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yt-dlp vs YoutubeDownloader: catalog facts
yt-dlp	YoutubeDownloader
Free Released into the public domain under the Unlicense; there is nothing to buy.	Free Free and open source, with development funded by community donations.
Windows, macOS, Linux, Command line	Windows
Supports thousands of sites, listed in the project’s own supportedsites page Fine-grained format selection, subtitle, thumbnail and metadata embedding	Downloads full playlists as well as single videos Runs locally as a desktop app instead of an ad-supported website
Command line only; the graphical tools around it are separate projects Merging separate video and audio streams needs FFmpeg installed	Limited to YouTube Depends on YouTube's site behaviour, which can change and break downloads
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 2, 2026

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