Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
What is Allow CORS: Access-Control-Allow-Origin?
Allow CORS: Access-Control-Allow-Origin is a vital Edge add-on empowering users to conduct cross-domain Ajax requests in web applications without restrictions. It facilitates CORS (Cross-Origin Resource Sharing) by tweaking the response header, typically blocked in modern browsers' JavaScript APIs. Once installed, the add-on is inactive by default but can be activated through the toolbar popup. Navigate and hit the toggle button to transform the grey C icon to orange, signifying activation.

Stats
- storage
- webRequest
- declarativeNetRequest
- <all_urls>

Summary
Allow CORS: Access-Control-Allow-Origin lets you easily perform cross-domain Ajax requests in web applications.
Simply activate the add-on and perform the request. CORS or Cross-Origin Resource Sharing is blocked in modern browsers by default (in JavaScript APIs). Installing this add-on will allow you to unblock this feature. Please note that, when the add-on is added to your browser, it is inactive by default (toolbar icon is grey C letter). If you want to activate the add-on, please open the toolbar popup and press the toggle button on the left side. The icon will turn to an orange C letter.
If you have a feature request or found a bug to report, please fill out the bug report form on the add-on's homepage (https://mybrowseraddon.com/access-control-allow-origin.html).
User reviews
Safety
Risk impact
Allow CORS: Access-Control-Allow-Origin is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Allow CORS: Access-Control-Allow-Origin if you trust the publisher.
Risk likelihood
Allow CORS: Access-Control-Allow-Origin is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.