Add-ons

Firefox for Android Add-ons This space is specifically for developers with technical questions as they prepare their desktop add-ons for availability on Android. Themes Discussions about background themes and complete themes. addons.mozilla.org Discussions about AMO add-on reviews and bugs. Add-on Support Need help with an add-on? Ask here! Development Technical discussions about add-on development. Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. Announcements Important announcements for the add-ons community.

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	0	24433	July 11, 2014
Nord Pass Extension Not found Add-on Support	1	31	January 31, 2025
Add-On rejected while meeting all requirements Add-on Support	6	216	January 31, 2025
AddOn Beta/Test versions? Add-ons	5	436	January 28, 2025
Growing number of users with "Unknown" version in Statistics page addons.mozilla.org	5	139	January 28, 2025
Access to "Protected" sites (e.g. accounts.firefox.com) Development	2	40	January 28, 2025
Submitting of new theme addons.mozilla.org	3	35	January 28, 2025
What is reason: Image, specifically Low quality, stretched, or blank? Themes	6	421	January 27, 2025
Question about Paid Digital Certificate for Internal Add-ons Add-on Support	2	90	January 27, 2025
Arbitrary code execution in background script Add-on Support	7	123	January 23, 2025
ModHeader extension is not available in firefox Add-ons	4	1887	January 23, 2025
[blog post] Announcing the WebExtensions ML API Add-ons feedback	0	84	January 23, 2025
How to change AddOn ID? Development	3	204	January 23, 2025
My themes are always rejected Themes	5	111	January 23, 2025
How to automate add-on option screen tests? Development	6	127	January 22, 2025
download manager and reduce app data Add-ons feedback	1	280	January 22, 2025
Add button to toolbar/addressbar? Development	1	124	January 22, 2025
Browser extension storage "get" return value if nothing found Development	10	634	January 22, 2025
Google traduction pour Firefox? addons.mozilla.org	2	114	January 22, 2025
How to make extension available for Firefox in Ubuntu Development	1	83	January 22, 2025
Addon review taking longer than usual Add-on Support	5	209	January 20, 2025
Modify headers with declarativeNetRequest.updateSessionRules()? Development issue	6	1063	January 20, 2025
Is it allowed for an extension to load CSS and HTML dynamically? Development	3	173	January 19, 2025
Get started making themes! Themes Themes let you customize the appearance of your Firefox. You can add background images to the header of your browser or change the colors of various components like the URL bar or the tab text. It’s easy to create themes…	8	4184	August 12, 2024
[Blog post] Two-factor authentication required for extension developers Announcements	13	2606	January 18, 2025
Filtering of service worker scripts via browser.webRequest.filterResponseData not possible? Development	4	1082	January 17, 2025
My users count is not adding Add-ons	2	88	January 17, 2025
Webscraper.io Add-on Support	0	117	January 16, 2025
https://addons.mozilla.org/en-US/firefox/addon/the-custom-cursor/ Add-ons issue	1	191	January 14, 2025
Addon update is not reviewed Add-on Support	1	125	January 14, 2025