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Open Tab in a Specific Position by Firefox extension...

How to develop legacy Firefox add-ons in the future?...

Do I need to create an .xpi file to test my Firefox extension?...

Use HTTP-on-modify-request to redirect URL...

How do I migrate a legacy XPCOM extension to WebExtensions?...

maxVersion of Firefox Add-on is not enforced?...

Open a new tab with "hello world" on it...

Why does my Firefox add-on not work after updating Firefox to version 50...

How to read a local file in an add-on for Firefox version 45+...

How to get the active tab URL in an e10s add-on...