Disable or remove Add-ons | Firefox Help
Choose Manage Firefox Extension in the list. This will let you install the extension in Firefox. It will open up Firefox and from here, you can click on Install, Allow and finally Add in order to add the extension to Firefox. The extension should be up and running now. The Best Firefox Extensions for Online Safety and Security Once you locate an extension you wish to add to the browser, dig into the plug-in's page. Click Add to Firefox to install the extension. You will be asked for permission to add the extension. Chrome Web Store Small programs that add new features to your browser and personalize your browsing experience. Extensions in Firefox 77 | Mozilla Add-ons Blog If you have been using iframes on your extension pages and expecting them to behave like first party frames, the SameSite cookie attribute will keep your add-on from working properly. In Firefox 77, the cookies for these frames will behave as if it was a first party request. This should ensure that your extension continues to work as expected.
Go to the Firefox Add-ons > Extensions page, and search for and select the extension you want to add to Firefox. (see screenshot below) 3. Click/tap on the Add to Firefox button for the selected extension. (see screenshot below) 4. Some extensions will let you know if they need certain permissions or data.
Mar 06, 2020 Add-ons - Mozilla | MDN Modify the Firefox user interface; Add new features to Firefox; There are several types of add-ons, but the most common type are extensions. Developing extensions. In the past, there were several toolsets for developing Firefox extensions, but as of November 2017, extensions must be built using WebExtensions APIs. Other toolsets, such as extension - Mozilla | MDN
How to add Firefox Extension to IceCat Browser
Download Firefox Extensions to add features that customize browsing. Protect passwords, find deals, enhance video, and block annoying ads with browser apps.