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Preview of GrabThis Download Companion

GrabThis Download Companion by GrabThis

The Firefox companion for GrabThis, a free Windows and Linux download manager project. Capture files and choose available MP4/MP3 formats.

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About this extension
Requires the GrabThis desktop application, installed separately from https://grabthis.vercel.app/. This extension connects Firefox to the local app; it does not download files on its own.
Features:
• Automatically capture eligible file downloads.
• Choose whether to start a download in GrabThis, cancel it, or download with Firefox.
• Use a floating button on supported videos to choose available MP4 or MP3 options.
• Manage downloads with pause/resume, progress details, categories and multiple selection in the desktop app.
• Convert local videos to MP3.
• Use English, French or Arabic, with light and dark appearance.
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Permissions and data

Required permissions:

  • Exchange messages with programs other than Firefox
  • Download files and read and modify the browser’s download history
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Required data collection, according to the developer:

  • Browsing activity
  • Website content
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More information
Version
0.1.28
Size
47.63 KB
Last updated
15 days ago (Oct 28, 2026)
License
All Rights Reserved
Version History
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