StreamDL - Direct stream downloading (HLS/M3U8)

Name: StreamDL - Direct stream downloading (HLS/M3U8)
Author: Antiquete

A fast full-fledged downloader for videos or streams alike. (Supports formats like HLS, M3U8, MP4, SRT, WebVTT, TTML and more.)

Download

Install

Features & Capabilities

⚡ FEATURES

A complete download manager for streaming videos

Automatically detects running streams, videos or subtitles on many sites.
In-Extension downloading, no additional tool or software needed.
Multi-threaded stream downloading for faster performance.
Simple modern UI.
Light Mode / Dark Mode.
Play, pause or stop downloads at any time.
Supports copying download link to use in other softwares (yt-dlp, ffmpeg, etc).
Filter downloads list based on category, download state or activity.

Free/Libre, Open Source, GPL 3.0

🚩 PERMISSIONS

webRequest: Used for detecting streams, videos or subtitles on all websites.
tabs: Used for categorizing downloads by active tab.
downloads: Used for saving downloads.

Ⓒ LICENSE

GNU General Public License v3.0

🗨️ FAQ/SUPPORT

Q: Are all websites supported? A: No. Most websites work without issues in general, but some websites will still need website specific tweaks or decryption. If a website is not working be sure to add a bug report with site name on gitlab so that I can add support for it.

Q: Live streams supported? A: Not yet, but planned very soon.

Q: Light mode theme? A: Planned, no timeline yet.

Q: Support for audio files? A: Partial support is already there, full support will be coming soon.

Gitlab: https://gitlab.com/Antiquete/streamdl Bug Reports: https://gitlab.com/Antiquete/streamdl/-/work_items Website: https://antiquete.cc/

If you liked my addon, support me on Ko-fi [https://ko-fi.com/M4M8CX3K9]

User Growth & Download Statistics

Add-on

By:

Antiquete

Daily users:

132 13

Version:

1.3.1 Last updated: 2026-04-06

Version code:

6210571

Creation date:

2026-03-07

Risk:

Permissions:

Content scripts matches:

<all_urls>

Size:

789.05KB

Email:

an*****@protonmail.com

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-20

Compare stats and ranking:

Ranking

# 9,952 ▲ 536

Other rankings

#34 in stream keyword 36 ▲ 1#46 in loading keyword 25 ▲ 2#113 in trading keyword 32 ▼ 5#134 in direct link keyword 12 ▲ 2

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Antiquete

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/streamdl/

Email:

an*****@protonmail.com

Website:

https://gitlab.com/Antiquete/streamdl

Permission Change History

2026-04-07: Version 1.1.1 → 1.3.1

Add Permissions: storage

2026-03-18: Version 1.0.3 → 1.1.1

Remove Permissions: storage notifications

Is StreamDL - Direct stream downloading (HLS/M3U8) Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

StreamDL - Direct stream downloading (HLS/M3U8) requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

StreamDL - Direct stream downloading (HLS/M3U8) may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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Medium **** ********* *** ***** ** *** **** * ******* *** ********** *** *** ** ****** ** *****