All tools
Every CapyHelp tool, grouped by what it helps you do.
Text Tools
Count, clean and convert text
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64
Word Counter
Count words, characters, sentences and paragraphs instantly as you type.
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65
Case Converter
Switch text between UPPERCASE, lowercase, Title Case and Sentence case.
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66
Remove Duplicates & Sort Lines
Remove duplicate and empty lines, trim spaces and sort any list.
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67
Find and Replace
Find and replace words or patterns in any text, with whole-word and regex options.
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68
Remove Line Breaks
Join broken lines from PDFs and emails while keeping paragraphs intact.
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69
URL Slug Generator
Turn titles into clean, SEO-friendly URL slugs, one or many at a time.
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70
Lorem Ipsum Generator
Placeholder text by paragraphs, sentences or words for mockups and layouts.
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71
Base64 Encode & Decode
Encode text to Base64 or decode it back, with full Unicode support.
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72
URL Encode & Decode
Percent-encode text for URLs and query strings, or decode it back.
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73
Sort Lines Alphabetically
Sort a list A–Z, Z–A, by number or by length.
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74
Remove Duplicate Lines
Delete repeated lines from a list and keep the first of each.
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75
Add Line Numbers
Number every line of text, with your choice of format.
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76
Add Prefix & Suffix to Lines
Add text to the start or end of every line at once.
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77
Reverse Text
Write text backwards, or reverse the order of words or lines.
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78
Text Repeater
Repeat a word or phrase as many times as you like.
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79
Word Frequency Counter
See which words you use most, with counts and percentages.
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80
Email Extractor
Pull every email address out of a block of text.
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81
URL Extractor
Pull every link out of a block of text.
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82
Remove HTML Tags
Strip HTML tags and get clean plain text.
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83
HTML Entity Encoder & Decoder
Escape special characters for HTML, or decode entities.
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84
Morse Code Translator
Translate text to Morse code and back.
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85
Caesar Cipher & ROT13
Encode or decode a Caesar shift cipher, including ROT13.
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86
NATO Phonetic Alphabet Converter
Spell out codes and names as Alfa, Bravo, Charlie…
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88
CSV to JSON Converter
Turn CSV or spreadsheet data into JSON.
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89
JSON to CSV Converter
Turn a JSON array into CSV for spreadsheets.
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90
Hash Generator (SHA-256, SHA-1, MD5)
SHA-256, SHA-1 and MD5 hashes of any text.
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91
JWT Decoder
Read the header and payload of a JSON Web Token.
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92
Binary Translator
Text to binary, hex, decimal or octal bytes — and back.
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98
Character Counter
Count characters, bytes and SMS parts, with limits for X, Instagram and more.
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99
Text Diff Checker
Compare two texts and highlight every added, removed and changed line.
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100
Markdown Previewer
Write Markdown and see the formatted result live, then copy the HTML.
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101
Remove Extra Spaces
Collapse double spaces, trim lines and remove extra blank lines.
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102
Random Text Generator
Generate random words, sentences, paragraphs or character strings.
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103
RTF to TXT Converter
Extract plain text from an RTF (rich text) file.
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168
PDF to Text Converter
Extract all the text from a PDF to copy or save as .txt.
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183
Audio to Text
Transcribe recordings to text with an AI model that runs on your device.
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184
Speech to Text
Speak into your microphone and get the text, transcribed on your device.
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195
Image to Text (OCR)
Extract text from photos and scans with OCR that runs on your device.
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196
Screenshot to Text
Paste a screenshot and copy the text in it. OCR runs on your device.
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202
Fancy Text Generator
Bold, italic, script and other copy-and-paste text styles.
Calculators
Quick, accurate math
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01
Percentage Calculator
Find a percentage of a number, percentage change, and more — with the formula shown.
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02
Mortgage Calculator
Estimate your monthly home payment, total interest and a year-by-year balance.
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03
Loan Calculator
Monthly payment, total interest and payoff schedule for any fixed-rate loan.
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04
Compound Interest Calculator
See how savings grow with regular deposits and compounding over time.
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05
Savings Goal Calculator
See how long a savings goal will take, or how much to put away each month.
