String Encoder & Decoder
Transform strings into multiple formats. Base64 encoding, Hex values, URL parameter escaping, and HTML code entity converters.
Free Online Developer Encoder & Decoder Studio
The Encoder, Decoder & String Escaper is a multi-format conversion studio. Instantly convert payloads and format text strings between URL percent encoding, Base64 blocks, Hexadecimal codes, HTML entities, and programming language escape strings.
Comprehensive Encoding Utilities
Percent encode query arguments for REST calls, encode or decode authorization headers in Base64 format, translate byte strings to Hex strings, escape code symbols, or render HTML character mappings safely in visual code layouts.
Secure Client-Side Operations
All operations run completely client-side in Javascript. Your raw passwords, API auth tokens, text files, and binary structures are never sent across the internet, ensuring full safety.