Add-ons   Development


Topic Replies Activity
Introduction to Add-on Development 36 June 15, 2019
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
Add on working in nightly, but not working in current - Firefox 71 2 December 12, 2019
Firefox extension update problem- SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data 11 December 12, 2019
Temporary Add-ons won't load: XULStore.jsm "Error: Can't find profile directory" 2 December 12, 2019
Addon help: meta name="theme-color" 2 December 11, 2019
Submit source code with `web-ext sign`? 5 December 11, 2019
Console doesn't display content script errors 13 December 11, 2019
How to close popup browser window 10 December 11, 2019
Bundling, tree-shaking and 3rd party libraries 4 December 11, 2019
Questions about performance of windows.get/tabs.query and keeping state in storage vs background 8 December 10, 2019
Intercept a window.postMessage? 2 December 8, 2019
Specify context (container) AJAX or fetch() 7 December 7, 2019
How to detect the dark theme in a WebExtension? 5 December 6, 2019
Questions on Sideloading alternatives 9 December 4, 2019
WebExtension with Native messaging C++ App side 6 December 1, 2019
Is it possible to test storage.sync in development? 5 November 29, 2019
Should `web-ext lint` somehow target Firefox for Android? 5 November 29, 2019
How to determine if the page is in browser action or sidebar 3 November 28, 2019
Using React / Angular / Vue for part of the addon page only 1 November 28, 2019
Issue with the URLSearchParams interface in content scripts 7 November 27, 2019
Why don't I see my extension in the store? 3 November 26, 2019
Porting Addon to Other Browsers 2 November 26, 2019
My extensions have their function blocked 3 November 26, 2019
Hide sidebar for none http/https pages 2 November 23, 2019
Matching multiple URLs with a wildcard top-level domain? 2 November 23, 2019
Unique vendor UUID 2 November 22, 2019
Set width of side bar? 3 November 20, 2019
getBackgroundPage in private mode 12 November 19, 2019