Most add-ons hosted on the Firefox Add-ons site have been analyzed by a Mozilla editor. Such add-ons have a green "Add to Firefox" button. <br>A few add-ons have only been partially reviewed, or may have outstanding problems that need to be fixed. Such add-ons have a yellow striped "Add to Firefox" button. <br>Add-ons hosted on third-party sites should only be installed if you trust the site in question. ---- '''Are add-ons safe to install?'''<br> ''Unless clearly marked otherwise, add-ons available from this gallery have been checked and approved by Mozilla's team of editors and are safe to install. We recommend that you only install approved add-ons. If you wish to install unapproved add-ons or add-ons from third-party websites, use caution as these add-ons may harm your computer or violate your privacy. [https://addons.mozilla.org/developers/docs/policies/reviews Learn more about our approval process].'' * https://addons.mozilla.org/en-US/faq