Only these are tested manually, while all other extensions are scanned automatically only.

Mozilla maintains a list of recommended extensions on the Add-ons Store, which are tested by the organization before they are published on the store.

The vast majority of extensions are useful and safe. This does not happen very often, at least not on the Firefox add-ons store, but it has happened in the past. While the answer may not please everyone, the past has shown that extensions may be malicious and that they may be pushed to the Firefox extensions store or Google Chrome Store. It offers thousands of Firefox add-ons there, a search for quickly finding extensions, and more.įirefox extensions may also be installed from other sources. Mozilla, maker of Firefox, maintains a Store on its website for Firefox extensions. ADVERTISEMENT What are Firefox Extensions?įirefox extensions, also sometimes called Firefox add-ons, are small JavaScript programs that may be integrated into the web browser to add, remove, or change its functionality or the functionality of websites.

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