Development

Topic	Replies	Views	Activity
About the Development category	2	3449	September 28, 2023
Get started with Firefox extension development Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…	6	7821	September 6, 2023
Extension development tools developer-tools Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …	6	9370	June 23, 2021
browser.tabs.captureVisibleTab not working in firefox for mv3	4	56	September 29, 2023
Porting Chrome add-on -> Firefox: page permissions not granted by default?	8	551	September 28, 2023
Looking for a specific "about:config" values to hide some warnings during development	1	53	September 27, 2023
Help wanted in making a extension learning	2	75	September 25, 2023
[EDITED] Error: Permission denied to access property "then" manifest-v3 , issue	2	86	September 24, 2023
How to use NotificationBox with Thunderbird?	2	91	September 24, 2023
Content script fails to send message to non-persistent background script	2	92	September 19, 2023
Missing extensions after building Icecat 115.2.1	1	92	September 14, 2023
Cross-platform windows.onFocusChanged issues - How to check if no windows have focus? How to detect a minimize event?	5	157	September 13, 2023
How do I publish my extension for Android?	3	181	September 2, 2023
Enrich search bar with a personal set of suggestion	1	131	August 30, 2023
Temporary extension and private browsing	4	671	August 28, 2023
Tabs.query doesn't return unloaded tabs in Firefox for Android development	2	138	August 28, 2023
How to open a new tab with a message knowing the "imap" URL in Thunderbird thunderbird	1	116	August 22, 2023
Intercepting HTTP requests and saving them for later	3	174	August 16, 2023
Storage sync works when Firefox account is totally disabled?	7	211	August 14, 2023
Opt-in permissions for MV3 extensions	3	243	August 1, 2023
Add On Didn't Pass Review Because of Inappropriate Content? Why?	6	390	August 1, 2023
addEventListener in content script not executed/effective on htmlz pages issue	6	186	July 29, 2023
How to get the list url accessed while loading a page via javascript for use inside extension	2	216	July 7, 2023
Intro and basic questions about extension development for Firefox on Android	10	257	July 27, 2023
How can I prevent websites from logging me out due to inactivity using add-ons? issue	3	288	July 21, 2023
[WebExtension] Import a module in a script	9	11571	July 24, 2023
Add-on: Send a key combination to the Browser	4	207	July 15, 2023
Links to third-party libraries were provided for new extension version, but still didn't pass review	2	208	July 14, 2023
Options script fails to handle response from background script	14	283	July 10, 2023
How to open sidebar from content script click event	2	199	July 10, 2023

About the Development category

2

3449

September 28, 2023

Get started with Firefox extension development

Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…

6

7821

September 6, 2023

Extension development tools

developer-tools

Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …