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Size up to 100 MB
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Drag & drop your M4A file or click the + button to upload it; 
Wait a few seconds while our tool converts your audio; 
Download your WAV file. It’s also saved to your account. 
M4A is Apple’s default audio format, used by iTunes, Voice Memos, and most iOS recordings. While it sounds great for everyday listening, M4A uses lossy compression that can limit what you do in a professional audio editor. Our online audio converter m4a to wav gives you lossless audio that’s ready for editing, mixing, or archiving. You can change m4a to wav whenever you need the full, uncompressed version of your recording, and the process is fully automatic.
An M4A to WAV converter takes your Apple audio files and re-encodes them as WAV. M4A (MPEG-4 Audio) typically uses AAC compression, while WAV stores audio in an uncompressed format. Converting m4a to wav gives you a lossless file that’s compatible with every audio editor and media player.
Since our tool runs entirely online, you can convert M4A files on a Mac using Safari, Chrome, or any other web browser. Just open this page, drag your M4A file into the upload area, and download the WAV when it’s ready. There’s nothing to install and no compatibility issues to worry about.
Neither is universally better — they serve different purposes. M4A uses compression to produce much smaller files, making it ideal for everyday listening and storage. WAV is uncompressed and preserves the full audio signal, making it the standard for professional editing and production. If you need to edit, mix, or archive audio, WAV is the better choice.
Converting m4a to wav expands the compressed audio into an uncompressed format. The WAV file will sound identical to the M4A original — it won’t add quality that wasn’t in the source, but it also won’t lose any. This makes the WAV version ideal for editing, since audio editors work best with uncompressed files.
M4A uses AAC compression to store audio in smaller files (typically 3–10 MB per song), which is why Apple uses it as the default format for iTunes and iOS. WAV stores audio uncompressed, resulting in much larger files (typically 30–50 MB per song) but preserving every detail of the original recording. Choose M4A for everyday listening, WAV for editing and production.
Yes. Apple’s Voice Memos app records in M4A format by default. You can upload these files directly to our converter and get a WAV version in seconds. This is particularly useful if you need to edit the recording in professional audio software that works best with uncompressed audio.
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