The add-on lets you capture an entire web page or any portion of it, and then annotate the image with rectangles, circles, arrows, lines and text. If your current default screenshot options are too rudimentary, you should give Awesome Screenshot Plus a try. Awesome Screenshot PlusĪwesome Screenshot Plus enables users to capture and annotate images. The add-on works on many popular sites such as Gmail, Facebook, Twitter and LinkedIn, but Google Drive and Google Docs are not supported. Grammarly can also detect contextual errors, commonly confused words and subject-verb agreement issues. More than that requires a $140 annual subscription. The add-on requires users to set up an account, but it’s free for those who need fewer than 400 grammar/spelling checks per month. Grammarly is a tool that could help you avoid embarrassing grammatical or spelling errors in your most important communications and documents.

Grammarly helps users write clearly without mistakes, and with greater impact. Some of the most popular uses of this free add-on include filling out personal forms, initiating logins, automating downloads and uploads, extracting data to a CSV file, testing site performance and social bookmark scripting.

Macros can be created for a variety of purposes to simplify browsing and speed users through otherwise mundane tasks. If you’re tired of endless forms, password requests and other things that can bring browsing to a halt, iMacros can save you a lot of time and aggravation. The iMacros add-on automates many of the repetitive tasks users encounter online. The iMacros for Firefox add-on can be customized to fill out forms, initiate password requests and automate other online activities. These are 14 of the best Firefox add-ons you can use to turn Firefox into a powerhouse. We scoured Firefox's repository for add-ons and selected those with the most users and top reviews. While Firefox is a well-rounded browser in its own right, its capabilities can be expanded by installing any of a wealth of extensions that can boost performance and improve users’ workflow. (It’s available for download if you haven’t tried it yet, and want to.) On top of that, Mozilla made a big deal about the release of the latest version – Firefox Quantum – which the company says is twice as fast as the browser was earlier this year. And after slipping in recent years, it has been on something of a rebound this year. Firefox isn’t the most popular browser in the world - that honor now goes to Google Chrome - but it still has an ardent following.

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