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Implements a client to send the current active tab to a local server managing the overlay. It also sends the playback progress on certain sites (currently only YouTube) to the local server.

Hides YouTube end cards so you don't miss the climax part of the music video or movie clip

Download from YouTube using the service provided by ClipConverter, via button (Desktop) or menu (Firefox for Android).

Checks every 404 pages. If an archive exists in archive.org, a banner is displayed to open this archive.

Download YouTube videos quickly and easily! Supports all available YouTube formats (MP4, FLV, WebM, 3GP) for any video quality (from 144p up to 3072p).

Displays the number of YouTube™ subscribers next to each comment.

Recommended, support FireFox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. you can start an instant meeting or schedule a future meeting via a button.

An easy-to-use and lite App for YouTube.

Acfun helper

Forked version of Fast panopto designed to work on both firefox and chrome

Add function to download images on Chevereto sites

Generates the histogram of a selected image.

Redirects alternate image servers (is.4chan.org, is2.4chan.org, is3.4chan.org) requests to i.4cdn.org on 4chan.org.

AdSkip Tube allows you to remove the Adblock message on YouTube “Ad blockers are not allowed on YouTube”. Don't forget to turn off your ad blocker, not completely, but only on YouTube.

Compress PDF, PPT, Word, Excel, PNG & JPEG files free online. No file limits, no registration & no watermarks; just smaller, easy to share, high-quality files.

Video Downloader For Threads is a Firefox extension that lets you download videos from threads.net, the new app from Meta for text sharing and public conversations. It adds a download button below every video.

Adds a grey background to SVG files, centers them and adjusts them to page width, just like normal images.

Extremely lightweight unofficial addon for pinning things to Pinterest. It's not injecting any javascript to the pages you browse and activates only when you press extension button on the panel.

Next and previous buttons for viewing images in local file URLs to browse folders.

Click my icon to load Twitch chat on a YouTube live page.

You can take a screenshot on browsers easily with one click only. After installed this extension on Firefox Mozilla you can enabled this extension in setting tab and after enabled you can seen the extension icon on Firefox Mozilla browser as well.

Stops loading the content of the tab opened in the background, such as by clicking the middle mouse button. Reduces the instantaneous peak CPU load and network load when opening many links at once. Other miscellaneous functions related to tabs.

Open With for Microsoft Edge sends pages from Mozilla Firefox to Microsoft Edge.