diff --git a/README.md b/README.md
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@@ -137,6 +137,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 
 ### Transformation
 
+- [Anytools JWT Decoder](https://anytools.io/dev/jwt-decoder) - Decode and inspect JWT header and payload client-side. Shows expiration status, claim details. Zero outbound requests — verify in DevTools Network tab.
 - [AST Explorer](http://astexplorer.net/) - Parse JS to an explorable AST tree via acorn, babel, babylon, espree, esprima, recast, shift, and typescript.
 - [Babel REPL](https://babeljs.io/en/repl) - The compiler for next generation JavaScript
 - [ByteTools JWT Decoder](https://bytetools.io/jwt-decoder/) - Decode and inspect JSON Web Tokens securely. 100% client-side processing, never sends tokens to servers.