Developer
JSON, Base64, hashes, colors, and timestamps.
JSON Formatter
Format, validate, and minify JSON.
Base64 Encode/Decode
Encode text to Base64, or decode Base64 back to text.
URL Encode/Decode
Percent-encode text for use in a URL, or decode it back.
Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes of text.
Color Converter
Convert colors between HEX, RGB, and HSL.
Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Physical Constants
Reference values for speed of light, Planck's constant, and other physical constants.