HTML Entity Encoder / Decoder
Convert reserved and special characters to HTML entities and back
When to encode
- • Always encode & < > " ' when putting user text into HTML
- • Decoding uses the browser's own parser, so every named and numeric entity is supported
- • "Encode all non-ASCII" is handy for ASCII-only files or email templates
More Developer Tools
JWT Decoder
Decode and inspect JSON Web Tokens — view header, payload, expiry status, and algorithm instantly.
Regex Tester
Test regular expressions with live match highlighting and flag toggles. Includes 8 built-in presets.
CSS Minifier
Compress CSS by removing comments, whitespace, and redundant characters with before/after size savings.