Developer Tools
21 free tools available — all processing happens in your browser
JSON Formatter
Format, validate, and minify JSON instantly. Free, private — nothing leaves your …
Base64 Encoder/Decoder
Encode and decode Base64 strings instantly. Free, private — nothing leaves your …
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats. Free, private — …
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly. Free, private — …
URL Encoder/Decoder
Encode and decode URLs instantly. Free, private — nothing leaves your browser.
HTML Entity Encoder/Decoder
Encode and decode HTML entities instantly. Free, private — nothing leaves your …
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly. Free, private — nothing …
UUID Generator
Generate UUID v4 identifiers instantly. Bulk generate, copy all, customize …
Regex Tester
Test regular expressions with live matching, highlighting, and capture groups. …
JWT Decoder
Decode JWT tokens to view header, payload, and expiration status. Free, private …
Slug Generator
Generate URL-friendly slugs from text instantly. Free, private — nothing leaves …
HTML Minifier
Minify HTML by removing comments, extra whitespace, and newlines. Free, private …
CSS Minifier
Minify CSS by removing comments, extra whitespace, and newlines. Free, private — …
JavaScript Minifier
Minify JavaScript by removing comments and extra whitespace. Free, private — …
XML Formatter
Format, beautify, and validate XML instantly. Free, private — nothing leaves …
SQL Formatter
Format and beautify SQL queries with proper indentation. Free, private — nothing …
Diff Checker
Compare two texts line-by-line with highlighted differences. Free, private — …
Cron Expression Parser
Parse cron expressions to human-readable descriptions with next run times. Free, …
Epoch Timestamp Converter
Convert between Unix timestamps and human-readable dates. Free, private — …
CSS Gradient Generator
Create beautiful CSS gradients with live preview and copy-ready code. Free, …
Box Shadow Generator
Create CSS box-shadow with live preview. Multiple shadows, adjustable offsets, …