diff --git a/readme.md b/readme.md
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@@ -147,6 +147,7 @@ Inspired by [awesome](https://github.com/sindresorhus/awesome).
 * [Miro](https://miro.com/) - Online whiteboard for collaboration.
 * [Hopp](https://gethopp.app/) - Open source remote pair programming app.
 * [Digital Toolpad](https://www.DigitalToolpad.com) - Modern suite of dev tools that run 100% offline. No Cloud or Data transfer, providing pure privacy for individual or corporate use.
+* [PinusX DevTools](https://tools.pinusx.com/) - Free JSON formatter, validator, YAML converter, diff tool, and webhook tester. 100% client-side.
 
 ## Database Migration & DevOps
 * [Liquibase](https://www.liquibase.org/) - Open-source database schema change management with multi-database support.