Convert MID to WMA in bulk.
Large MID files are supported.

Max size: 200 MB per file

You can convert MID Learn more about MID files to


How to convert MID to WMA?

You can convert MID to WMA with MConverter in three easy steps:
  1. Choose MID files from your device
    At the top of this page, drag and drop your MIDs.
    You can also click to select MID files using your operating system's file chooser.
    Another method is to press Ctrl+V to paste a MID file you have copied to clipboard.
  2. Click or tap on WMA from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's WMA or something else.
  3. Download your WMA files, after MConverter has finished processing them
    There's an option to automatically download the converted WMA files, so you don't have to press the download icon for each WMA.

About the formats

Extension mid
Alternative extension midi
Category Audio/Music file formats
Developed by Sequential Circuits, MMA (MIDI Manufacturers Association)
Mime type audio/midi


A MID (or MIDI) file describes music data in the Musical Instrument Digital Interface technical standard. Unlike other audio formats like MP3, it specifies the individual music notes, their duration and loudness, as well as the instruments used. Because of that, a MIDI file may sound differently on different systems.
In order to make it consistent, you can convert it to another audio format.
Extension wma
Category Audio/Music file formats
Developed by Microsoft
Mime type audio/x-ms-wma


WMA is short for Windows Media Audio. Similarly to WMV, it is based on Microsoft’s Advanced Systems Format (ASF). WMA files can contain song metadata, such as song title, artist, and album. By default, WMA files can be played on Windows using Groove Music or the older Windows Media Player.

For greater compatibility, you may wish to convert WMA to MP3 or another audio format.

Common questions about converting MID to WMA

Can I convert MID to WMA in bulk?

Yes, MConverter supports batch converting of multiple MIDs to WMAs simultaneously. You can even drag and drop folders containing MIDs to convert to WMA.
Pasting MID files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a MID file to WMA, if its size is 1 GB?

Yes, with MConverter Premium you can convert big MIDs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert MID files over 200 megabytes, try MConverter Premium.

Is converting MIDs to WMA safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your MID files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your MIDs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,171,818 files so far.

How long does it take to convert MID to WMA?

For most audio files, the wait is usually around a minute. However, MConverter also supports converting larger audio files, meaning that it could take a while (up to over an hour, for example).
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