FetchV - Video Downloader for m3u8 & hls
Easily save online videos such as m3u8, live streams, mp4, webm, etc. to your computer.
FetchV - Video Downloader for m3u8 & hls | Firefox Add-on
FetchV - Video Downloader for m3u8 & hls is an add-on that supports downloading streaming videos, merging and converting fragments, multiple resolutions, and concurrent downloading to improve speeds. It is particularly useful for HLS live streams and regular web videos played through m3u8, mp4, webm, etc. However, it cannot download encrypted HLS videos and temporarily occupies memory during operation.
Add-on stats
Weekly download count: 1,261
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- tabs
- webRequest
- webRequestBlocking
- storage
- http://*/*
- https://*/*
Size: 381.91K
URLs: Website
Ranking
# 765
Other platforms
Not available on Android
Not available on Edge
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Add-on summary
Features:
- Supports downloading streaming videos (HLS/M3U8 videos) and automatically merges and converts video fragments into a single MP4 file.
- Supports multiple resolutions (if provided by the target video).
- Multi-threaded concurrent downloading to improve download speeds, which is particularly useful for large files.
- Supports downloading HLS live streams.
Notes:
- This add-on cannot download encrypted HLS videos.
- This add-on only supports regular web videos (e.g., HLS videos played through m3u8, mp4, webm, etc.). It does not provide special adaptation for specific websites.
- This add-on temporarily occupies your memory during operation; the larger the downloaded content, the more memory it consumes. Memory is released after the download completes.
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Easy to use
- Fast download speeds
- Works on various streaming platforms
- Free to use
- Does not require additional add-ons
Cons
- Does not work consistently with Firefox
- Errors like Fetch Error-403 or No usable media demuxer
- Blocks downloads from YouTube
- Can only download one video at a time
- Stability issues with the new version
Most mentioned
- Works well for online streaming
- Error messages when used with Firefox
- Free and easy interface
- Fast download speed
- Compatibility issues with YouTube
User reviews
非常好用，正是我需要的，直接各种方式保存在线直播流，保留原始声音，还TM免费，不能不爱！
by Liyaxing, 2025-01-17
TOP
by Firefox user 12492935, 2025-01-08
the new version wasnt stable addon, always pause and gettin stuck. I've been using old version for 3years before and it was very good/clean and easy interface.. and without "pause", a new version its just sux
by danzai, 2025-01-03
Add-on safety
Risk impact
FetchV - Video Downloader for m3u8 & hls requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
FetchV - Video Downloader for m3u8 & hls is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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