> Developer Tools
Free developer utilities. No tracking, no ads, runs entirely in your browser.
JSON Prettier
Paste JSON and view it as a collapsible, syntax-highlighted tree. Share with a link.
Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text.
Text Paste
Paste text, pick a language, and share it with a link.
Share Secret
Share a secret with a one-time link. Encrypted in your browser, deleted after viewing.
JWT Decoder
Decode and inspect JWT token headers and payloads.
Unix Timestamp
Convert between Unix timestamps and human-readable dates.
UUID Generator
Generate random UUID v4 values, single or in bulk.
Diff Tool
Compare two texts and see the differences highlighted.
Regex Tester
Test regular expressions against text with match highlighting.
Cron Explainer
Parse cron expressions into human-readable descriptions with upcoming run times.
URL Encode/Decode
Encode text for URLs or decode URL-encoded strings back to text.
Hash Generator
Generate SHA-256, SHA-384, SHA-512, and SHA-1 hashes from text.
Colour Converter
Convert colours between HEX, RGB, and HSL formats.