Download Allow CORS: Access-Control-Allow-Origin (current and past versions) for Firefox
Try xHeader →
Latest Version:
0.2.2 Updated:
3 months ago
Ready to install?
Allow CORS: Access-Control-Allow-Origin is available to install from Firefox Add-ons Store and for download from this page.
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Daily users
95 ratings
3
Total downloads
Available versions
You can find the current and older versions of Allow CORS: Access-Control-Allow-Origin here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 0.2.2 | XPI · ZIP · Source code | 92.80KB | 0 | 2026-04-23 |
| 0.2.1 | XPI · ZIP · Source code | 92.81KB | 1 | 2025-09-12 |
| 0.2.0 | XPI · ZIP · Source code | 80.51KB | 2 | 2024-11-04 |
| 0.1.7 | Paid users only | 63.25KB | 0 | 2022-07-12 |
0.2.2 92.80KB
0.2.1 92.81KB
0.2.0 80.51KB
0.1.7 63.25KB
Paid users only
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Allow CORS: Access-Control-Allow-Origin ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Allow CORS: Access-Control-Allow-Origin ZIP file from step 1. Allow CORS: Access-Control-Allow-Origin is now installed on your browser.
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