CORS Unblock
Easily bypass CORS errors during development with a simple ON/OFF toggle.
As of June 2026, CORS Unblock has 465 users and a 5.00/5 rating from 54 reviews in the Developer Tools category.
Usersup 481.3 percent+481.3%
465
465
Ratingno change0%
5.00
54 reviews
Reviewsup 107.7 percent+107.7%
54
Version
1.0.0
Manifest V3
History
8 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 80 | 5.00 | 26 | 1.0.0 |
| Apr 11, 2026 | 84 | 5.00 | 28 | 1.0.0 |
| Apr 20, 2026 | 93 | 5.00 | 32 | 1.0.0 |
| Apr 30, 2026 | 153 | 5.00 | 36 | 1.0.0 |
| May 9, 2026 | 205 | 5.00 | 39 | 1.0.0 |
| May 17, 2026 | 454 | 5.00 | 44 | 1.0.0 |
| May 26, 2026 | 337 | 5.00 | 46 | 1.0.0 |
| Jun 5, 2026 | 368 | 5.00 | 51 | 1.0.0 |
| Now | 465 | 5.00 | 54 | 1.0.0 |
Permissions & access
- Permissions
- declarativeNetRequeststoragetabsbrowsingData
- Host access
- <all_urls>
Screenshots
About
Easily bypass CORS errors during development with a secure ON/OFF toggle. CORS Unblock is a professional Chrome extension built specifically for web developers who need temporary, reliable control over Cross-Origin Resource Sharing during local development and testing. ⭐ Key Features • One-Click ON / OFF Toggle Instantly enable or disable CORS bypass with clear visual feedback. • Visual Status Indicators Color-coded badge and popup status ensure you always know when CORS is active. • Quick Reload Controls Reload the current page directly from the extension for faster iteration. • Intelligent Cache Clearing Clear cache, service workers, and perform hard reloads to avoid stale data during debugging. • Domain Whitelist Management Add or remove domains where CORS bypass is needed, keeping usage controlled and intentional. • Comprehensive Resource Coverage Works with fetch, XMLHttpRequest, scripts, images, stylesheets, fonts, media, and iframes. • Persistent Preferences Remembers your last state across browser restarts. • Privacy-First Architecture No data collection, no tracking, no remote servers. 👨💻 Built For • Frontend and backend developers • API and microservice testing workflows • Local development environments • QA and staging validation 🚀 Why Choose CORS Unblock? Unlike generic CORS extensions that modify everything blindly or rely on unsafe debugging APIs, CORS Unblock focuses on: • Control instead of brute force • Clear visibility and safety A practical tool for developers who want predictable CORS handling—without compromising security or stability.
Technical
- Version
- 1.0.0
- Manifest
- V3
- Size
- 988KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- gmcgbepaipojeljagoldjecdhaiildga
- Developer ID
- u97de76839bcd68fe94d417a5739f131d
- Developer Email
- [email protected]
- Created
- Dec 26, 2025
- Last Updated (Store)
- Jan 14, 2026
- Last Scraped
- Jun 5, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- https://multivariate.tech/privacy-policy/
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Data sourced from the Chrome Web Store · last verified Jun 5, 2026.