Tools
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Tools
Free tools that run right in your browser
108
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Popular
Text
Code & Dev
Convert & Units
Calculators
Image & Media
Color & Design
Generators & Security
Docs & SEO
Popular tools
Character & word counter
Count characters, words and lines in real time (with/without spaces).
JSON formatter
Pretty-print or minify JSON.
Currency converter
Convert currencies using live exchange rates.
QR code generator
Turn text or a URL into a QR code image.
Loan & repayment calculator
Monthly payment and total interest for equal-payment/principal loans.
Password generator
Build strong passwords by length and character type.
Image resize & compress
Resize and compress images right in your browser.
BMI calculator
Get your body mass index and category from height and weight.
Markdown preview
Render Markdown to HTML live as you type.
D-day & date calculator
Count days between dates and track a D-day.
VAT calculator
Add VAT to a net amount or back it out from a total.
Text
14
Character & word counter
Count characters, words and lines in real time (with/without spaces).
Letter case converter
Convert text to UPPER, lower, Title or sentence case.
HTML tag remover
Strip HTML tags to get clean plain text.
Text compare (diff)
Compare two texts line by line and highlight additions/removals.
Line cleaner
Remove blank/duplicate lines, trim spaces and sort in one click.
Slug generator
Turn a title into a URL-friendly slug.
Lorem Ipsum generator
Generate dummy text by words, sentences or paragraphs.
Email & URL extractor
Pull only emails or URLs out of any text.
Find & replace
Find and replace text in bulk, with regex support.
Text transform
Reverse, repeat, shuffle lines and check palindromes.
Special characters
Copy common symbols and special characters with one click.
Reading & typing time
Estimate reading, speaking and typing time from length.
Word frequency
Analyze how often words and characters appear in your text.
Fancy text generator
Create flipped, bubble, glitch and other styled text.
Code & Dev
26
JSON formatter
Pretty-print or minify JSON.
Base64 encoder/decoder
Encode/decode Base64 and turn images into data URIs.
URL encode/decode
Percent-encode and decode URLs both ways.
Markdown preview
Render Markdown to HTML live as you type.
Regex tester
Test regex patterns with live match highlighting and groups.
Timestamp converter
Convert Unix timestamps (s/ms) and dates both ways.
Hash generator
Generate MD5, SHA-1, SHA-256 and SHA-512 in your browser.
JWT decoder
Decode a JWT header/payload and check its expiry.
Cron expression parser
Explain a cron expression and show the next run times.
CSV ↔ JSON
Convert CSV and JSON, handling quoted and multiline fields.
Escape converter
Escape and unescape HTML, JS and JSON strings.
Unicode & emoji tool
Convert characters to/from Unicode code points (U+).
YAML ↔ JSON
Convert between YAML and JSON.
HTML ↔ Markdown
Convert between HTML and Markdown.
SQL formatter
Pretty-print SQL by dialect.
Code beautifier
Indent and tidy JavaScript, CSS and HTML.
Code minifier
Minify JS, CSS and HTML to reduce size.
JS obfuscator
Lightly obfuscate JavaScript to make it harder to read.
ROT13 converter
Encode/decode text with ROT13.
Punycode converter
Convert internationalized domains to/from Punycode (xn--).
Text ↔ binary
Convert text to 8-bit binary and back.
JSON ↔ XML
Convert between JSON and XML.
Email validator
Check the format of many emails at once.
URL parser
Break a URL into its parts and query parameters.
Browser / UA info
Show your browser, OS and User-Agent details.
HTML live editor
Type HTML and preview it instantly.
Convert & Units
7
Base (radix) converter
Convert binary, octal, decimal, hex and custom bases for big numbers.
Unit converter
Convert length, weight and temperature units.
World clock & time zones
See current times in major cities and convert time zones.
Currency converter
Convert currencies using live exchange rates.
Data size converter
Convert between B, KB, MB, GB, TB and bits.
Time unit converter
Convert seconds, minutes, hours, days, weeks, months and years.
Speed unit converter
Convert m/s, km/h, mph, knots, Mach and more.
