Multithreaded Download Manager

Multithreaded Download Manager

Download manager with multithreading support.

What is Multithreaded Download Manager?
"Multithreaded Download Manager" is a Firefox extension that allows downloading files with multiple concurrent connections to the server. This method could potentially increase download speed depending on the network condition. Extra configurations and sufficient disk space are required for optimal performance. The extension ensures user data privacy.
Merlin
Stats
Rating: 4.47 (338)
Version: 3.2b8 (Last updated: 2022-10-17)
Creation date: 2017-11-22
Weekly download count: 268
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • storage
  • unlimitedStorage
  • <all_urls>
  • downloads
  • downloads.open
  • webRequest
  • webRequestBlocking
  • clipboardRead
  • clipboardWrite
  • menus
  • See more
Size: 228.94K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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Merlin
Summary

This extension can download files with multiple connections to the server. Depending on the network condition, this may increase the download speed.

First steps:

  • If more than 6 threads are needed, open about:config, and increase the values of "network.http.max-persistent-connections-per-server" and "network.http.max-persistent-connections-per-proxy".
  • Make sure there is enough disk space. The files need to be first downloaded to Firefox's internal storage.
This extension does not collect or upload your data. The required permissions are explained in Privacy and Permissions.
User reviews
User reviews summary
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
  • Increases download speed
  • Low CPU load
  • Well thought out and functional
Cons
  • Fails for very large files
  • Issues with download folder selection
  • Stops working for some users
Most mentioned
  • Increased download speed
  • Issues with large files
  • Issues with download location selection
Recent reviews
It's good but fails for very large files, ie 20GB or more. After the download, firefox starts saving it, but it gets stuck halfway.
by turgut kalfaoglu, 2024-03-30

Works perfect
by Harry Grey, 2024-03-24

by Matthew, 2024-03-17
View all user reviews
Safety
Risk impact

Multithreaded Download Manager is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Multithreaded Download Manager if you trust the publisher.

Risk likelihood

Multithreaded Download Manager has earned a fairly good reputation and likely can be trusted.

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Screenshots