Essential tools for encoding, formatting, hashing, testing, and debugging code.
Format, beautify, inspect tree structures, and compact JSON strings with instant syntax highlighting.
Validate JSON structure and syntax with line-by-line error positioning and detailed diagnostics.
Encode plain text into Base64 format and decode Base64 strings back to readable plain text.
Encode special characters for URL parameters (percent-encoding) and decode encoded URLs.
Convert HTML characters to named or numeric entities and decode HTML entities safely.
Test regular expressions against target strings with real-time match highlighting and capture group breakdowns.
Generate cryptographic hashes including MD5, SHA-1, SHA-256, SHA-384, SHA-512, and CRC32.
Generate single or bulk Version 4 (Random) and Version 1 (Time-based) UUIDs/GUIDs.
Decode JSON Web Tokens (JWT) to inspect Header, Payload, Claims, Expiration date, and Signature structure.
Convert Epoch Unix timestamps to human-readable date/time formats and convert human dates to epoch timestamps.