List of Firefox add-ons with 100-999 ratings

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100-999 ratings
1000-9999 ratings
10K+ ratings

Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

866 results. Page 1 of 35.

#1, Easy Screenshot

Mozilla Online

Capture a screenshot of the whole webpage, and save in your desktop in default.

3.89 (707)

3,265,013

#2, Language: English (US)

Mozilla Firefox

Firefox Language Pack for English (US) (en-US)

4.14 (757)

2,269,404

#3, Language: English (GB)

Mozilla Firefox

Firefox Language Pack for English (GB) (en-GB)

3.72 (918)

1,794,146

#4, Cisco Webex Extension

Cisco WebEx

Join Webex meetings using Firefox ™

2.88 (313)

984,210

#5, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

4.35 (629)

668,902

#6, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

4.35 (629)

668,534

#7, Norton Safe Web

NortonLifeLock

Protects your browser from online threats.

3.99 (358)

642,932

#8, Language: Русский (Russian)

Mozilla Firefox

Firefox Language Pack for Русский (ru) – Russian

4.41 (287)

625,727

#9, Language: Português (BR)

Mozilla Firefox

Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese

4.59 (229)

567,789

#10, Capital One Shopping: Save Now

Capital One Shopping

Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.

4.46 (636)

560,711