diff --git a/README.md b/README.md
index c3fb3dd..3f29005 100644
--- a/README.md
+++ b/README.md
@@ -1863,6 +1863,7 @@ Each website is included only once. Some websites can fall into multiple categor
 - [CodePad](https://codepad.org/) - Online compiler/interpreter and collaboration tool, allowing users to run and share code snippets with a short URL.
 - [JSON Formatter](https://jsonformatter.org/json-parser) - Online JSON parser and formatter.
 - [SQL Formatter](https://formatjsononline.com/sql-formatter) - Free Online SQL Formatter & Beautifier.
+- [Free Online Developer Tools](https://free-online.dev) - A comprehensive collection of free, lightning-fast, and secure client-side tools for developers, to format JSON, beautify SQL, or decode Base64 strings.
 
 ### Testing