Video Quality Settings for YouTube (HD/4K)
Watch YouTube in your preferred video quality, such as 720p, 1080p, 1440p and 2160p.
3 115 uživatelů
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 uživatelů
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.
3 083 uživatelů
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
3 073 uživatelů
Speaker Booster - tool for sound
Control volume of any tab, Make the all sounds of your tabs much louder. Up to 600 % sound boost.
3 055 uživatelů
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!
3 033 uživatelů
Previews (For TTV & YT)
Live previews when hovering over streams on Twitch & YouTube | A bunch of quality of life improvements for TTV & YT
2 992 uživatelů
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
2 990 uživatelů
YouTube Converter
Our YouTube Converter allows you to convert your favourite YouTube videos to MP3 or MP4 files, and download them for free.
2 951 uživatelů
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
2 939 uživatelů
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.
2 908 uživatelů
Watchmarker for Youtube
Automatically mark videos on Youtube that you have already watched.
2 838 uživatelů
Zrychlení zvuku / obrazu
Zrychluje přehrávání. Ovlivňuje všechna HTML5 videa a audio. Zrychlit: Ctrl+Shift+U | Zpomalit: Ctrl+Shift+Y Aktuální zkratky nelze změnit, aby nedocházelo ke konfliktům s důležitými funkcemi prohlížeče nebo výchozími zkratkami.
2 830 uživatelů
ClipSave - Stáhnout videa a reels z Facebook
ClipSave vám umožňuje snadno stahovat videa a reels z Facebooku několika kliknutími, což vám zajistí kvalitní média.
2 816 uživatelů
