# Multithreaded Download Manager

> Download manager with multithreading support.

Canonical page: [https://chrome-stats.com/d/multithreaded-download-manager](https://chrome-stats.com/d/multithreaded-download-manager)

## Overview

- **ID:** `multithreaded-download-manager`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** jingyu9575
- **Category:** download-management,other
- **Daily users:** 6,198
- **Weekly downloads:** 175
- **Rating:** 4.43 / 5 (357 ratings)
- **Version:** 3.2b8
- **Last updated:** 2022-10-17
- **First published:** 2017-11-22
- **Size:** 224 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/multithreaded-download-manager/)
- **Website:** [https://github.com/jingyu9575/multithreaded-download-manager/issues](https://github.com/jingyu9575/multithreaded-download-manager/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/multithreaded-download-manager/privacy/](https://addons.mozilla.org/firefox/addon/multithreaded-download-manager/privacy/)

## Description

The **Multithreaded Download Manager** Chrome extension enables users to accelerate their file downloads by establishing multiple simultaneous connections to the server. Depending on your network conditions, this multithreading approach can enhance download speed significantly.

To optimize performance, the extension allows adjustment of connection limits via browser settings for more than 6 threads. It ensures secure downloads by storing files in browser internal storage initially and respects your privacy by not collecting or uploading any personal data. The extension is easy to use and perfect for anyone looking to speed up their downloads while maintaining data privacy.

## Rankings

- #1,048 — Overall
- #93 — Download Management
- #150 — Other extensions
- #25 — manager
- #30 — manage
- #32 — management

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `<all_urls>`
- `downloads`
- `downloads.open`
- `webRequest`
- `webRequestBlocking`
- `clipboardRead`
- `clipboardWrite`
- `menus`
- `menus.overrideContext`
- `notifications`
- `tabs`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users praise faster downloads via multi-threading and the lack of need for extra software, but reliability problems with large files and the inability to set a custom download location are the main recurring drawbacks.

### Pros

- Speeds up downloads thanks to multi-threading.
- No extra software is required; works with Firefox's built-in downloader.
- Generally useful and well-received; many users report it as helpful and effective.

### Cons

- Reliability issues with large downloads; some downloads fail or hang during finalization.
- Cannot choose a custom download location; defaults to a standard folder or prompts at the end.

## Similar extensions and apps

- [Multithread Download Manager Optimized](https://chrome-stats.com/d/mdm-optimized) — 25 users, 3.00 / 5
- [Multithreaded Download Manager Enhanced](https://chrome-stats.com/d/mdm-enhanced) — 97 users, 4.22 / 5
- [Download Tools - Multi threaded](https://chrome-stats.com/d/multi-threaded-dm) — 24 users, 1.00 / 5
- [Download Accelerator and Manager](https://chrome-stats.com/d/download-accelerator) — 552 users, 3.64 / 5
- [Download by Free Download Manager](https://chrome-stats.com/d/download-by-fdm) — 147 users, 3.14 / 5
- [Turbo Download Manager](https://chrome-stats.com/d/turbo-download-manager) — 50,029 users, 3.88 / 5
- [Download Manager](https://chrome-stats.com/d/download_from_firefox) — 162 users, 1.00 / 5
- [Download by Internet Download Manager](https://chrome-stats.com/d/download-by-idm) — 1,243 users, 3.67 / 5
- [Threads Media Downloader](https://chrome-stats.com/d/threads-media-downloader) — 289 users, 5.00 / 5
- [Persepolis Download Manager](https://chrome-stats.com/d/persepolis-download-manager) — 4 users
- [Download Manager Plus](https://chrome-stats.com/d/download-manager-plus) — 6 users
- [Fast Native Download Manager](https://chrome-stats.com/d/fast-native-download-manager) — 1 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/multithreaded-download-manager)