Encoder, Decoder & String Escaper

Encode and decode strings using Base64, URL encoding, Hex, HTML entities, and escape/unescape strings for programming language literals.

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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.