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Browse our complete collection of developer utilities. All tools run client-side for maximum speed and privacy.
Format, validate, and minify JSON data
Test and debug regular expressions live
Preview Markdown in real-time
Format and beautify SQL queries
Encode and decode Base64 strings
Decode and inspect JWT tokens
Encode and decode URL components
Encode/decode HTML entities
Generate v4 and v7 UUIDs instantly
Generate MD5, SHA-256, SHA-512 hashes
Generate placeholder text
Convert Unix timestamps to dates
Convert colors between HEX, RGB, HSL
Convert JSON to YAML and back
Minify CSS, JavaScript, and HTML