diff --git a/README.md b/README.md
old mode 100644
new mode 100755
index 6109dbf..9e38ee5
--- a/README.md
+++ b/README.md
@@ -177,6 +177,10 @@ A collection of awesome things regarding the Web Design and Development-
 * [Make a smooth shadow, friend](https://brumm.af/shadows)
 * [Omatsuri](https://omatsuri.app/)
 
+## Developer Tools / Productivity
+
+* [JieBang Tools](https://www.jiebang.site) - Free 170+ browser-based developer tools (JSON formatter, QR code generator, image converter, Cron parser, etc.) - all client-side processing, no data upload
+
 
 
 ## Three.js