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06
Salary & Hourly Wage Calculator
Convert pay between hourly, daily, weekly, monthly and yearly amounts.
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07
Tip Calculator
Work out the tip and split the bill evenly, with an option to round up.
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08
Discount Calculator
Find the sale price and how much you save, including stacked discounts and tax.
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09
Sales Tax & VAT Calculator
Add tax to a price, or take it out of a tax-inclusive price. Works for VAT and GST.
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10
Profit Margin & Markup Calculator
Get profit, margin and markup from a cost and price — or set a price from a target margin.
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11
Fuel Cost Calculator
Work out what a drive will cost in fuel, in miles or kilometres.
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12
BMI Calculator
Body mass index in metric or US units, with the healthy weight range for your height.
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13
Age Calculator
Exact age in years, months and days, plus total days and the countdown to your next birthday.
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14
Date Calculator
Count the days between two dates, or add and subtract days, weekdays, months or years.
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15
Hours Calculator (Time Card)
Add up the hours you worked each day, minus breaks, with optional pay.
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16
Unit Converter
Convert length, weight, temperature, volume, area, speed, time and data sizes.
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17
Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers, simplified.
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18
Average Calculator
Mean, median, mode, range and standard deviation for any list of numbers.
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19
Grade Calculator
Turn a test score into a percentage and letter grade.
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20
Aspect Ratio Calculator
Find the aspect ratio of any size and resize without stretching.
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21
Roman Numeral Converter
Convert numbers to Roman numerals and back, from 1 to 3,999.
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22
Binary, Hex & Decimal Converter
Convert numbers between decimal, binary, hexadecimal and octal — any size.
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23
Simple Interest Calculator
Interest on a principal at a flat rate, over years, months or days.
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24
Credit Card Payoff Calculator
How long a card balance takes to clear, and the interest it costs.
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25
Inflation Calculator
What today’s money will cost, or be worth, years from now.
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26
ROI Calculator
Return on investment as a percentage, with an optional yearly rate.
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27
Break-Even Calculator
How many sales it takes to cover your costs.
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28
Overtime Pay Calculator
Regular and overtime pay at time and a half, double time or 1.25×.
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29
Unit Price Calculator
Compare two pack sizes and see which is the better deal.
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30
Electricity Cost Calculator
What an appliance costs to run per day, month and year.
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31
Area Calculator
Area of rectangles, triangles, circles and more, in m² and ft².
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32
Volume Calculator
Volume of boxes, cylinders, spheres and cones, in litres too.
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33
Calorie Calculator
Estimate daily calories (TDEE) and BMR from age, size and activity.
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34
Sleep Calculator
Bedtimes or wake-up times that line up with 90-minute sleep cycles.
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35
Running Pace Calculator
Pace per km and mile from distance and time, plus race predictions.
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36
Time Calculator
Add or subtract hours, minutes and seconds.
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37
GPA Calculator
Grade point average from letter grades and credits, on a 4.0 scale.
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38
CAGR Calculator
The steady yearly growth rate between a start and end value.
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39
APR to APY Calculator
Turn a nominal APR into the effective yearly rate (APY).
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40
Debt-to-Income Ratio Calculator
Your DTI ratio, the number lenders check before a loan.
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41
Net Worth Calculator
Add up what you own and owe to get your net worth.
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42
Pay Raise Calculator
Your new pay after a raise, as a percentage or an amount.
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43
Commission Calculator
Commission on a sale, with optional base pay.
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44
Exponent Calculator
Raise any number to any power, with roots and E notation.
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45
Ratio Calculator
Solve A : B = C : D for the missing value, and simplify ratios.
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46
Percent Error Calculator
How far a measured value is from the accepted one.
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47
Weighted Average Calculator
An average where some values count more than others.
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48
Rounding Calculator
Round to decimal places or the nearest 10, 100 or 1,000.
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49
Scientific Notation Converter
Convert numbers to and from scientific and E notation.
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50
LCM & GCF Calculator
Greatest common factor and least common multiple of any list.
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51
Prime Factorization Calculator
Break a number into primes, and check whether it is prime.
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52
Quadratic Equation Solver
Solve ax² + bx + c = 0, including complex roots.
