Analyze keyword ranking for "override"

New Tab Override allows you to set the page that shows whenever you open a new tab.

Add your own custom CSS styles to any webpage

An extension to help you gain full control of any website by redirecting traffic, replacing, editing, or inserting new content.

Manually set the charset (character encoding) for a webpage, to fix encoding errors and garbage characters on websites. A replacement for the former View → Text Encoding menu.

Overrides image URLs based on a specified base URL.

I'm sure most of us like halloween, if you don't that's fine; I'd like to give this to those who want something simple to appreciate such a good holiday. :)

Modify HTTP request headers, ModHeader-style (Chrome MV3 / declarativeNetRequest)

Allow to override any content type containing json to application/json. Can be very useful to override vendor specific content type.

Override JS, CSS, and API responses in your browser for safe debugging — without touching production.

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

Gives the ability to set custom user agent string

Firefox on Linux hardcodes tab selection shortcut to alt+1, alt+2 etc. This extension overrides that with ctrl - ctrl+1, ctrl+2 etc.

Allows to add rules to force specific cookie values whenever a website is visited

Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.

Links open in a new tab? No thanks.

Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

This extension overrides the default 'Accept' header to prevent websites from serving lossy WebP images instead of the original PNG/JPG

A lightweight tool for making single-spa microfrontend substitutions.

Easily override the browser's User-Agent string

Re-enables the Gopher protocol in Firefox 56 and above, allowing you to enter Gopher URLs and click on Gopher links. Because WebExtensions does not yet have a TCP sockets API, this version redirects your requests to the Floodgap Public Gopher Proxy.

Re-enable the possibility to use the context menu on sites that overrides it

Temporarily override blocking for specific needs.

Override all fonts on web pages with the OpenDyslexic font.

Simple browser extension for copying links without trackers. Currently supported websites: - facebook.com - messenger.com - instagram.com - google.com - youtube.com

Re-sets the 'Ask to save logins and passwords for websites' to enabled, after the Roboform disabled it. Helpful if you want to have both managers.