Calculators
14
D-day & date calculator
Count days between dates and track a D-day.
Age calculator
Find your age and days lived from your birth date.
Percentage calculator
Work out ratios, change rates and part-of-whole percentages.
BMI calculator
Get your body mass index and category from height and weight.
Discount & sale price
Find the sale price from a discount, or the discount from prices.
VAT calculator
Add VAT to a net amount or back it out from a total.
Loan & repayment calculator
Monthly payment and total interest for equal-payment/principal loans.
BMR & calorie calculator
Calculate BMR, TDEE and goal-based calorie targets.
Car loan calculator
Monthly installment and total interest from price, down payment and rate.
Compound interest & future value
Compound returns on monthly deposits, with inflation-adjusted value.
GPA calculator
Compute GPA from course grades and credits (4.5/4.3 scales).
Statistics calculator
Mean, median, standard deviation and other basic stats.
Scientific calculator
Trig, log, square root and other scientific operations.
Perpetual calendar
View any month and find today's date.
Image & Media
14
Image resize & compress
Resize and compress images right in your browser.
Image converter (WebP/Base64)
Convert images to WebP/JPEG/PNG and extract data URIs.
Favicon generator
Convert an image into 16–512px favicon PNGs.
Image rotate & crop
Rotate, flip and crop images to a ratio, then download.
Image watermark
Add a text watermark to an image and download it.
Image merge
Stitch multiple images horizontally or vertically.
Image → ASCII art
Turn an image into ASCII (text) art.
PDF merge
Merge several PDFs into one (in your browser).
Images → PDF
Combine several images into a PDF document.
PDF split
Extract selected pages from a PDF into a new file.
Color blindness simulator
Simulate color-vision deficiencies to check accessibility.
Image color extractor
Pull a representative color palette from an image.
Grayscale converter
Convert color images to black and white.
YouTube thumbnail downloader
Download the thumbnail image of a YouTube video.
Color & Design
9
Color converter
Convert HEX, RGB and HSL and pick with a color picker.
Color contrast (WCAG)
Check contrast ratio and WCAG AA/AAA pass for two colors.
Palette & gradient
Create random harmonious palettes and CSS gradient code.
CSS box-shadow generator
Tune box-shadow visually and copy the CSS.
Gradient text
Generate CSS for gradient text effects.
CSS clip-path generator
Pick a shape clip-path and get the CSS.
cubic-bezier generator
Drag the easing curve and get the CSS.
CSS grid generator
Preview a grid layout and copy the CSS.
CSS flexbox generator
Adjust flex alignment options and copy the CSS.
Generators & Security
19
Password generator
Build strong passwords by length and character type.
QR code generator
Turn text or a URL into a QR code image.
Random picker
Pick winners at random from a list.
Lotto number generator
Pick 6 random numbers from 1–45.
UUID generator
Generate RFC4122 v4 UUIDs in any count or format.
Random number generator
Draw random numbers by range, count and uniqueness.
Stopwatch & timer
A lap stopwatch and a countdown timer with an alarm.
Barcode generator
Generate CODE128, EAN, UPC and more, then download.
QR business card (vCard)
Make a contact QR card that saves on scan.
Team maker
Randomly split a list into teams by count or size.
Dice & coin flip
Roll dice and flip coins at random with totals.
Roulette wheel
Add items and spin to pick one at random.
Email signature generator
Build an email signature and copy it with formatting.
Memo & to-do
A simple to-do list saved in your browser.
Ladder game
Build a ladder from players and outcomes for random matching.
QR scanner
Read a QR code from your camera or an image.
Password strength checker
Analyze password strength and estimated crack time.
Bcrypt hash generator
Create and verify Bcrypt hashes.
Credit card validator
Check card number format (Luhn) and issuer.
Docs & SEO
5
Meta & OG tag generator
Generate title, description, OG and Twitter card meta tags.
robots.txt generator
Create a robots.txt to control search crawlers.
.htaccess redirects
Generate Apache redirect, HTTPS and www rules.
Privacy policy generator
Draft a privacy policy for your website.
Terms of service generator
Draft terms of service for your website.
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