CORS Unblocker icon

CORS Unblocker

by FlowTab · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Temporarily bypass CORS restrictions to streamline development and testing workflows.

Users
496
+31 in 30 days
Rating
3.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#43K
#36K among extensions
Version
1.1
updated 20 Jun 2026

Users

monthly, 2 years
0288576Dec 2024Dec 2025Oct 2026
Latest, 15 Oct 2026: 496 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
012Dec 2024Dec 2025Oct 2026
Latest, 15 Oct 2026: 2 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

CORS Unblocker: Effortless Cross-Origin Development and Testing Simplify API Testing and Web Development Take control of your development workflow with CORS Unblocker, the ultimate tool for bypassing Cross-Origin Resource Sharing (CORS) restrictions. Designed with developers and testers in mind, this extension streamlines the process of working with local and cross-origin APIs. Key Features Instant CORS Bypass Enable or disable CORS restrictions with a single click, removing barriers to seamless API and web application testing. No server-side changes required! Temporary and Secure CORS unblock settings are temporary and automatically reset when the browser closes, ensuring your browsing remains secure. Developer-Focused Design Tailored specifically for developers and testers, this tool simplifies debugging and accelerates workflows for local development and API integrations. Built-In Security Warning Receive clear, built-in warnings about potential security implications when disabling CORS, empowering you to make informed choices. Minimalist, User-Friendly Interface Enjoy a sleek, intuitive UI that makes toggling the CORS unblocker quick and hassle-free. Safe for Development Environments Perfect for debugging and testing without affecting live or production systems, keeping your projects secure. Plug-and-Play Functionality No setup required—just install, enable, and start using immediately. Universal Compatibility Works across all websites and API endpoints, offering a comprehensive solution for cross-origin issues. Why Choose CORS Unblocker? Whether you're a seasoned developer or just starting, CORS Unblocker is an essential tool for enhancing your productivity. Debug, test, and develop faster while keeping your projects secure and efficient. Download now and revolutionize your cross-origin development! Changelog: UI Updated

Growth

WindowUsersChangeRatingsRating
7 days−9−1.8%00.00
30 days+31+6.7%00.00
6 months+1+0.2%+1−2.00
1 year+30+6.4%+1−2.00

Version history

2 versions recorded
1.120 Jun 2026
1.028 Dec 2024

Details

Category
Developer Tools
First seen
28 Dec 2024
Size
19 KB
Languages
en
Pricing
Free
Privacy policy
tabplugins.com
Extension ID
mhophcedkkpfkdgmpphhiafcodcckbcp

Permissions and risk

Moderate riskimpact 2, likelihood 3
Permissions
storagedeclarativeNetRequestdeclarativeNetRequestFeedback
Site access
<all_urls>
Can read and change data on every website you visit.

Alternatives to CORS Unblocker

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users