Developer Tools
9 tools for everyday development tasks
9 toolsPretty-print and validate JSON, encode and decode Base64, generate SHA-256 and SHA-512 hashes, create version 4 UUIDs, convert Unix timestamps to readable dates and switch colors between HEX, RGB and HSL.
The tools run entirely client-side: API keys, tokens and sample data never leave your browser.
All tools in this category
JSON Formatter
Validate, beautify or minify JSON
Base64 Encoder
Encode text to Base64 or decode it back
Hash Generator
Compute SHA-256, SHA-512 and SHA-1 digests instantly
UUID Generator
Generate random v4 UUIDs in bulk
Timestamp Converter
Unix timestamp ↔ human-readable date
Color Converter
Convert between HEX, RGB and HSL instantly
Color Palette Generator
Harmonious color schemes or a palette extracted from your image
PX to REM Converter
Pixels ⇄ rem with any root font size
Number Base Converter
Binary, octal, decimal, hex and any base 2–36 — plus text ↔ binary