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No. 94of 137 ·Video Downloaders

MediaGrabber

Windows · Mac · Linux · Extension

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Freedom report

Two barsScore 6.2

  • Runs widely3 of 6 device platforms
  • DocumentedPlans, terms and facts published

MediaGrabber is a free, open-source Chrome and Edge extension with a native companion app for downloading video. It detects HLS, DASH, direct MP4 or WebM, and MSE-blobbed streams, then lists available quality variants, audio tracks, and subtitles when provided. YouTube downloads use yt-dlp and expose formats from 144p through 4K; output is MP4. The extension shows a badge count and download progress in its popup, with optional desktop notifications. HLS and DASH conversion and YouTube downloading require the companion, which uses FFmpeg and yt-dlp. Windows release installers bundle CoApp, FFmpeg, ffprobe, and yt-dlp. The project states that it has no tracking or analytics and that only requested video files leave the machine. Releases come through GitHub rather than the Chrome Web Store. Installation requires Developer mode and loading the extracted folder as an unpacked extension. SHA256SUMS.txt files support integrity checks, and the project uses the MIT license.

Who it is for

It suits Chrome and Edge users who want a free downloader for supported web streams and YouTube. Users should be comfortable installing an unpacked extension and, for some downloads, the native companion.

What is good

  • Supports HLS, DASH, MP4, WebM, and MSE streams
  • Offers formats up to 4K for YouTube
  • Includes subtitle downloads when available
  • Reports progress in the extension popup
  • No tracking or analytics stated

What to know first

  • Requires Developer mode installation
  • Distributed through GitHub, not Chrome Web Store
  • Companion required for HLS/DASH and YouTube
  • Detection may fail on some sites

Verdict

MediaGrabber combines broad stream detection with selectable quality, subtitles, and a companion for conversions. Its GitHub-based installation and companion requirement are important considerations before use.

Compared on video downloaders

Free plan
Yes
Maximum video quality
4k
Supported sources
HLS (.m3u8), DASH (.mpd), direct MP4/WebM, MSE-blobbed video, YouTube
Output formats
MP4
Subtitle downloads
Yes
Device platforms
Chrome, Edge, Windows, macOS, Linux

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