YouTube Video Downloader HD, 4K & Multi-Format
Download YouTube videos, Shorts, MP3, plus Facebook, Instagram, TikTok, Twitter, Vimeo in 4K with our fast YouTube Video Downloader and converter tool.
3,107 users
Earth View from Google Earth
Experience a beautiful image from Google Earth every time you open a new tab.
3,068 users
pinterest-guest
Allows to browse Pinterest without login/registration, removing the offending modal popup. - unlock scrolling - redirect to the categories from home page - force show the search bar please update to latest version 3.0 for new fixes.
3,030 users
Speaker Booster
Unleash the power of sound on your browser! Increase volume to max level and control the it of any tab.
3,008 users
RevEye Reverse Image Search
Firefox port of the Chrome extension RevEye Perform a search by image. Choose between the image search engines Google, Bing, Yandex and TinEye
3,000 users
AI Toolbox
Ultimate AI assistant! Access all AIs anywhere and boost your productivity: ChatGPT, Gemini, DeepSeek, Grok, Copilot, Claude, Llama, Qwen, Mistral AI, Perplexity, Poe, Narrow AIs and much MORE! 💖 No user information is collected by the developer
2,992 users
Audio Output Selector
Allows you to change the audio output device of <audio> and <video> elements. Requires media.setsinkid.enabled set to true in about:config!
2,979 users
Previews (For TTV & YT)
Live previews when hovering over streams on Twitch & YouTube | A bunch of quality of life improvements for TTV & YT
2,952 users
All Video Downloader Pro
1. Install Extension 2. Play video in your browser 3. Click the KV icon then click respective links to download The most popular Keepvid.site website's All Video Downloader Extension
2,945 users
ClipSave Facebook Video Downloader
ClipSave lets you effortlessly download videos in just a few clicks, ensuring high-quality media at your fingertips
2,916 users
YouTube Converter
Our YouTube Converter allows you to convert your favourite YouTube videos to MP3 or MP4 files, and download them for free.
2,896 users
Youtube to MP3 Converter & Downloader
Firefox extension to convert and download Youtube videos for free in MP3 format. This addon includes a button on any YouTube View Page and allows you to convert the YouTube Video to a mp3 file with just one click.
2,874 users
Watchmarker for Youtube
Automatically mark videos on Youtube that you have already watched.
2,800 users
最新图片下载器 - 图片批量下载工具
Browse and download images on the web 万能图片下载助手，一个超简单好用的图片下载工具、批量下载助手。可以找出当前页面的所有图片，并按分辨率、格式、链接等条件筛选图片，进行一键下载。
2,780 users
