Your Digital Swiss Army Knife
A collection of simple, free, and easy-to-use tools for developers and everyone.
All
Favorites
Text
Web
Converters
Generators
Security
CSS
Finance
Health
Word & Character Counter
Count words and characters in text.
Markdown Previewer
Preview Markdown text as HTML.
Remove Duplicate Lines
Remove duplicate lines from text.
Line Break Remover
Remove line breaks from text.
Case Converter
Convert text to different letter cases.
Text Sorter
Sort lines of text alphabetically or numerically.
Text Reverser
Reverse characters, words, or lines.
Diff Checker
Compare two pieces of text and show differences.
Find and Replace
Find and replace text within a larger body of text.
Letter Counter
Count the frequency of each letter in a text.
Word Density Counter
Find the frequency of words in a text.
ROT13 Cipher
Encode and decode text with the ROT13 cipher.
Regex Tester
Test regular expressions against strings.
HTML Table Generator
Generate HTML table code from rows and columns.
JSON Formatter
Format and validate JSON.
HTML Editor
Write and preview HTML code in real-time.
SQL Formatter
Format SQL queries with your favorite style.
URL Formatter
Format and analyze URL components.
URL Encoder/Decoder
Encode or decode URL components.
HTML Encoder/Decoder
Encode or decode HTML entities.
Slug Generator
Create search-engine friendly URL slugs.
User Agent Parser
Parse your browser's user agent string.
What's My IP
Display your public IP address.
Timezone Converter
Convert times between different timezones.
Keyboard Event Viewer
Inspect JavaScript keyboard event properties.
Bulk URL Opener
Open a list of URLs in new tabs at once.
MIME Type Lookup
Find the MIME type for a file extension.
HTTP Headers Viewer
View the HTTP response headers for a URL.
CSS Unit Converter
Convert between CSS units like px, em, rem.
CSS Minifier
Minify CSS code to reduce file size.
HTML Minifier
Minify HTML code to reduce file size.
Box Shadow Generator
Visually design and generate CSS box-shadows.
CSS Gradient Generator
Visually create and generate CSS gradients.
CSS clamp() Generator
Create responsive CSS clamp() functions.
CSS cubic-bezier() Generator
Create custom CSS animation easing curves.
Color Converter
Convert colors between formats.
Base64 Encoder/Decoder
Encode or decode Base64 strings.
Unix Timestamp Converter
Convert between Unix timestamps and dates.
Image to Base64
Convert an image file to a Base64 data URI.
Text to Hex Converter
Convert plain text or ASCII to hexadecimal.
Morse Code Translator
Translate text to and from Morse code.
Number Base Converter
Convert numbers between different bases.
Roman Numeral Converter
Convert numbers to and from Roman numerals.
Unit Converter
Convert between various units of measurement.
Lorem Ipsum Generator
Generate placeholder text.
UUID Generator
Generate universally unique identifiers.
QR Code Generator
Generate a QR code from text or a URL.
Date Calculator
Calculate the duration between two dates.
Credit Card Generator
Generate valid fake credit card numbers for testing.
Random Number Generator
Generate a random number within a range.
Stopwatch
A simple stopwatch to track time.
Color Picker
An interactive color picker to find the perfect shade.
Pomodoro Timer
A timer to help you focus using the Pomodoro Technique.
Dice Roller
Roll one or more virtual dice.
Color Palette Generator
Generate a color palette from a base color.
Aspect Ratio Calculator
Calculate aspect ratios for images and elements.
Password Generator
Generate secure random passwords.
Hash Generator
Generate hashes from text input.
JWT Decoder
Decode a JSON Web Token.
Bcrypt Generator
Hash and verify passwords with bcrypt.
HMAC Generator
Generate a keyed-hash message authentication code.
Loan Calculator
Estimate loan payments and interest.
Money Converter
Convert between different currencies.
BMI Calculator
Calculate your Body Mass Index.