CORS Unlocker icon

CORS Unlocker

v1.0.2 Updated Jan 31, 2026 324KiB
CWS
7
Users
★ 0.00
0 reviews
#131202
of 208.6K
developer
#11538 of 18.3K

Description

CORS Unlocker is a developer-focused Chrome extension designed to help you test APIs and frontend integrations by temporarily bypassing Cross-Origin Resource Sharing (CORS) restrictions during development. The extension works locally on your browser and only modifies request headers for the websites you explicitly enable. It does not collect, store, or transmit any personal or sensitive data. Key Features - Toggle CORS rules on/off with a single click - Add custom domains to enable CORS for specific sites - Automatically injects required development headers - Fully transparent – all rules are visible and editable - No ads, no tracking, no background data collection Developed For - Frontend developers - API testers - Web app debugging - Localhost projects - Development environments ⚠️ Important: This extension is intended only for development and debugging purposes. It should not be used on production websites or for bypassing security protections.
CORS Unlocker screenshot 1CORS Unlocker screenshot 2CORS Unlocker screenshot 3CORS Unlocker screenshot 4CORS Unlocker screenshot 5

Reviews

Loading reviews...

Permissions (6)

Permissions

alarms Can schedule periodic background tasks declarativeNetRequest Can block or redirect network requests declarativeNetRequestFeedbackdeclarativeNetRequestWithHostAccess storage Can store data locally in your browser tabs Can see your open tabs and their URLs

Details

Version 1.0.2
Updated Jan 31, 2026
Size 324KiB
First Seen Mar 26, 2026