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VideoCacheView vs MediaGo: catalog facts
VideoCacheView	MediaGo
Free Freeware from NirSoft, free to use and redistribute unmodified.	Free The project describes MediaGo as free and provides a free MIT-licensed release.
Windows	Windows, macOS, Linux, Web, Self-hosted, Browser extension
Scans several browsers' caches in one pass Copies cached videos out for later playback	Detects video resources on web pages and supports over a thousand sites through yt-dlp. Converts downloaded videos to other formats and includes a video player.
Cannot merge YouTube's separate video and audio streams Firefox must be closed before its cache is written to disk	The project says it is for learning and research purposes and prohibits commercial or illegal use.
Downloadable app	Downloadable app, Self-hosted, Browser extension
Closed source	Open source
License: Freeware	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 October 8, 2026	Official website Full listing and sources Checked October 4, 2026

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