Open Source JavaScript Video Downloaders

Open source, cross-platform, unofficial YouTube Music Desktop App with built-in ad blocker and downloader. Native look & feel, aims at keeping the original interface. Framework for custom plugins: change YouTube Music to your needs (style, content, features), enable/disable plugins in one click. Install the youtube-music-bin package from the AUR. For AUR installation instructions, take a look at the wiki page. Block all ads and tracking out of the box. Apply compression to audio (lowers the volume of the loudest parts of the signal and raises the volume of the softest parts) Next/Back navigation arrows directly integrated in the interface, like in your favorite browser. Allows setting global hotkeys for playback (play/pause/next/previous) + disable media osd by overriding media keys + enable Ctrl/CMD + F to search + enable Linux mpris support for media keys + custom hotkeys for advanced users.

A cross-platform GUI for youtube-dl made in Electron and node.js. Download from all kind of platforms: YouTube, vimeo, twitter & many more. Download multiple videos/playlists/channels in one go. Select the resolution and format you want to download in. Download private videos (currently only tested on YouTube). Multithreaded, up to 32 videos can be downloaded synchronously. Shows how much size the download will use up on your system. The app automatically keeps ytdl up-to-date. Please be aware that this app is only tested on windows, linux and macOS. If you decide to build for another platform/archtype it may or may not work. Builds other than those available in the releases come with absolutely no support.

Cobalt is an open-source media downloader and tool designed to provide a high-performance and privacy-focused alternative for interacting with online media content, particularly focused on downloading and processing media from various platforms. It emphasizes speed, reliability, and a clean user experience, allowing users to retrieve media without unnecessary tracking, ads, or intrusive elements commonly found in web-based tools. The project is built with performance in mind, leveraging efficient backend processing to handle requests quickly and consistently. It also prioritizes user privacy by avoiding data collection and minimizing external dependencies. Cobalt is designed to be simple yet powerful, offering a streamlined interface while still supporting a wide range of media sources and formats. Its architecture allows for easy deployment and customization, making it suitable for both personal use and integration into larger systems.

The most advanced downloader & converter tool that combines the power of leading open-source technologies under an intuitive GUI. Download videos, Audio, from 10000+ of sites, and also files from any platform with advanced format conversion capabilities. Features a built-in browser with JavaScript injection support that remembers logins while maintaining complete privacy. Five powerful tabs streamline your workflow: Home tab for pasting URLs, channels, playlists, and direct search; Browser tab for seamless web navigation; Downloads tab with resume/cancel support and download history; Utilities tab offering lossless conversion for all file formats plus URL analysis tools; Settings tab for proxy configuration, search limits, download engine selection, and advanced customization. Experience lightning-fast downloads, universal format support, and privacy-focused browsing in one revolutionary application. Perfect for content creators, researchers, media enthusiasts and anyone who demand.

Cross browser userscript to download videos from YouTube in various formats and sizes available. Find size of videos before downloading (http://pradip.x10.mx/index.php/download-details/36/Helper) Check Readme.txt in Files section for installation instructions.

Grabbit is a desktop video downloader for Windows. Download videos and audio from YouTube, TikTok, Instagram, Facebook, Twitter and more — up to 4K/8K quality. Includes a Chrome Extension to grab videos directly from your browser. No cloud, no account needed. Free tier available. Pro plan from $8.99/month.

A PHP and JavaScript/Ajax written youtube video downloader script with on-demand server conversion. Supported filetypes are mp3, flv and many more coming soon.

A simple Mp3 downloader for MacOS. Have you ever wanted to download youtube music on your mac? With Youtube Mp3 Downloader OSX you can download music easily, safely, and free to your mac. Our software is entirely free and has no hidden drawbacks.