Encoding / Decoding

10 tools

Encode and decode data across the most common formats developers encounter — Base64, URL encoding, HTML entities, JWT tokens, and more. Instantly inspect what's inside an opaque string or prepare values for safe transmission in APIs, URLs, and web pages.

Base64 Encode

Encode text or files to Base64 format

Base64 Decode

Decode Base64 strings back to readable text

URL Encode

Encode URLs and query strings for safe transmission

URL Decode

Decode percent-encoded URLs back to readable form

HTML Encode

Convert special characters to HTML entities

HTML Decode

Convert HTML entities back to readable characters

JWT Decoder

Decode and inspect JWT token header, payload, and signature

Unicode Converter

Convert text to Unicode code points and back

ASCII Converter

Convert text to ASCII codes and back

Binary Converter

Convert text, decimal, hex, and octal to binary and back

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