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53
Pythagorean Theorem Calculator
Find the missing side of a right triangle.
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54
Circle Calculator
Area, circumference, radius and diameter from any one of them.
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55
Ohm’s Law Calculator
Volts, amps, ohms and watts from any two of them.
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56
Speed, Distance & Time Calculator
Solve for speed, distance or travel time.
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57
Download Time Calculator
How long a file takes to download at your connection speed.
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58
Gas Mileage Calculator
Your car’s real mpg or L/100 km from a fill-up.
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59
Paint Calculator
How much paint a room needs, in litres or gallons.
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60
Tile Calculator
How many tiles and boxes to buy for a floor or wall.
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61
Concrete Calculator
Concrete for a slab in cubic yards or metres, plus bag counts.
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62
Week Number Calculator
The ISO week number and day of the year for any date.
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63
Currency Converter
Convert between 30 currencies with the European Central Bank’s daily rates.
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125
Time Zone Converter
Convert a time between time zones, with daylight saving handled for you.
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129
File Size Converter
Convert between bytes, KB, MB, GB and TB, and binary KiB, MiB, GiB.
Image Tools
Resize, convert and edit images
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141
Image Compressor
Shrink JPG, PNG and WebP images in your browser, in batches, with a quality slider.
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142
Image Resizer
Resize images to exact pixels or a percentage, keeping proportions, in batches.
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143
Image Format Converter
Convert images between PNG, JPG, WebP, ICO and BMP right in your browser.
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144
Image Cropper
Crop images by dragging a box, with presets for square, 16:9 and social posts.
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145
Image Rotator
Rotate, flip and straighten images, then download them.
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146
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG or PNG without uploading them.
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147
JPG to PNG Converter
Convert JPG photos to lossless PNG files, many at a time.
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148
WebP to JPG Converter
Convert WebP images to JPG so they open everywhere.
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149
SVG to PNG Converter
Render SVG files as sharp PNG, JPG or WebP images at any size.
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150
PNG to SVG Converter
Trace a PNG or JPG into a scalable SVG vector, ideal for logos and icons.
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151
PNG to ICO Converter
Turn a PNG into a multi-size .ico file for websites and Windows.
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152
Favicon Generator
Make a complete favicon set from an image or letters, with the HTML to paste.
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153
Color Picker from Image
Click anywhere on an image to get its HEX, RGB and HSL colour, plus its main colours.
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154
Image Metadata Viewer
See hidden EXIF data such as camera, date and GPS location, and save a clean copy.
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163
JPG to PDF Converter
Turn photos and images into a PDF, one per page, in any order.
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164
PDF to JPG Converter
Save PDF pages as JPG images at the resolution you choose.
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165
PDF to PNG Converter
Convert PDF pages to crisp, lossless PNG images.
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188
Video to GIF Converter
Turn a few seconds of video into a looping GIF.
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189
GIF to MP4 Converter
Convert animated GIFs to MP4 videos that are often 90% smaller.
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192
Video to Frames
Save stills from a video: the current frame, one every few seconds, or a set number.
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195
Image to Text (OCR)
Extract text from photos and scans with OCR that runs on your device.
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196
Screenshot to Text
Paste a screenshot and copy the text in it. OCR runs on your device.
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197
Background Remover
Remove the background from photos of people, pets and products, on your device.
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198
AI Image Upscaler
Enlarge photos 2× or 4× with an AI model that adds real detail, on your device.
PDF Tools
Merge, split and convert PDFs
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160
PDF Compressor
Make PDFs smaller for email and upload limits, without uploading them anywhere.
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161
Merge PDF
Combine several PDFs, and images, into one PDF in the order you choose.
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162
Split PDF
Split a PDF by page ranges, every few pages, or into single pages.
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163
JPG to PDF Converter
Turn photos and images into a PDF, one per page, in any order.
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164
PDF to JPG Converter
Save PDF pages as JPG images at the resolution you choose.
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165
PDF to PNG Converter
Convert PDF pages to crisp, lossless PNG images.
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166
PDF to Word Converter
Get a PDF’s text into an editable Word (.docx) document.
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167
Word to PDF Converter
Convert .docx documents to PDF in your browser, with headings, lists and tables.
