Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
6 940 brukarar
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
6 907 brukarar
MySessions
A simple session manager. You can quickly save your current browser state and reload it whenever necessary. This is not a replacement for Michael Kraft's "Session Manager", but it allows you to import saved sessions from the "Session Manager".
6 768 brukarar
ReloadMatic: Automatic Tab Refresh
ReloadMatic automates the periodic reloading / refreshing of browser tabs. It offers cache control, custom intervals, POST support and many other features. It also integrates with browser features such as tab restore, pinning, and incognito mode.
6 701 brukarar
Open with VLC
Add a content menu Open with VLC on audio / video links. Links must contains file extensions (.mp4, .mkv, ...) Prerequisite : - VLC must be opened - HTTP web interface must be enabled (Settings > Interface > HTTP web interface)
6 340 brukarar
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
6 312 brukarar
DanfeOnline - Gerador de DANFE
Extensão para auxiliar consultas de DANFE, DACTE e CC-E.
6 244 brukarar
RoSeal - Augmented Roblox Experience
Improve your Roblox website experience, seals included!
6 201 brukarar
TFT Trade Extension
An extension which integrates TFT branded tools into your browser. It provides safer and easier trading in Path of Exile.
6 187 brukarar
Google Page Translate
Adds a toolbar button to open Google Page Translate for the current tab.
6 159 brukarar
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.
6 087 brukarar
FoxReplace
Lets you replace text in web pages. You can define a substitution list and apply it automatically or at your own discretion, or make individual substitutions. You can use this as a filter, or just for fun :)
6 084 brukarar
Draw on Page
Easily draw on any website with simple drawing tools, then print the result.
6 029 brukarar
Ultrawidify
Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit ultrawide and superwide displays (e.g. 21:9) — and it attempts to do so automatically.
5 930 brukarar
Live Server Web Extension
Live Reload feature for Dynamic content (PHP, Node.js, ASPNET - Whatever, it doesn't matter). This extension is for Live Server - VSCode Extension (required v3.0.0+).
5 927 brukarar
Steam URL Opener
Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser (with a single click on a button).
5 864 brukarar
Export Tabs URLs
List the URLs of all the open tabs and copy that list to clipboard or export it to a file. Features: - include titles - custom format (e.g. markdown, html…) - filter tabs - limit to current window - list non-HTTP(s) URLs - ignore pinned tabs
5 808 brukarar
AWS Extend Switch Roles
Extend your AWS IAM switching roles. You can set the configuration by aws config format
5 712 brukarar
Recordify Title Discover
A plugin which will read the Title/Author from the current streaming service and provides it to Recordify, a third party recording application made by Abelssoft
5 701 brukarar
