Encode/Decode

Online Encoder & Decoder Tools | Base64, URL, HTML, Unicode, JWT

Base64 Encoding

Fast, secure online Base64 encoding/decoding tool. Fully supports UTF-8 (including CJK characters) with URL Safe mode for seamless text-binary conversion.

URL Encoding

Practical online URL encoder/decoder (Percent-encoding). Supports Component/URI modes to resolve special/Unicode character transmission issues.

HTML Encoding

Online HTML entity encoder/decoder. Safely converts special characters to entities (and vice versa) for displaying HTML source or preventing XSS attacks.

Unicode Conversion

Online Unicode encoder/decoder. Converts text (including CJK) to \uXXXX and HTML entities formats, with smart restoration capabilities.

JWT Decoder

A simple and secure online JWT (JSON Web Token) decoder. Just paste your token to quickly view the contents of its Header and Payload. All parsing is done locally in your browser, ensuring your token's security.