Audio tool

Convert M4A Files to WavPack on Your Device

Convert M4A to WavPack in your browser for flexible lossless storage. The source remains on your device throughout local processing.

Route M4A → WV

or drop here · up to 500 MB

Max 50 MB per file

Preview (optional)

When your browser supports it, your audio plays here. You can still convert your file if preview does not load.

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Use upload name

Adapt everyday audio delivery to a workflow built for flexible lossless storage
Supply WavPack when an editor, player, or delivery form will not accept M4A
Create a WavPack copy from M4A for specialist archives and compatible music players

Processing demand varies with the codecs found in the source during this M4A-to-WavPack job.
Large M4A inputs may take several minutes on older hardware.
Compare the WavPack duration with the source before publishing.

WavPack serves specialist archives and compatible music players, whereas M4A commonly serves Apple devices, podcasts, and compact music files.
For M4A-to-WavPack delivery, plan for limited consumer-device support.
After leaving M4A, the receiving app must support the streams encoded inside WavPack, not only its extension.

M4A to WavPack taking too long? Try a small source first to separate a performance issue from a format issue.
WavPack converted from M4A not opening? Test a compatible player and inspect the output streams.
If WavPack is rejected, compare its codec and stream settings with the destination specification.

When does M4A to WavPack conversion make sense?

It is useful when M4A media created for everyday audio delivery must enter a WavPack system designed for flexible lossless storage.

Where is the M4A source processed?

The browser prepares WavPack from M4A on this device instead of sending the source to a remote conversion server.

How can I approve WavPack converted from M4A?

Test the WavPack file in the receiving app and compare duration, channels and loudness with the M4A source.

Quick use cases