Downloader
Video, audio, subtitles, and playlists with quality selection before download.
Thunder brings a downloader, media player, converter, and practical tools together in one fast app.

Everything you need
From a link to a finished file, Thunder handles downloading, processing, playback, and organization.
Video, audio, subtitles, and playlists with quality selection before download.
Local files, YouTube, HLS, queues, and playlists in a non-blocking player.
System media keys, metadata, and playback control.
Audio and video conversion powered by managed FFmpeg.
Interface
A clean workflow, clear states, and full control without cluttered panels.



More than a downloader
Queue, quality choices, subtitles, and quick actions.
Practical presets and precise output control.
Video, music, HLS, and multiple audio tracks.
Hashes, Media Inspector, file sorting, and Backup.
Remote access to essential download workflows.
Search, filters, repeat actions, and export.
Playlists, an Up Next queue, and local folders.
Tray, Dock, file associations, and shortcuts.
yt-dlp
Source support evolves with yt-dlp. Advanced previews are optimized primarily for YouTube.
Availability
The site selects the right build for your system. Every file comes directly from the official GitHub Release.
What’s new
Release history stays in sync with official GitHub publications.
FAQ
Quick answers before installing. Find details in the documentation.
Thunder is distributed through the official GitHub repository. Licensing terms will be published separately.
Thunder uses yt-dlp, so the effective source list depends on its current version.
Current macOS builds are not signed or notarized. Download the DMG only from the official release and verify the published SHA-256.