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FetchV vs Cat-Catch: catalog facts
FetchV	Cat-Catch
Free Free browser extension.	Free Free, with source published on GitHub.
Browser extension	Browser extension
Merges m3u8 segments into a single MP4 Recording mode for live and hard-to-download videos	Detects media resources automatically as a page loads Downloads HLS m3u8 streams
Store builds cover Chromium browsers only Closed source	Cannot save DRM-protected streams Documentation is mainly in Chinese
Browser extension	Browser extension
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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