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168
PDF to Text Converter
Extract all the text from a PDF to copy or save as .txt.
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169
PDF Page Rotator
Rotate single pages or the whole PDF and save it permanently.
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170
PDF Page Deleter
Remove unwanted pages from a PDF and save the rest.
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171
PDF Page Organizer
Reorder, rotate and remove PDF pages by dragging thumbnails.
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172
PDF Password Protector
Add a password to a PDF with AES-256 encryption, right in your browser.
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173
PDF Unlocker
Remove the password from your own PDFs when you know it, or lift printing and copying restrictions.
Audio Tools
Record, trim and convert audio
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174
Audio Format Converter
Convert audio between MP3, WAV, M4A, OGG, Opus and FLAC, in batches.
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175
MP3 to WAV Converter
Convert MP3 files to uncompressed WAV for editing or CDs.
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176
WAV to MP3 Converter
Shrink WAV recordings into MP3 at the quality you choose.
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177
Audio Trimmer
Cut a section out of any audio file, with optional fades, and save it as MP3 or WAV.
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178
Audio Merger
Join several audio files into one, in any order, with optional pauses and fades.
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179
Audio Speed Changer
Speed up or slow down audio, with or without changing the pitch.
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180
Silence Remover
Automatically cut long pauses and dead air from recordings.
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181
Online Voice Recorder
Record your voice from the microphone and save it as MP3 or WAV.
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182
Text to Speech
Have any text read aloud with your device’s voices, at the speed you like.
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183
Audio to Text
Transcribe recordings to text with an AI model that runs on your device.
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184
Speech to Text
Speak into your microphone and get the text, transcribed on your device.
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185
Subtitle Generator
Create SRT or WebVTT subtitles for a video automatically, on your device.
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186
Video to MP3 Converter
Extract the soundtrack of a video as an MP3.
Video Tools
Trim, compress and convert video
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185
Subtitle Generator
Create SRT or WebVTT subtitles for a video automatically, on your device.
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186
Video to MP3 Converter
Extract the soundtrack of a video as an MP3.
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187
Video Compressor
Make videos much smaller for email, chat apps and uploads.
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188
Video to GIF Converter
Turn a few seconds of video into a looping GIF.
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189
GIF to MP4 Converter
Convert animated GIFs to MP4 videos that are often 90% smaller.
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190
Video Trimmer
Cut a clip from a video, instantly and without quality loss.
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191
Video Resizer
Change a video’s resolution or reshape it for Reels, Stories and square posts.
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192
Video to Frames
Save stills from a video: the current frame, one every few seconds, or a set number.
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193
Subtitle Extractor
Save the subtitle tracks embedded in MKV and MP4 files as SRT, VTT or ASS.
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194
Video Metadata Viewer
See a video’s codec, resolution, frame rate, bitrate, tracks and tags.
Developer Tools
Format, encode and debug
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22
Binary, Hex & Decimal Converter
Convert numbers between decimal, binary, hexadecimal and octal — any size.
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69
URL Slug Generator
Turn titles into clean, SEO-friendly URL slugs, one or many at a time.
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71
Base64 Encode & Decode
Encode text to Base64 or decode it back, with full Unicode support.
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72
URL Encode & Decode
Percent-encode text for URLs and query strings, or decode it back.
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83
HTML Entity Encoder & Decoder
Escape special characters for HTML, or decode entities.
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87
JSON Formatter & Validator
Pretty-print, minify and validate JSON, with the exact line of any error.
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88
CSV to JSON Converter
Turn CSV or spreadsheet data into JSON.
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89
JSON to CSV Converter
Turn a JSON array into CSV for spreadsheets.
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90
Hash Generator (SHA-256, SHA-1, MD5)
SHA-256, SHA-1 and MD5 hashes of any text.
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91
JWT Decoder
Read the header and payload of a JSON Web Token.
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92
Binary Translator
Text to binary, hex, decimal or octal bytes — and back.
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94
Unix Timestamp Converter
Convert Unix timestamps to readable dates and dates back to timestamps.
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95
UUID Generator
Generate random version 4 UUIDs (GUIDs), one or a thousand at a time.
