What are Mozilla Firefox Addons and Extensions?

Mozilla Firefox addons or extensions are programs that can be installed into Firefox in order to change the browser's functionality. This includes adding new features or modifying existing behavior in Firefox in order to fix bugs, add extra functionality, or increase the browser's security.

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System architecture of our Firefox extension testing system. The main

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Your first extension - Mozilla

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How to Use Firefox Addons

Mozilla Firefox is getting an extension button similar to Chrome