Add-ons

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

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	1	22495	July 11, 2014
tabs.executeScript does not work with containered tabs Development issue	3	20	April 18, 2024
Regarding our add-on rejected by mozilla team Add-ons issue	6	94	April 18, 2024
Upgraded add-on signatures Announcements	1	31	April 17, 2024
Keeweb connect suddenly disappeared from the add-ons browser Add-ons	5	104	April 17, 2024
Add-ons submissions help needed Add-on Support	1	35	April 17, 2024
Shortcomings of Firefox themeing modules, many elements can't be themed or updated Themes	1	35	April 17, 2024
Someone published copies of my add-on on AMO addons.mozilla.org	46	1732	April 17, 2024
Widevine addon is crashing Add-on Support	3	238	April 17, 2024
Bookmarks bar is too narrow Themes learning , feedback	2	172	April 17, 2024
Custom theme light and dark Themes	2	455	April 17, 2024
Add-on getting rejected on submission Add-on Support	2	197	April 16, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder Development webextensions-api	2	690	April 16, 2024
Which policies apply to AMO-listed addons vs. self-distributed addons? addons.mozilla.org	11	688	April 16, 2024
Dictionary with wrong name in the addons page addons.mozilla.org	3	183	April 16, 2024
Yahoo Homepage Add-ons issue	2	74	April 15, 2024
Issue when uploading via addons Add-on Support	3	108	April 15, 2024
Content-script: How to wait for React DOM to load? Development content	2	427	April 15, 2024
How to use a custom font in addon Development learning	3	132	April 11, 2024
Browser Security Plus add-on restoration in the Firefox store Add-on Support	1	72	April 10, 2024
Why can I not load a simple custom extension/addon xpi file in Android Nightly? Add-on Support	1	182	April 8, 2024
"Reported" themes not being checked Themes	1	107	April 5, 2024
Menu font change in FF for Mac Add-ons	1	78	April 5, 2024
Old Users Not Being Updated to New Version Add-on Support	4	119	April 5, 2024
[WebExtension] Import a module in a script Development	10	12688	April 2, 2024
Demonstrating security of an add-on Development privacy-and-security	6	239	April 1, 2024
I'm building addon for firefox user can take screenshot, but browser.runtime.sendMessage returns undefined Add-ons issue	4	274	March 29, 2024
Ff и Tab Session Manadger Add-ons	1	125	March 29, 2024
Return that addons is corrupted while downloading Add-ons	3	171	March 28, 2024
Please no Pay-or-Ok in Pocket Firefox for Android Add-ons	6	291	March 28, 2024