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99
Text Diff Checker
Compare two texts and highlight every added, removed and changed line.
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100
Markdown Previewer
Write Markdown and see the formatted result live, then copy the HTML.
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104
JSON Validator
Check JSON and get the exact line, column and reason for any error.
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105
JSON Minifier
Strip all whitespace from JSON to make it as small as possible.
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106
HTML Formatter
Indent messy or minified HTML so it’s easy to read.
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107
HTML Minifier
Remove comments and extra whitespace from HTML.
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108
CSS Formatter
Turn minified CSS into neatly indented, readable rules.
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109
CSS Minifier
Compress CSS by removing comments and whitespace.
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110
JavaScript Minifier
Minify JavaScript with Terser: shorter names, no comments, smaller files.
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111
Regex Tester
Test regular expressions live with highlighted matches and groups.
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112
SQL Formatter
Format SQL queries with clauses on their own lines and uppercase keywords.
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113
XML Formatter
Validate, pretty-print or minify XML.
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114
XML to JSON Converter
Convert XML to JSON, with attributes, repeated elements and numbers handled.
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115
YAML to JSON Converter
Convert YAML to JSON, or JSON to YAML, with clear error messages.
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116
HTTP Status Code Lookup
Look up what any HTTP status code means, from 100 to 511.
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118
Random Token Generator
Generate secure random tokens and secrets in hex, Base64 or UUID format.
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119
SHA-256 Hash Generator
Create SHA-256 and HMAC-SHA256 hashes of any text.
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121
Robots.txt Generator
Create a robots.txt file to guide search engines and AI crawlers.
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122
Sitemap.xml Generator
Turn a list of page URLs into a valid XML sitemap.
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129
File Size Converter
Convert between bytes, KB, MB, GB and TB, and binary KiB, MiB, GiB.
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136
Meta Tag Generator
Generate SEO and social meta tags for your page’s <head>.
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139
Responsive Screen Size Tester
View a web page at phone, tablet and desktop sizes side by side.
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140
QR Code Generator
Make QR codes for links, Wi-Fi, email, phone and text. PNG or SVG, free forever.
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157
CSV to Excel Converter
Turn CSV data into a real .xlsx spreadsheet with a bold, frozen header row.
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158
Excel to CSV Converter
Convert any sheet of an .xlsx workbook to a CSV file.
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159
JSON to Excel Converter
Turn a JSON array into an Excel spreadsheet, flattening nested fields.
Security Tools
Passwords, hashes and encryption
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90
Hash Generator (SHA-256, SHA-1, MD5)
SHA-256, SHA-1 and MD5 hashes of any text.
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91
JWT Decoder
Read the header and payload of a JSON Web Token.
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95
UUID Generator
Generate random version 4 UUIDs (GUIDs), one or a thousand at a time.
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96
Password Generator
Create strong random passwords locally in your browser. Nothing is sent or stored.
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117
Password Strength Checker
See how strong a password really is, checked privately on your device.
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118
Random Token Generator
Generate secure random tokens and secrets in hex, Base64 or UUID format.
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119
SHA-256 Hash Generator
Create SHA-256 and HMAC-SHA256 hashes of any text.
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120
Text Encryption & Decryption
Encrypt a message with a passphrase using AES-256, and decrypt it later.
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121
Robots.txt Generator
Create a robots.txt file to guide search engines and AI crawlers.
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122
Sitemap.xml Generator
Turn a list of page URLs into a valid XML sitemap.
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123
Privacy Policy Generator
Draft a plain-English privacy policy template for your website.
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124
Terms and Conditions Generator
Draft a simple terms and conditions template for a website.
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154
Image Metadata Viewer
See hidden EXIF data such as camera, date and GPS location, and save a clean copy.
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172
PDF Password Protector
Add a password to a PDF with AES-256 encryption, right in your browser.
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173
PDF Unlocker
Remove the password from your own PDFs when you know it, or lift printing and copying restrictions.
Design & Web
CSS generators and previews
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20
Aspect Ratio Calculator
Find the aspect ratio of any size and resize without stretching.
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93
Color Converter & Contrast Checker
Convert HEX, RGB and HSL colours and check text contrast against WCAG.
