Open Source JavaScript Video Downloaders

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.

Pear Desktop is a free, open-source desktop application that enhances YouTube Music with additional features, customization options, and a native desktop experience. Built with Electron, the software provides a dedicated music player for Windows, macOS, and Linux, allowing users to access YouTube Music without relying on a traditional web browser. Pear Desktop includes a plugin system that enables users to extend the music player with additional functionality, interface modifications, and personalized playback features. The application supports custom CSS themes, allowing users to change the appearance of the interface and create a more personalized listening environment. Developers can build custom plugins using TypeScript and JavaScript to modify the application's behavior, integrate additional features, and interact with the YouTube Music player. Designed for music enthusiasts and developers, Pear Desktop combines YouTube Music's streaming capabilities with a desktop experience.

Video DownloadHelper CoApp is a free, open-source companion application developed to extend the capabilities of the Video DownloadHelper browser extension. It provides operating system functions that browser extensions cannot access directly. The application enables supported browsers to save downloaded media files through a native file-writing interface. It also includes FFmpeg functionality for video conversion and processing. Users can launch downloaded media through their operating system's default video player. Communication between the browser extension and companion application uses the native messaging protocol. The software was distributed for Windows, macOS, and Linux. Development ended in December 2025 because Video DownloadHelper version 10 no longer requires a separate companion application.

Velox is an open-source desktop download manager for macOS and Windows. It speeds up supported downloads by splitting them into parallel connections (up to 32), with pause and resume plus recovery after an app restart. Keep a local download history, configure connection settings, and send links from Chrome, Edge, or Brave with the Velox browser extension. Browser-assisted downloads are experimental and may not work on every site. Install the Velox Browser Integration extension from the Chrome Web Store: https://chromewebstore.google.com/detail/velox-browser-integration/fghoiobfogfmjnhklgpbagdgknldfmll

ytDownloader is a modern, open-source desktop application designed for downloading videos and audio from hundreds of online platforms. Built with a clean graphical interface, it simplifies the process of saving content from sites like YouTube, Facebook, Instagram, and TikTok. The tool leverages powerful technologies such as yt-dlp and FFmpeg to deliver fast and reliable downloads with high-quality output. It supports multiple operating systems, including Windows, macOS, and Linux, making it accessible to a wide range of users. In addition to downloading, ytDownloader offers advanced features like video compression and subtitle handling. Overall, it provides a flexible, ad-free solution for managing and converting online media content.

AppGrabbit is a Windows 10/11 app that downloads, transcribes and converts videos and enhances images with AI on your own computer. Paste a link from YouTube (videos, Shorts, playlists), TikTok, Instagram, Facebook, X, Pinterest, Twitch or SoundCloud and the file lands in your folder in the quality you pick, up to 4K, or straight as ProRes or DNxHR for editing. Turn any video or your own recording into a clean .txt with a prompt for ChatGPT, Claude or Gemini, transcribed on your PC with Whisper, nothing uploaded. New in 3.3: enlarge photos, logos and drawings x2 or x4 with AI on your graphics card, and turn a logo or drawing into an SVG vector for print, Cricut or Canva, with a free preview. No account, no ads. Free plan: 5 credits a month, 1 more every 48 hours when you run out. Pro: USD 8.99 a month; passes of 2 days (USD 2.99) or 7 days (USD 3.99), no renewal.

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.

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.

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.