Add-ons   Development


Topic Replies Activity
Introduction to Add-on Development 34 December 19, 2018
Extension development 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 …

4 April 16, 2018
About the Development category 1 May 21, 2015
Can an extension close it's own popup opened by a browserAction or pageAction? 2 April 25, 2019
Can extensions overwrite CSS media features/query? 1 April 24, 2019
How to detect the dark theme in a WebExtension? 3 April 24, 2019
How to correctly design/color icon to be visible across themes? 12 April 24, 2019
Detect if any Firefox window is full screen as an add-on 2 April 21, 2019
Defining a Privacy Policy. Ideas, tips, examples? 9 April 19, 2019
Remove/reduce size of "Site Information" link in address bar 4 April 18, 2019
FireFox Add-on "document" not defined 9 April 16, 2019
navigator.clipboard.writeText on non SSL (http: as opposed to https:) site 4 April 11, 2019
Where/how do I run the script pkcs11.installModule()? 2 April 11, 2019
Useful add-ons / tools for add-on development 2 November 23, 2018
Back-up just for Firefox 5 April 10, 2019
Accidentally disabled new version of my add-on 4 April 10, 2019
Chrome is undefined when injecting script tags from extension 4 April 8, 2019
Popup windows sometimes takes longer to populate 6 April 5, 2019
Need help with bug in Context Search 8 April 4, 2019
How to use async/await to handle a response 8 April 4, 2019
Why can't I use let in different cases after a switch statement 3 April 2, 2019
WebExtension - how to read/write local file 14 April 2, 2019
Chrome_settings_overrides manifest values not working properly during update of extension. Work fine during fresh install 1 April 2, 2019
Can you guide me at depelopping a simple extension? 7 April 1, 2019
Using ES6 modules in background scripts 7 April 1, 2019
Can content scripts and option page scripts use functions in background scripts 8 March 31, 2019
Get current tab's container name in background script 5 March 31, 2019
Content script fails to get installed 9 March 28, 2019
Add-on request: Firefox Workspaces 10 January 29, 2019
Can a click event caught in a content script be used to trigger a sidebar action 4 March 27, 2019