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108
CSS Formatter
Turn minified CSS into neatly indented, readable rules.
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109
CSS Minifier
Compress CSS by removing comments and whitespace.
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121
Robots.txt Generator
Create a robots.txt file to guide search engines and AI crawlers.
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122
Sitemap.xml Generator
Turn a list of page URLs into a valid XML sitemap.
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130
CSS Gradient Generator
Design linear, radial and conic gradients and copy the CSS.
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131
Box Shadow Generator
Build soft, layered CSS box shadows visually.
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132
Border Radius Generator
Round corners visually, all at once or one by one.
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133
CSS Button Generator
Design a button and copy the CSS, including hover and focus styles.
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134
Color Palette Generator
Generate harmonious colour palettes from one base colour.
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135
Font Pairing Previewer
Preview heading and body font combinations and copy the CSS.
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136
Meta Tag Generator
Generate SEO and social meta tags for your page’s <head>.
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137
Open Graph Previewer
Preview how a link card will look when shared, and get the OG tags.
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138
Favicon Previewer
See your favicon in browser tabs, bookmarks and on a home screen.
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139
Responsive Screen Size Tester
View a web page at phone, tablet and desktop sizes side by side.
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140
QR Code Generator
Make QR codes for links, Wi-Fi, email, phone and text. PNG or SVG, free forever.
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149
SVG to PNG Converter
Render SVG files as sharp PNG, JPG or WebP images at any size.
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150
PNG to SVG Converter
Trace a PNG or JPG into a scalable SVG vector, ideal for logos and icons.
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151
PNG to ICO Converter
Turn a PNG into a multi-size .ico file for websites and Windows.
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152
Favicon Generator
Make a complete favicon set from an image or letters, with the HTML to paste.
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153
Color Picker from Image
Click anywhere on an image to get its HEX, RGB and HSL colour, plus its main colours.
File Converters
ZIP, spreadsheets and documents
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103
RTF to TXT Converter
Extract plain text from an RTF (rich text) file.
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114
XML to JSON Converter
Convert XML to JSON, with attributes, repeated elements and numbers handled.
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115
YAML to JSON Converter
Convert YAML to JSON, or JSON to YAML, with clear error messages.
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143
Image Format Converter
Convert images between PNG, JPG, WebP, ICO and BMP right in your browser.
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146
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG or PNG without uploading them.
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147
JPG to PNG Converter
Convert JPG photos to lossless PNG files, many at a time.
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148
WebP to JPG Converter
Convert WebP images to JPG so they open everywhere.
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155
ZIP File Creator
Bundle files or a whole folder into a ZIP archive without uploading anything.
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156
ZIP File Extractor
Open a ZIP file, see what’s inside and download individual files.
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157
CSV to Excel Converter
Turn CSV data into a real .xlsx spreadsheet with a bold, frozen header row.
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158
Excel to CSV Converter
Convert any sheet of an .xlsx workbook to a CSV file.
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159
JSON to Excel Converter
Turn a JSON array into an Excel spreadsheet, flattening nested fields.
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166
PDF to Word Converter
Get a PDF’s text into an editable Word (.docx) document.
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167
Word to PDF Converter
Convert .docx documents to PDF in your browser, with headings, lists and tables.
-
174
Audio Format Converter
Convert audio between MP3, WAV, M4A, OGG, Opus and FLAC, in batches.
-
175
MP3 to WAV Converter
Convert MP3 files to uncompressed WAV for editing or CDs.
-
176
WAV to MP3 Converter
Shrink WAV recordings into MP3 at the quality you choose.
-
193
Subtitle Extractor
Save the subtitle tracks embedded in MKV and MP4 files as SRT, VTT or ASS.
-
194
Video Metadata Viewer
See a video’s codec, resolution, frame rate, bitrate, tracks and tags.
Social Media Tools
Usernames, bios and hashtags
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98
Character Counter
Count characters, bytes and SMS parts, with limits for X, Instagram and more.
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137
Open Graph Previewer
Preview how a link card will look when shared, and get the OG tags.
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199
Username Generator
Turn a few keywords into creative, available-looking usernames for any platform.
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200
Bio Generator
Write a social media bio in your style that fits the platform’s character limit.
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201
Hashtag Generator
Get relevant hashtag ideas for your topic, grouped from specific to broad.
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202
Fancy Text Generator
Bold, italic, script and other copy-and-paste text styles.
Productivity
Everyday helpers that save time
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01
Percentage Calculator
Find a percentage of a number, percentage change, and more — with the formula shown.
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07
Tip Calculator
Work out the tip and split the bill evenly, with an option to round up.
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08
Discount Calculator
Find the sale price and how much you save, including stacked discounts and tax.
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13
Age Calculator
Exact age in years, months and days, plus total days and the countdown to your next birthday.
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14
Date Calculator
Count the days between two dates, or add and subtract days, weekdays, months or years.
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15
Hours Calculator (Time Card)
Add up the hours you worked each day, minus breaks, with optional pay.
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16
Unit Converter
Convert length, weight, temperature, volume, area, speed, time and data sizes.
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20
Aspect Ratio Calculator
Find the aspect ratio of any size and resize without stretching.
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21
Roman Numeral Converter
Convert numbers to Roman numerals and back, from 1 to 3,999.
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22
Binary, Hex & Decimal Converter
Convert numbers between decimal, binary, hexadecimal and octal — any size.
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36
Time Calculator
Add or subtract hours, minutes and seconds.
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62
Week Number Calculator
The ISO week number and day of the year for any date.
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63
Currency Converter
Convert between 30 currencies with the European Central Bank’s daily rates.
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64
Word Counter
Count words, characters, sentences and paragraphs instantly as you type.
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65
Case Converter
Switch text between UPPERCASE, lowercase, Title Case and Sentence case.
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66
Remove Duplicates & Sort Lines
Remove duplicate and empty lines, trim spaces and sort any list.
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69
URL Slug Generator
Turn titles into clean, SEO-friendly URL slugs, one or many at a time.
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71
Base64 Encode & Decode
Encode text to Base64 or decode it back, with full Unicode support.
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72
URL Encode & Decode
Percent-encode text for URLs and query strings, or decode it back.
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83
HTML Entity Encoder & Decoder
Escape special characters for HTML, or decode entities.
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87
JSON Formatter & Validator
Pretty-print, minify and validate JSON, with the exact line of any error.
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88
CSV to JSON Converter
Turn CSV or spreadsheet data into JSON.
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89
JSON to CSV Converter
Turn a JSON array into CSV for spreadsheets.
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90
Hash Generator (SHA-256, SHA-1, MD5)
SHA-256, SHA-1 and MD5 hashes of any text.
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91
JWT Decoder
Read the header and payload of a JSON Web Token.
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92
Binary Translator
Text to binary, hex, decimal or octal bytes — and back.
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93
Color Converter & Contrast Checker
Convert HEX, RGB and HSL colours and check text contrast against WCAG.
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94
Unix Timestamp Converter
Convert Unix timestamps to readable dates and dates back to timestamps.
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95
UUID Generator
Generate random version 4 UUIDs (GUIDs), one or a thousand at a time.
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96
Password Generator
Create strong random passwords locally in your browser. Nothing is sent or stored.
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97
Random Number Generator
Fair random numbers in any range — roll dice, flip coins or draw unique lottery picks.
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102
Random Text Generator
Generate random words, sentences, paragraphs or character strings.
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123
Privacy Policy Generator
Draft a plain-English privacy policy template for your website.
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124
Terms and Conditions Generator
Draft a simple terms and conditions template for a website.
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125
Time Zone Converter
Convert a time between time zones, with daylight saving handled for you.
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126
Online Stopwatch
A precise stopwatch with lap times and keyboard shortcuts.
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127
Countdown Timer
Count down a length of time or to a date, with a beep at the end.
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128
Typing Speed Test
Measure your typing speed in words per minute, and your accuracy.
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129
File Size Converter
Convert between bytes, KB, MB, GB and TB, and binary KiB, MiB, GiB.
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140
QR Code Generator
Make QR codes for links, Wi-Fi, email, phone and text. PNG or SVG, free forever.
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182
Text to Speech
Have any text read aloud with your device’s voices, at the speed you like.