Base64 Encoder
Encode & decode Base64 for text or files.
URL Encoder
Percent-encode & decode URL components.
JWT Decoder
Inspect a JWT: header, payload, expiry.
Hash Generator
MD5, SHA-1, SHA-256 & SHA-512 for text or file.
Color Converter
HEX ↔ RGB ↔ HSL with a contrast checker.
JSON Formatter
Pretty-print, minify, and validate JSON.
Format Converter
Convert between JSON, YAML, CSV & XML.
Regex Tester
Build and debug regular expressions.
Browser Info
Viewport, screen size, DPR, browser & OS.
