There are many Google Chrome extensions that are also available for use in the Firefox and Opera browsers. Here is a list of some popular extensions and some additional information about each one:
AdBlock
This is an extension that blocks ads from appearing on websites and helps to improve browsing speed and security. The extension, is available for both Firefox and Opera. And offers features such as customizable blocking options and the ability to whitelist certain websites.
The current version of the extension for Firefox is 4.4.1. And it has a rating of 4.5 stars out of 5 with over 3 million downloads.
The current version of the extension for Opera is 2.11.2. And it has a rating of 4.5 stars out of 5 with over 1 million downloads.
uBlock Origin
The ad-blocking extension that is available for both Firefox and Opera. The extension, offers features such as customizable blocking options. The ability to block tracking and malware, and a lightweight design that helps to improve browsing speed.
The current version of the extension for Firefox is 1.39.3. And it has a rating of 4.5 stars out of 5 with over 5 million downloads.
The current version of the extension for Opera is 1.39.3. And it has a rating of 4.5 stars out of 5 with over 1 million downloads.
Evernote Web Clipper
This is an extension that allows users to save web content to their Evernote account and access it from anywhere. The extension, is available for both Firefox and Opera. These also offers features, such as the ability to save entire pages. Selected text, or images, and customize the appearance of saved notes.
The current version of the extension for Firefox is 7.14.1. And it has a rating of 4.5 stars out of 5 with over 1 million downloads.
The current version of the extension for Opera is 7.14.1. And it has a rating of 4.5 stars out of 5 with over 100,000 downloads.
Grammarly
A spelling and grammar checker extension that is available for both Firefox and Opera. The extension helps users to improve their writing by identifying grammar and spelling errors and offering suggestions for improvement.
The current version of the extension for Firefox is 14.3.71. And it has a rating of 4.5 stars out of 5 with over 1 million downloads.
The current version of the extension for Opera is 14.3.71. And it has a rating of 4.5 stars out of 5 with over 100,000 downloads.
Honey
This is an extension that helps users, to save money by automatically finding and applying coupons. Also discounts when shopping online. The extension, is available for both Firefox and Opera. And offers features such as the ability to track prices and set alerts for specific products.
The current version of the extension for Firefox is 2.0.44. And it has a rating of 4.5 stars out of 5 with over 1 million downloads.
The current version of the extension for Opera is 2.0.44. And it has a rating of 4.5 stars out of 5 with over 100,000 downloads.
LastPass
A password manager extension that is available for both Firefox and Opera. The extension, helps users to securely store. And manage their passwords, also other sensitive information. Include features such as two-factor authentication, password generation, and the ability to access passwords across devices.
The current version of the extension for Firefox is 4.16.0. And it has a rating of 4.5 stars out of 5 with over 5 million downloads.
The current version of the extension for Opera is 4.16.0. And it has a rating of 4.5 stars out of 5 with over 5 million downloads.