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.

Add-on stats

Users: 7,994 ▲ 19
Version: 3.2b8 (Last updated: 2022-10-17)
Creation date: 2017-11-22
Weekly download count: 367
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

Other platforms

Not available on Chrome
Not available on Edge
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Add-on 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

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 significantly
  • Easy to use with no additional software required
  • Low CPU load while downloading
Cons
  • Fails for very large files (e.g., 20GB or more)
  • Issues with download location management (downloads to cache before moving)
  • Stopped working or only uses one thread after updates
Most mentioned
  • Speed enhancement
  • Problems with large files
  • Download location management issues
Recent reviews
Çok hızlı indiriyor!
by Fexed, 2024-11-17

Straight up doesn't do shit

by Subtilt, 2024-10-12
View all user reviews

Add-on safety

Risk impact

Multithreaded Download Manager requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

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

Upgrade to see risk analysis details