Best alternatives to CORS Unblock (2026)
8 Chrome extensions that do a similar job to CORS Unblock, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
CORS Unblock today
CORS Unblock alternatives, compared
- 1
CORS Unblock
Temporarily unblock CORS for development and testing purposes
≈20K users4.2★ from 19 ratingsUpdated 4 months ago4 permissions- About 10× more users than CORS Unblock
- Updated more recently
- Asks for fewer permissions (4 vs 5)
- 2
CORS Unblock
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
≈200K users4.1★ from 175 ratingsUpdated 17 months ago4 permissions- About 100× more users than CORS Unblock
- Rated 0.8 stars lower
- Updated less recently
- Asks for fewer permissions (4 vs 5)
- 3
CORS Unblock
Web apps cross-origin access with precise domain control and simple permissions.
835 users5.0★ from 3 ratingsUpdated 17 months ago5 permissions- About 2.4× fewer users than CORS Unblock
- Updated less recently
- 4
CORS Unblocker
Temporarily bypass CORS restrictions to streamline development and testing workflows.
521 users3.0★ from 2 ratingsUpdated 4 months ago4 permissions- About 3.8× fewer users than CORS Unblock
- Updated more recently
- Asks for fewer permissions (4 vs 5)
- 5
CORS Unblocker
Temporarily relax CORS restrictions for development and testing.
354 usersNot rated yetUpdated 4 weeks ago4 permissions- About 5.6× fewer users than CORS Unblock
- Updated more recently
- Asks for fewer permissions (4 vs 5)
- 6
CSP Unblock
No more Content-Security-Policy limitations. This extension removes all CSP-related headers during website testing.
≈8K users4.0★ from 7 ratingsUpdated 9 months ago4 permissions- About 4.0× more users than CORS Unblock
- Asks for fewer permissions (4 vs 5)
- 7
KMF-Unblock
解除『考滿分』區域限制 A Chrome and Firefox extension that bypasses KMF's region restrictions.
≈50K users4.9★ from 56 ratingsNot updated for 2+ years2 permissions- About 25× more users than CORS Unblock
- Updated less recently
- Asks for fewer permissions (2 vs 5)
- 8
SunBlock
SunBlock - a clean, professional ad & tracker blocker with per-site controls.
268 users5.0★ from 5 ratingsUpdated 9 months ago8 permissions- About 7.5× fewer users than CORS Unblock
- Asks for more permissions (8 vs 5)
CORS Unblock alternatives: questions
What is the best alternative to CORS Unblock?
By users, the most popular alternative is CORS Unblock with ≈200K users and a 4.1-star rating. The closest match by what it does is CORS Unblock.
Which CORS Unblock alternative has the best rating?
KMF-Unblock has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 56 ratings.
Is there a CORS Unblock alternative that asks for fewer permissions?
KMF-Unblock asks for 2 permissions, against 5 for CORS Unblock.
How many alternatives to CORS Unblock are there?
We list 8 close alternatives to CORS Unblock on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.