Add-ons

Add-on Support Need help with an add-on? Ask here! Themes Discussions about background themes and complete themes. 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. Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. addons.mozilla.org Discussions about AMO add-on reviews and bugs. Announcements Important announcements for the add-ons community. Development Technical discussions about add-on development.

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	0	24843	July 11, 2014
Unable to access existing AMO account and add-on ownership Add-on Support	3	72	September 14, 2026
How to create a discarded tab with favicon loaded? Development	2	38	September 13, 2026
Addons.mozilla.org is returning HTTP 503 – Backend.max_conn reached when accessing the Firefox Add-ons application addons.mozilla.org	11	789	September 12, 2026
FVD Speed Dial for Firefox Add-on Support	1	27	September 12, 2026
How... do addon slugs work? addons.mozilla.org issue	19	169	September 12, 2026
Extension review pending for 19 days - IMC TOOL v1.1.1 Add-ons issue , add-on-reviews	2	55	September 12, 2026
Request for status update and consideration for Monknow New Tab version 8.8.19 Add-ons issue , add-on-reviews	2	27	September 11, 2026
The new data transmission permissions seem to be misleading to users addons.mozilla.org	6	1329	September 11, 2026
Add-on approved but unavailable - no email received addons.mozilla.org issue	1	22	September 11, 2026
Unable to generate API key Development	3	44	September 11, 2026
I am currently unable to access addons.mozilla.org as an add-on developer. Add-ons issue	2	106	September 10, 2026
Why is my absolutely legitimate email not allowed to submit add-ons? addons.mozilla.org	2	60	September 10, 2026
Add-on Review Questions addons.mozilla.org add-on-reviews This is a thread for questions about the add-on review process. I’ll be merging older existing threads into this one to help keep them in one place. If you have a question that hasn’t been previously answered, please fe…	170	20043	September 10, 2026
Chinese users can't use AD blocker extensions addons.mozilla.org	16	10366	September 10, 2026
Unable to log in to AMO "You do not have permission to perform this action" addons.mozilla.org	1	24	September 9, 2026
I applied for an API key on the Mozilla website for Firefox add-on development, but after submitting the application, I have not received any email and cannot see my API key Add-ons	10	167	September 9, 2026
How to detect / identify PWA (web apps) windows? Development	1	69	September 7, 2026
Request to release unused AMO slug stockblocker Add-on Support	4	79	September 4, 2026
New Mozilla Account cannot access AMO Developer Hub Add-ons	2	34	September 3, 2026
Beta testing request — MixStūra Video Downloader Add-ons	2	53	September 2, 2026
Question About Distribution Methods and Automatic Signing Add-ons	4	52	September 2, 2026
Unify Extension Toolbar Button Behavior Between Home Screen and Normal Pages Firefox for Android Add-ons	2	46	September 2, 2026
Add-on approved but public page returns 404 (not showing in search) Add-on Support	2	49	September 1, 2026
Disabled for "Deceptive or misleading" after our first data_collection_permissions declaration. What is the right path forward? addons.mozilla.org issue	2	57	September 1, 2026
Requesting file-size validation exception — unlisted add-on with 3 JS files over 5 MB Add-ons	1	46	September 1, 2026
Unable to sign into account on Mozilla Addon site Add-on Support	1	50	September 1, 2026
Pending review since 10 Aug Add-on Support	3	127	September 1, 2026
Cannot Post Review Add-ons	4	70	August 27, 2026
Add On Awaiting Review for 12+ hours Add-on Support	1	59	August 26, 2026