Youtube Times
Replaces the undescriptive youtube time on recommended with the exact absolute time of release.
353 users
LoadTabOnSelect
Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.
352 users
CustomDirecte
★ Calcule et Affiche les moyennes ★ Ajoute des options de personnalisations [Couleurs - polices - Angles - Theme sombre] ★ Remplace l'ancienne barre latérale [Plus lisible - Prend moins de place - Regroupe plus de paramètre]
351 users
Measure Element
Shows width, height, or alignment of selected area at anywhere on webpage in pixels.
350 users
tabs2txt
This add-on provides a button to copy the URL strings of all active tabs in a window to a scratchpad, delimit them with newlines, and provides the ability to copy the list to clipboard. The reverse operation is also supported (txt2tabs).
347 users
Markdown Editor for Firefox
Markdown Editor for Firefox also comes with one-click HTML conversion, file support and other discreet gems.
347 users
Custom Right-Click Menu
Create your own new entries in the right-click menu. Add custom JavasScript scripts, links, sub-menus and custom CSS stylesheets that activate when you click them in your right-click menu and do anything you want all from your right-click menu.
345 users
Open search results in new tab
Open search results in a new tab. Above FF 61, works with the omnibox/awesomebar AND the dedicated search box.
344 users
RTF Viewer
This extension allows to view RTF (Rich Text Format) files in the browser and does so automatically when clicking any link to an RTF file. The RTF file is then automatically displayed in the same tab (similarly to the pdf preview feature).
340 users
Chess.com Browser Extension
Customize your Chess.com experience with our open-source browser extension. Interested in contributing? Check out https://github.com/ChessCom/browser-extension
337 users
