Jhonatas Machado

This add-on works by showing a preview before printing. That can be done by clicking the button on the toolbar or shortcut keys.

YouTube page load is 5x slower in Firefox than in Chrome because YouTube's Polymer redesign relies on the deprecated Shadow DOM v0 API only implemented in Chrome. This extension helps you to load more faster the page in your Firefox.

Select a tab to refresh every x minutes (you can set in the preferences, the default is 3 minutes), thus preventing the timeout on the page you are connected to.

This extension shows in your toolbar the current weather and the degree in Celsius, when you click is possible to see more details about the weather in your city. In addition to being able to view the forecast for the next 24 and 48 hours.

Tired of receiving page notifications or being bothered by them asking permission to send notifications? Don't bother with that anymore!

This Add-on works by blocking the operation of JavaScript in your browser, you can also block elements of the page, see the blocked elements and unblock them.

This add-on provides help to answer questions on Twitter using the hashtag #fxhelp, gives some tips, has built-in common replies and explains how the Social Support program works.

Hide all your tabs with just one click. Very useful when sharing the screen and also to reduce the number of open tabs shown.