Flux - Download Manager by Voxexo
Send files and detected video/audio to the free Flux desktop app. Desktop app required.
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About this extension
Flux - Download Manager · 2.6.6
Requires the Flux desktop application 2.6.0 or later.
Flux connects Firefox to the free, open-source Flux desktop download manager.
DESKTOP APPLICATION REQUIRED
This extension does not download files on its own. Install and open Flux 2.6.0 for Windows x64 or Linux x86_64:
https://github.com/Hactor00/Flux/releases/latest
There is no macOS or Android desktop companion package in this release.
FEATURES
• Send file links to Flux from the popup or the context menu.
• Find accessible video/audio, HLS and DASH sources and choose available quality options.
• Show, hide, move and dismiss compact in-page media download controls.
• Select multiple page links and send them to the desktop queue.
• Optionally hand browser downloads over to the desktop application.
• See connection status, pending transfers and newer Flux release notices.
• Use the redesigned popup and settings in light, dark or system theme.
GETTING STARTED
1. Install or extract the full Flux desktop package and open Flux.
2. Install this Firefox extension.
3. In the extension settings, enable local data transfer to Flux and grant the requested site permissions.
4. If needed, use Flux Settings → Browser integration → Repair browser bridge.
5. Open the popup to check the connection. Play accessible media on a page to discover its sources.
The desktop app manages the download queue, parallel transfers, source-supported pause/resume, media processing and torrents.
Send selected download URLs, page titles and required cookies or authorization headers to Flux on this computer. Flux uses them only to download the selected file; no analytics are sent. You can withdraw this permission here.
Media availability depends on what the source website exposes to your browser. Flux does not bypass DRM, CAPTCHA or access restrictions. Download only content you are permitted to save.
Free and open source under the MIT license.
Website: https://fluxdownload.org
Source and support: https://github.com/Hactor00/Flux
Report a problem: https://github.com/Hactor00/Flux/issues
Flux Desktop 2.6.6 · Usage statistics
Would you like to share basic usage statistics to help us improve Flux? Sharing is optional and can be turned off at any time. Only a random installation ID, UTC activity date, app version, operating system and notice version are sent to fluxdownload.org while the app is in use, at most once per day. No download links, filenames, contents, name or email are sent. Records are kept for 35 days. The host receives your IP and may log it. Turning sharing off requests deletion. This measures consenting installations, not exact people. Details and contact are in the privacy notice.
https://fluxdownload.org
Requires the Flux desktop application 2.6.0 or later.
Flux connects Firefox to the free, open-source Flux desktop download manager.
DESKTOP APPLICATION REQUIRED
This extension does not download files on its own. Install and open Flux 2.6.0 for Windows x64 or Linux x86_64:
https://github.com/Hactor00/Flux/releases/latest
There is no macOS or Android desktop companion package in this release.
FEATURES
• Send file links to Flux from the popup or the context menu.
• Find accessible video/audio, HLS and DASH sources and choose available quality options.
• Show, hide, move and dismiss compact in-page media download controls.
• Select multiple page links and send them to the desktop queue.
• Optionally hand browser downloads over to the desktop application.
• See connection status, pending transfers and newer Flux release notices.
• Use the redesigned popup and settings in light, dark or system theme.
GETTING STARTED
1. Install or extract the full Flux desktop package and open Flux.
2. Install this Firefox extension.
3. In the extension settings, enable local data transfer to Flux and grant the requested site permissions.
4. If needed, use Flux Settings → Browser integration → Repair browser bridge.
5. Open the popup to check the connection. Play accessible media on a page to discover its sources.
The desktop app manages the download queue, parallel transfers, source-supported pause/resume, media processing and torrents.
Send selected download URLs, page titles and required cookies or authorization headers to Flux on this computer. Flux uses them only to download the selected file; no analytics are sent. You can withdraw this permission here.
Media availability depends on what the source website exposes to your browser. Flux does not bypass DRM, CAPTCHA or access restrictions. Download only content you are permitted to save.
Free and open source under the MIT license.
Website: https://fluxdownload.org
Source and support: https://github.com/Hactor00/Flux
Report a problem: https://github.com/Hactor00/Flux/issues
Flux Desktop 2.6.6 · Usage statistics
Would you like to share basic usage statistics to help us improve Flux? Sharing is optional and can be turned off at any time. Only a random installation ID, UTC activity date, app version, operating system and notice version are sent to fluxdownload.org while the app is in use, at most once per day. No download links, filenames, contents, name or email are sent. Records are kept for 35 days. The host receives your IP and may log it. Turning sharing off requests deletion. This measures consenting installations, not exact people. Details and contact are in the privacy notice.
https://fluxdownload.org
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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:
- Authentication information
- Browsing activity
- Website content
More information
- Add-on Links
- Version
- 2.7.0
- Size
- 171.52 KB
- Last updated
- 17 days ago (Oct 26, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection