Download Cors Extension For Firefox __hot__ -
If you need to bypass CORS restrictions, these are the most reliable options available on the official :
A powerful tool for developers that allows bypassing rules on a per-request basis. It includes a whitelist feature, allowing you to only bypass CORS for specific URLs while keeping the rest of your browsing secure.
Find and install add-ons to add features to Firefox - Mozilla Support download cors extension for firefox
This extension provides granular control over XMLHttpRequest and Fetch methods. You can customize which methods (GET, POST, DELETE, etc.) are allowed and decide whether to overwrite existing headers from the server.
Below is a guide on how to download, install, and use top-rated CORS extensions for Firefox in 2026. If you need to bypass CORS restrictions, these
Specifically designed for users of the Restfox web-based HTTP client, this helper allows the application to test API endpoints directly in your browser without backend interference. How to Download and Install To download any of these extensions, follow these steps:
This is one of the most popular choices. It allows you to easily add the Access-Control-Allow-Origin: * rule to response headers. It features a simple "C" icon in your toolbar that turns orange when active and grey when disabled. You can customize which methods (GET, POST, DELETE, etc
Cross-Origin Resource Sharing (CORS) is a vital security feature that prevents websites from making unauthorized requests to different domains. However, for web developers testing APIs or mashups, these restrictions can often block legitimate work. While the best long-term solution is to configure the server to allow your origin, using a Firefox extension is a fast and reliable way to bypass these hurdles during local development.