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Stacher vs cobalt: catalog facts
Stacher	cobalt
Freemium The yt-dlp GUI is free without limits; optional Stacher Premium supports the project.	Free The open-source software is available without a license fee.
Windows, macOS, Linux	Web, Self-hosted
Point-and-click access to yt-dlp options Can install and manage yt-dlp and ffmpeg	One paste box, no account, no advertising and no bundled installer Can be self-hosted so downloads do not depend on a public instance
Linux builds target Debian-based distributions Relies on third-party yt-dlp and ffmpeg	Supported services vary by instance and change over time Public instances are rate limited
Downloadable app	Web application, Self-hosted
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.