Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
8,666 人のユーザー
Markdown Viewer
Markdown Viewer with 30+ Themes, Dark Mode, MathJax, Mermaid diagrams, Syntax Highlighted code blocks
8,253 人のユーザー
Sponsored Search by SearchesCentral
Get better search results instantly from your home and new tab page!
8,089 人のユーザー
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
8,076 人のユーザー
Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8,063 人のユーザー
![Grammalecte [fr]](https://addons.mozilla.org/user-media/addon_icons/701/701168-64.png?modified=1542696783)
Grammalecte [fr]
Correcteur grammatical dédié à la langue française. Inclus : conjugueur, lexicographe, formateur de texte et dictionnaires orthographiques.
7,958 人のユーザー
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
7,866 人のユーザー
Bulk Image Downloader
Integrates Bulk Image Downloader (a Windows only app that must be installed separately) with FireFox. Download full sized images from almost any thumbnailed web gallery. Supports most popular image hosts such as imagevenue, imagefap, flickr, etc.
7,844 人のユーザー
Ant Download Manager
antFF is Ant Download Manager software integration module for Windows platforms. For everyone who thinks that we are the same as is Ant Video Downloader - we are not Ant Video Downloader, we are another software, we are another group of developers.
7,424 人のユーザー
Scratch Addons
Scratch Addons provides customizable features and themes for the scratch.mit.edu website and project editor.
6,981 人のユーザー
Captcha Solver: Auto Recognition and Bypass
Extension allows you to automatically solve CAPTCHAs found on any webpage.
6,950 人のユーザー
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
6,939 人のユーザー
GSConnect
Share links with GSConnect, direct to the browser or by SMS. Requires at least v7 of the Gnome Shell extension to function.
6,882 人のユーザー
Session Sync
Save sessions as bookmarks and access them across devices. Advanced Session Manager: edit, save, change, restore. It can also be your best Bookmark Manager
6,808 人のユーザー
Breez ClickOnce
Breez ClickOnce enables ClickOnce support in Mozilla Firefox. It is required to be able to launch any Windows Forms or Windows Presentation Foundation application that is based on Microsoft's ClickOnce technology.
6,787 人のユーザー
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
6,686 人のユーザー
Easy Youtube Video Downloader
No# 1 Rated Youtube Video Downloader for firefox web-browser with MP3 and Full-HD downloads. Instant, one-click Youtube video downloader with high-quality 256Kbps/128Kbps MP3 and Full-HD video downloading options.
6,669 人のユーザー
