Best alternatives to CSP Unblock (2026)
6 Chrome extensions that do a similar job to CSP Unblock, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
CSP Unblock today
CSP Unblock 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 17 months ago4 permissions- About 25× more users than CSP Unblock
- Updated less recently
- 2
CORS Unblock
Temporarily unblock CORS for development and testing purposes
≈20K users4.2★ from 19 ratingsUpdated 4 months ago4 permissions- About 2.5× more users than CSP Unblock
- Updated more recently
- 3
CORS Unblock
Easily bypass CORS errors during development with a simple ON/OFF toggle.
≈2K users4.8★ from 80 ratingsUpdated 9 months ago5 permissions- About 4.0× fewer users than CSP Unblock
- Asks for more permissions (5 vs 4)
- 4
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 6.3× more users than CSP Unblock
- Updated less recently
- Asks for fewer permissions (2 vs 4)
- 5
Disable-CSP
A browser extension to disable http header Content-Security-Policy and html meta Content-Security-Policy
≈3K users3.7★ from 3 ratingsUpdated 9 months ago5 permissions- About 2.7× fewer users than CSP Unblock
- Asks for more permissions (5 vs 4)
- 6
CSP Evaluator
CSP Evaluator is a tool that allows developers to check if a Content Security Policy (CSP) serves as mitigation against XSS attacks.
≈20K users3.1★ from 34 ratingsUpdated 19 months ago3 permissions- About 2.5× more users than CSP Unblock
- Updated less recently
- Asks for fewer permissions (3 vs 4)
CSP Unblock alternatives: questions
What is the best alternative to CSP 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 CSP 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 CSP Unblock alternative that asks for fewer permissions?
KMF-Unblock asks for 2 permissions, against 4 for CSP Unblock.
How many alternatives to CSP Unblock are there?
We list 6 close alternatives to CSP 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.