Free online M3U to ASX converter
How to convert M3U playlists to ASX format for better compatibility with Windows Media Player.
Convert M3U to ASX online - free
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How it works
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How to convert m3u to asx file
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Understanding m3u and asx file formats
M3U is a popular playlist file format used primarily for audio and video playlists. It is a plain text file containing a list of media file locations, either as absolute paths, relative paths, or URLs. ASX (Advanced Stream Redirector) is a Microsoft playlist format based on XML, commonly used for streaming media in Windows Media Player. ASX files can include additional metadata and support more advanced playlist features than M3U.
Why convert m3u to asx?
Converting an M3U playlist to ASX is useful if you need compatibility with Microsoft media players or want to take advantage of ASX's advanced features, such as metadata support and streaming options.
How to convert m3u to asx
There is no direct built-in tool in Windows for converting M3U to ASX, but several third-party applications and online converters can help. The process typically involves importing the M3U file and exporting or saving it as an ASX file.
Recommended software for m3u to asx conversion
- Playlist Creator: A free Windows tool that can import M3U files and export them as ASX playlists. Simply use File → Open to load your M3U, then File → Save As and select ASX as the output format.
- VLC Media Player: While VLC can open both M3U and ASX files, it does not natively export to ASX. However, you can use VLC to open the M3U, create a new playlist, and save it as an ASX file using Media → Save Playlist to File and choosing ASX as the format.
- Online converters: Websites like playlist-converter.net allow you to upload an M3U file and download it as an ASX playlist.
Manual conversion method
If you have a small playlist, you can manually convert M3U to ASX by creating a new XML file and copying the media URLs or paths into the ASX structure. Here is a simple example:
<asx version="3.0">
<entry>
<ref href="http://example.com/song1.mp3" />
</entry>
<entry>
<ref href="http://example.com/song2.mp3" />
</entry>
</asx>
Summary
Converting M3U to ASX is straightforward with the right tools. Playlist Creator and online converters are the easiest options, while manual conversion is possible for small playlists or custom needs.
Note: This m3u to asx conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
M3U vs ASX: format comparison
How the M3U and ASX formats compare on the properties that matter most for this conversion.
| Property | .M3U M3U playlist | .ASX Advanced Stream Redirector |
|---|---|---|
| Compression | Uncompressed | Uncompressed |
| Metadata support | Basic | Basic |
| Streaming | Partial | Yes |
| DRM protection | No DRM | — |
| Opens in a web browser | Partial | No |
| Typical file size | Very small | Very small |
| Open standard | Partly open | No |
| Best used for | Music | Streaming |
| Introduced | 1996 | — |
| Developer | — | Microsoft |
| MIME type | audio/x-mpegurl | video/x-ms-asf |
Frequently asked questions
Is the M3U to ASX converter free?
Yes, converting M3U to ASX on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my M3U file be?
You can upload M3U files up to 2 MB and convert up to 100 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert M3U to ASX?
No. The M3U to ASX conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid M3U file for this M3U to ASX conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.