Format, validate and encode data for development work.
Format, minify and validate JSON with clear error location for invalid input.
Developer Tools
Check whether JSON is valid and get the exact error location if it isn't.
Minify JSON by removing whitespace to reduce payload size.
Encode text to Base64 instantly, entirely in your browser.
Decode Base64 strings back to readable text instantly.
Generate RFC 4122 v4 UUIDs, one at a time or in bulk.
Test regular expressions against sample text with live match highlighting.
