Every tool runs in your browser. Nothing uploaded, nothing stored, nothing sold.
Generate secure passwords and passphrases with customizable rules
Generate placeholder text for designs and mockups
Create QR codes for URLs, text, WiFi networks, and more
Flip a coin or roll dice with satisfying animations
Pick colors and convert between HEX, RGB, and HSL formats
Count words, characters, sentences, and estimate reading time
Convert text between uppercase, lowercase, title case, and more
Encode text to Base64 or decode Base64 back to text
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text
Generate RFC 4122 version 4 UUIDs
Format, validate, and minify JSON data
Write Markdown and see a live preview
Test regular expressions with live matching and explanations
Encode or decode URL components
Convert between Unix timestamps and human-readable dates
Compare two texts and see the differences highlighted
Compress images without losing visible quality
Resize images to exact dimensions or percentages
Convert images between PNG, JPEG, WebP, and more
Combine multiple PDF files into one
Extract pages from a PDF into separate files
Calculate percentages, increases, decreases, and ratios
Convert between units of length, weight, temperature, and more
Convert numbers between decimal, binary, hex, and octal
Browse and copy Unicode characters, symbols, and emoji
Design CSS gradients with a visual editor
Design CSS box shadows with visual controls
Precise stopwatch with lap times
Generate random numbers within a range
Convert text to spoken audio using browser speech synthesis
Convert CSV data to JSON format