Allow CORS: Access-Control-Allow-Origin

Easily add (Access-Control-Allow-Origin: *) rule to the response header.

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Allow CORS: Access-Control-Allow-Origin Chrome Extension

'Allow CORS: Access-Control-Allow-Origin' is a Chrome extension designed to overcome the barriers set by Cross-Origin Resource Sharing (CORS) in modern browsers. By installing this add-on, users can perform cross-domain Ajax requests in their web applications with ease. Understand, it remains inactive by default and requires manual activation.

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Extension stats

By: Muyor

Users: 800,000+

Rating: 3.37

(279)

Version: 0.2.0 (Last updated: 2024-10-27)

Creation date: 2020-03-08

Permissions:

storage
webRequest
declarativeNetRequest

Host permissions:

<all_urls>

Size: 80.19K

Email: mu*****@gmail.com

Full description: See detailed description

Ranking

# 494 ▲ 85

Other rankings

#3432 in Tools ▲ 14

#39 in resource keyword 8 ▲ 3

#44 in control keyword 35 ▼ 8

#56 in unblock keyword 74 ▼ 7

#104 in browser settings keyword 2

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Other platforms

Not available on Android

Allow CORS: Access-Control-Allow-Origin (v0.2.0)

13,563+ 3.23

(75)

Allow CORS: Access-Control-Allow-Origin (v0.2.0)

147,801+ 3.70

(6)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Works effectively for CORS issues
Easy to install and activate
Many users report it saving the day
Helpful for testing GET requests
Better functionality compared to Firefox alternative

Cons

Many users report being blocked by websites even with the extension activated
Some users find it difficult to configure properly
Limited effectiveness for localhost setups
Inconsistent performance across different websites
Issues with specific features like whitelisting

Most mentioned

Need to activate extension after installation
Blocked by websites despite using the extension
Works but requires custom CORS rules for localhost
Helpful for overcoming CORS errors
Issues with certain websites still persisting

User reviews

thanks master

3drobert, 2025-02-10

Ha funcionado perfecto, una página que no funcionaba ahora ya lo hace de nuevo. Lo único, no basta con instalarlo, hay que activarlo en una de sus opciones.

Ignacio Gomez, 2024-11-11

VERY USEFUL.. THANKS TO THE DEVELOPERS!!!

Roads 4K, 2024-11-04

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Extension safety

Risk impact

Allow CORS: Access-Control-Allow-Origin requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Allow CORS: Access-Control-Allow-Origin. Use it at your own risk.

Risk likelihood analysis details

Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
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