CORS Unblocker

by dengxiwang · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Temporarily relax CORS restrictions for development and testing.

Users

363

+24 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#50K

#42K among extensions

Version

1.1.2

updated 16 Sep 2026

Users

monthly, 13 months

Latest, 15 Oct 2026: 363 usersMove the mouse over the chart for any month

Ratings count

monthly, 13 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About CORS Unblocker

Temporarily Disable CORS (Dev/Test Only) Need to bypass CORS restrictions on localhost or trusted sites? This tool lets you temporarily lift the limits with a single click, making debugging and testing a breeze. ⚠️ Security Warning: - Dev/Test Only:This feature is strictly for local development or testing environments. Never use it in production. - Temporary Effect: The CORS bypass is temporary. Refreshing the page or reopening the tab will automatically restore the default security policy. - Stay Safe: Do not enable this while visiting untrusted or public websites to prevent cross-site attacks or data leaks. - For Developers: Designed specifically for developers. Completely free, ad-free, and collects no personal data. Your privacy and security are our top priority.