Video Downloader - MPMux
Downloads online videos including MP4, HLS, and live streams, merging fragments into MP4 without third-party tools.
What it does
Permissions and access
Taken from the extension's own manifest file inside the package. The store listing does not spell this out, so it is worth reading before you install.
| Permission | What it allows |
|---|---|
declarativeNetRequest | Block or modify network requests |
storage | Store its own settings and data |
tabs | See the addresses and titles of your open tabs |
webRequest | Watch your network requests |
Requests 4 permissions — extensions doing the same job average 3.5.
Technical details
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Description
Video Downloader - MPMux is a browser extension designed to help users save online videos in formats such as MP4, M3U8, HLS, and live streams. Unlike many other video downloader extensions, it specializes in handling HLS (HTTP Live Streaming) content, which is widely used by modern streaming platforms. The extension can convert HLS streams into a single MP4 file directly within the browser, eliminating the need for third-party software or manual merging of video fragments.
Features
- Broad Compatibility: Supports popular online video formats including MP4, WEBM, and HLS streams. This makes it suitable for a wide range of websites that use these formats for video delivery.
- Optimized for Large File Downloads: Uses concurrent request technology to download multiple parts of a video simultaneously, resulting in faster download speeds for large files. This is particularly useful when saving high-resolution or lengthy videos.
- Video Recording Feature: For streams that cannot be directly downloaded due to technical restrictions (e.g., DRM or non-standard protocols), the extension includes a recording function. This allows users to capture the video as it plays, providing a fallback option for otherwise inaccessible content.
- No Third-Party Tools Required: When downloading streaming videos, the extension automatically merges video fragments (such as TS segments from HLS) and outputs them as a complete MP4 file. This streamlines the process and ensures the final file is ready for playback without additional conversion steps.
- Regular Updates and Maintenance: The extension is continuously improved to adapt to changes in web technologies and video delivery methods. Bug fixes and feature enhancements are released periodically to maintain compatibility and performance.
- Security and Privacy: The extension does not collect any user information or store download data. All processing occurs locally within the browser, ensuring that user activity remains private and secure.
In summary, Video Downloader - MPMux is a practical tool for anyone who needs to save online videos, especially those using HLS or live streaming. Its ability to handle fragmented streams without external tools and its focus on speed and privacy make it a reliable choice for everyday use.
Extensions that do the same job
Matched by what these extensions actually do, not by store category, and sorted so the ones asking for the least access come first.
| Extension | Site access | Permissions | Users | Rating |
|---|---|---|---|---|
| Video Downloader - MPMux — this page | All sites | 4 | 200K | 4.9★ |
| BetterTTV | Limited | 2 | 3M | 4.6★ |
| Looper for YouTube | Limited | 1 | 400K | 4.6★ |
| Subtitles for Language Learning (Prime Video) | Limited | 3 | 100K | 3.8★ |
| CocoShot: Screenshot & Screen Recorder | Limited | 4 | 70K | 4.9★ |
| EasySubs - Learn languages by watching films and series | Limited | 3 | 4K | 4.3★ |
| YouTube Fast Fullscreen Toggle | Limited | 0 | 3K | 4.6★ |
Want the same thing with less access? BetterTTV, Looper for YouTube, Subtitles for Language Learning (Prime Video) ask for fewer permissions than this one.
Store data last checked August 14, 2026.