Add-ons

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

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	1	22715	July 11, 2014
Put oldtwitter layout addon back Add-on Support	1	14	May 17, 2024
OMA LwM2M DevKit extension download problem Add-ons	6	78	May 17, 2024
Add-ons that break Websites & Add-on Management Add-ons	7	205	May 16, 2024
[Blog post] Manifest V3 Updates Announcements manifest-v3	3	65	May 16, 2024
Font size in Eyedropper? Add-on Support	2	53	May 16, 2024
Idk how to download my own private theme Add-on Support	2	50	May 16, 2024
Avast stops supporting Security & Privacy add-on Add-on Support	1	65	May 15, 2024
Downloading .xpi file of language pack of a past FireFox version Add-on Support	4	5166	May 15, 2024
Web Requests created by extension are no longer logged in the Developer Toolbox Development	3	169	May 14, 2024
Ability to detect name of active webform control? Development	3	108	May 14, 2024
How to avoid linter warnings caused by limited Android API? Development	6	94	May 13, 2024
Firefox webextension with proxy array does not work Development	2	611	May 13, 2024
Compiler-generated add-on code: Unsafe assignment to innerHTML Development	3	84	May 12, 2024
Add AutoControl extension Add-on Support	1	71	May 12, 2024
Firefox InternalError (MV3) Development manifest-v3	6	100	May 11, 2024
Emergency remediation for Thunderbird extensions Add-on Support	3	112	May 10, 2024
MobiDevTools implementation of Eruda 3.0.1 Add-ons	6	130	May 8, 2024
Remove duplicate messages Thunderbird (largeur partie gauche fenêtre doublons) Add-on Support	1	94	May 8, 2024
Will users of old browser automatically see the latest compatible version? addons.mozilla.org	5	449	May 8, 2024
How do I go from self-distributing an add-on to having it hosted on the add-on store? addons.mozilla.org	3	653	May 8, 2024
Korrektur von vergebenen Bewertungen durch User --> Verbesserungsvorschlag Add-on Support	2	96	May 8, 2024
Choosing Origin header from background script Development issue	4	190	May 8, 2024
Post-MV3 versioning for "cross-browser" extensions? Development manifest-v3	4	283	May 8, 2024
[Support] Sage-Like - Sidebar Based RSS Feed Reader Add-on Support	69	9934	May 7, 2024
My replies to reviews are getting deleted addons.mozilla.org	11	382	May 6, 2024
Is there any extesnion avialnle in firefox which can block website categroy wise Add-on Support	1	94	May 6, 2024
Top APIs mising on Firefox for Android? Firefox for Android Add-ons	12	1851	May 5, 2024
Disabling my theme Add-on Support	1	94	May 5, 2024
The attention tab property Development	1	124	May 3, 2024