Formatters, encoders, converters for devs. All tools work directly in your browser — no uploads or accounts required.
Format, validate and minify JSON with error highlighting.
Minify JSON by removing whitespace, safe for APIs.
Generate v4 UUIDs (RFC 4122) instantly.
Decode JSON Web Tokens - header, payload and signature.
Test regular expressions with live matches and groups.
Convert Unix timestamps to human date and vice-versa.
Pretty-print HTML with proper indentation.
Format CSS for readability.
Build & explain Unix cron expressions.
Beautify SQL for MySQL, PostgreSQL, BigQuery, T-SQL & more.
