Mozilla Firefox Extension Store is a facility provided by Mozilla Firefox to make it easier for users and developers to find or provide additional feature services on the Firefox browser.
Is intend to make it easier for Mozilla Firefox users. To find the extensions they need, and for protection from Firefox. That the extensions on the Firefox Extension store, are extensions that are safe from malware. Starting from personal data theft, using the data for illegal things, and security from hackers.
Developers, who want to install the extension on the Mozilla Firefox Extension Store. Are require to send the extension data for review. However, if Firefox feels that the extension is safe, they will publish it to the public. if it does not pass the test, then Firefox will not publish it. It if it feels something is not safe from the extension.
How to get Extension on Mozilla Firefox Extension Store
Press the New Fx Menu button and select Add-ons. The Add-ons Manager tab will open.
Choose Extensions, Appearance or Plugins to view your add-ons.
At the top of the Firefox window, click the Firefox button (Tools menu on Windows XP), then click Add-ons. The Add-ons Manager tab will open.
On the Add-ons Manager tab, select the Get Add-ons panel.
Click to get more information about the Add-ons or Themes feature. You can then click on the green Add to Firefox button to install it.
Submitting and Add-on in Mozilla Firefox Extension Store
To start, familiarize yourself with the Add-on Policies and Developer Agreement.
Next, prepare your add-on for publication by adding all its files to a ZIP archive with the extension .zip, .xpi or .crx. For information on how to create your ZIP, see Package your extension, and for details on what to include in the file, see Anatomy of an extension.
The maximum file size accepted is 200 MB. If your add-on is larger than 200 MB, it will fail validation.
If your add-on includes code that might be difficult to read, such as code created by minification or obfuscation, create a source code package. For more information on this requirement, see Source Code Submission.
Create your developer account on addons.mozilla.org (AMO):
If you have a Firefox Account, connect it with AMO: visit AMO, in the page header click Log in, then log in with your Firefox Account.
If you don’t have a Firefox Account: visit AMO and, in the page header, click Register.
Go to the Add-ons Developer Hub and click Submit Your First Add-on or Submit a New Add-on.