Best alternatives to Anti-CORS, anti-CSP (2026)
10 Chrome extensions that do a similar job to Anti-CORS, anti-CSP, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Anti-CORS, anti-CSP today
Anti-CORS, anti-CSP alternatives, compared
- 1
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 18 months ago4 permissions- About 40× more users than Anti-CORS, anti-CSP
- Updated less recently
- Asks for more permissions (4 vs 3)
- 2
Allow CORS
Enable this extension to bypass CORS errors and make API calls from different domains seamlessly
≈2K users4.8★ from 4 ratings5 permissions- About 2.5× fewer users than Anti-CORS, anti-CSP
- Asks for more permissions (5 vs 3)
- Listed under Tools
- 3
CORS Unblock
Temporarily unblock CORS for development and testing purposes
≈20K users4.3★ from 20 ratingsUpdated 5 months ago4 permissions- About 4.0× more users than Anti-CORS, anti-CSP
- Updated more recently
- Asks for more permissions (4 vs 3)
- 4
Moesif Origin/CORS Changer & API Logger
Allow cross-domain requests by override Origin and CORS headers. Log/capture XmlHttpRequest API calls for debugging and analytics.
≈100K users3.3★ from 198 ratingsNot updated for 2+ years7 permissions- About 20× more users than Anti-CORS, anti-CSP
- Updated less recently
- Asks for more permissions (7 vs 3)
- 5
CORS Unblock
Easily bypass CORS errors during development with a simple ON/OFF toggle.
≈2K users4.8★ from 86 ratingsUpdated 10 months ago5 permissions- About 2.5× fewer users than Anti-CORS, anti-CSP
- Updated more recently
- Asks for more permissions (5 vs 3)
- 6
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
≈800K users3.6★ from 298 ratingsUpdated 4 months ago4 permissions- About 160× more users than Anti-CORS, anti-CSP
- Updated more recently
- Asks for more permissions (4 vs 3)
- Listed under Tools
- 7
Cross Domain - CORS
Cross Domain will help you to deal with cross domain - CORS problem. This is tool helpful when face with cross domain issue.
≈40K users3.8★ from 78 ratingsUpdated 5 months ago5 permissions- About 8.0× more users than Anti-CORS, anti-CSP
- Updated more recently
- Asks for more permissions (5 vs 3)
- 8
Restfox CORS Helper
Help bypass CORS when making requests from Restfox
≈1K users5.0★ from 2 ratingsUpdated 3 weeks ago4 permissions- About 5.0× fewer users than Anti-CORS, anti-CSP
- Updated more recently
- Asks for more permissions (4 vs 3)
- 9
API console extension
API Console extension to proxy HTTP requests to the documented API.
≈1K users2.2★ from 5 ratingsNot updated for 4+ years2 permissions- About 5.0× fewer users than Anti-CORS, anti-CSP
- Updated less recently
- Asks for fewer permissions (2 vs 3)
- 10
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
≈20K users4.4★ from 9 ratingsNot updated for 3+ yearsNo special permissions- About 4.0× more users than Anti-CORS, anti-CSP
- Updated less recently
- Asks for fewer permissions (0 vs 3)
Anti-CORS, anti-CSP alternatives: questions
What is the best alternative to Anti-CORS, anti-CSP?
By users, the most popular alternative is Allow CORS: Access-Control-Allow-Origin with ≈800K users and a 3.6-star rating. The closest match by what it does is CORS Unblock.
Which Anti-CORS, anti-CSP alternative has the best rating?
CORS Unblock has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 86 ratings.
Is there a Anti-CORS, anti-CSP alternative that asks for fewer permissions?
Simple WebSocket Client asks for 0 permissions, against 3 for Anti-CORS, anti-CSP.
How many alternatives to Anti-CORS, anti-CSP are there?
We list 10 close alternatives to Anti-CORS, anti-CSP 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.