M4A to WMA Converter (.m4a to .wma)

Convert MPEG-4 Audio (Apple Voice Memos & iTunes) (.m4a) files to Windows Media Audio (.wma) directly on your device. M4A is commonly used for converting iphone voice memos (`.m4a`) to `.mp3` or `.wav` for editing and sharing, while WMA is ideal for converting digital dictaphone recordings and old windows media music libraries to mp3 or wav. Every conversion runs locally in your browser with zero server uploads.

100% On-Device Processing • Files Never Leave Your Browser (0 KB Uploaded)

Why Convert M4A to WMA Locally?

Personal voice memos and recorded meetings never leave your browser. Unlike cloud converters that upload your .m4a files to remote servers, Artoons processes your files directly on your device.

How to Convert M4A to WMA

  1. Download the free Artoons Desktop App to enable the native M4A conversion engine.
  2. Drop your .m4a files or folders into the queue and select WMA (.wma).
  3. Click Convert to save your .wma files locally with no file size limits.

Frequently Asked Questions

Do my M4A files ever get uploaded anywhere?

Never — 100% of the conversion runs locally inside your own device memory with 0 KB sent over the network.

Will M4A to WMA look or sound worse?

Both M4A and WMA keep crisp detail when swapped locally on your own hardware. You can also tweak output quality in Preferences anytime.

How big of a .m4a file can I convert here?

Runs directly in the browser up to 200 MB with zero server round-trips.

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