Explore powerful tools and features to customize Firefox and make the browser all your own.
a handy multi-language translator built on top of Google translate.
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
Select text and search from the context menu or a tiled popup using any of your installed search engines. Add new search engines with a right-click, edit favicons and query strings. POST compatible, simple UI, highly configurable. For FF 57+
Best adblock extension against advertising and pop-ups. No more ads showing on every single website, including Facebook, YouTube, Google, etc. No more personal tracking from Facebook or Google to display "personalized" ads.
Save any web page into a PDF to your local device. A simple click on the extension icon will do the job.
Download YouTube Videos in MP4, WEBM, 3GP and more in HD quality with sound. YouTube Video Download - YouTube HD Download is an amazing YouTube Video Downloader tool for all the download YouTube fans. Download YouTube videos!