Developer Tools
Format JSON, encode Base64, generate UUIDs, create hashes, encode URLs and format SQL.
JSON Formatter
Format, validate and prettify JSON with syntax highlighting. Copy or download the result.
JSON Validator
Validate JSON syntax and get detailed error messages for invalid JSON.
JSON Minifier
Minify JSON by removing whitespace and indentation to reduce file size.
Base64 Encoder / Decoder
Encode text or data to Base64 and decode Base64 strings back to readable text.
UUID Generator
Generate cryptographically random UUIDs (v4). Generate one or many at once.
Hash Generator
Generate MD5-like, SHA-256 and SHA-512 hashes from any text input.
URL Encoder / Decoder
Encode special characters in URLs or decode percent-encoded URL strings.
SQL Formatter
Format and beautify SQL queries for better readability. Supports common SQL syntax.
QR Code Generator
Generate customizable QR codes for URLs or text with instant PNG download.
Password Generator
Generate cryptographically random passwords and passphrases with custom security rules.
PX to REM Converter
Convert Pixel (px) values to REM, EM, and Percentage CSS units with custom base size.