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	22503	July 11, 2014
tabs.executeScript does not work with containered tabs Development issue	3	42	April 18, 2024
Regarding our add-on rejected by mozilla team Add-ons issue	6	106	April 18, 2024
Upgraded add-on signatures Announcements	1	39	April 17, 2024
Keeweb connect suddenly disappeared from the add-ons browser Add-ons	5	113	April 17, 2024
Add-ons submissions help needed Add-on Support	1	43	April 17, 2024
Shortcomings of Firefox themeing modules, many elements can't be themed or updated Themes	1	42	April 17, 2024
Someone published copies of my add-on on AMO addons.mozilla.org	46	1739	April 17, 2024
Widevine addon is crashing Add-on Support	3	243	April 17, 2024
Bookmarks bar is too narrow Themes learning , feedback	2	176	April 17, 2024
Custom theme light and dark Themes	2	457	April 17, 2024
Add-on getting rejected on submission Add-on Support	2	202	April 16, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder Development webextensions-api	2	727	April 16, 2024
Which policies apply to AMO-listed addons vs. self-distributed addons? addons.mozilla.org	11	689	April 16, 2024
Dictionary with wrong name in the addons page addons.mozilla.org	3	185	April 16, 2024
Yahoo Homepage Add-ons issue	2	75	April 15, 2024
Issue when uploading via addons Add-on Support	3	111	April 15, 2024
Content-script: How to wait for React DOM to load? Development content	2	432	April 15, 2024
How to use a custom font in addon Development learning	3	133	April 11, 2024
Browser Security Plus add-on restoration in the Firefox store Add-on Support	1	76	April 10, 2024
Why can I not load a simple custom extension/addon xpi file in Android Nightly? Add-on Support	1	185	April 8, 2024
"Reported" themes not being checked Themes	1	108	April 5, 2024
Menu font change in FF for Mac Add-ons	1	79	April 5, 2024
Old Users Not Being Updated to New Version Add-on Support	4	121	April 5, 2024
[WebExtension] Import a module in a script Development	10	12692	April 2, 2024
Demonstrating security of an add-on Development privacy-and-security	6	241	April 1, 2024
I'm building addon for firefox user can take screenshot, but browser.runtime.sendMessage returns undefined Add-ons issue	4	285	March 29, 2024
Ff и Tab Session Manadger Add-ons	1	126	March 29, 2024
Return that addons is corrupted while downloading Add-ons	3	176	March 28, 2024
Please no Pay-or-Ok in Pocket Firefox for Android Add-ons	6	293	March 28, 2024