Developer bench

Pretty-print messy JSON with stable indentation so nested objects and arrays are easy to scan.

248k uses

Check whether a JSON document parses cleanly and surface syntax issues before you ship a payload.

165k uses

Decode a JSON Web Token header and payload locally to inspect claims without verifying on a server.

155k uses

Hash text locally with common digest algorithms to compare checksums and fingerprint strings.

188k uses

Try regular expressions against sample text and inspect matches without leaving the browser.

128k uses

Create RFC-style UUIDs in the browser for database IDs, test fixtures, and idempotency keys.

198k uses

Translate a cron expression into plain-language timing so job schedules are easier to review.

81k uses

Compare two text blocks side by side and highlight insertions, deletions, and small edits.

134k uses

Encode text to Base64 for data URLs, basic auth experiments, and compact transport snippets.

144k uses

Convert Unix epoch seconds or milliseconds to readable dates and back, entirely on-device.

120k uses