Crate Digger
Made with MiniMax Music 3.0 · A beat to load into your editor
PromptClassic boom-bap hip-hop beat, dusty kick and snare, chopped soul sample, deep bass, head-nod groove, 90 bpm


Free · no upload · 44.1 or 48 kHz
Choose an M4A file, pick a sample rate and download a WAV. Your file stays on your device the whole time, and there's no account or watermark.
Converted on your device, never uploaded
Updated ·![]()
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by the Kenerate AI team
On this page
Quick answer
Updated

To convert M4A to WAV, choose your file in the tool above, pick 44.1 or 48 kHz, then press Download WAV. The conversion runs in your browser, so the file is never uploaded. It's free with no account. Files can be up to 60 MB, about an hour of 128 kbps M4A, and the result is a 16-bit WAV. Expect it to be about 11 times bigger, with no gain in sound quality.
Listen first
Real AI generations from the Music Studio. These are MP3s, which the converter also opens.
Made with MiniMax Music 3.0 · A beat to load into your editor
PromptClassic boom-bap hip-hop beat, dusty kick and snare, chopped soul sample, deep bass, head-nod groove, 90 bpm
Made with Ken Music 1.5 · A soft bed for a podcast
PromptBossa nova, nylon-string guitar, soft brushes, flute melody, warm and breezy, Rio beach afternoon, 124 bpm
Made with MiniMax Music 3.0 · A drop for a short video
PromptBig-room EDM festival track, huge build-up, massive drop with punchy kick and lead synth, crowd energy, 128 bpm
How to
Step 1
It can be up to 60 MB, and it opens on your device.
Step 2
44.1 kHz for music, 48 kHz for video.
Step 3
Press Preview to check it's the right file. The tool shows the length and the WAV size.
Step 4
It saves with the same name and a .wav ending. Your M4A isn't changed.
See it in the app

Open Music Studio and pick a song from a prompt, a song from your lyrics, or an instrumental.

Write the genre, mood, instruments and tempo, or tap a genre chip and Ideas to get started.

Keep Ken Music as the model and choose a quick clip or a full song of up to about three minutes.

Press Make to create the track — it appears in your tracks when it is ready.

Open a finished track with its cover art to play it, download it or use it in a video.
Prompt & lyrics to song, instrumentals, models, your tracks & chat
Chapters
Engines
Facts from the app's engine list, for when you'd rather make a track than convert one.

ElevenLabs
Best for
Set the exact duration; clean studio mix

Kenerate
Best for
Quick clips — hooks, jingles, intros

Kenerate
Best for
Default engine: full songs with vocals in any language; can take an image as inspiration

MiniMax
Best for
Follows [Verse]/[Chorus] section tags closely
Prompt recipe
Open any of these in the Music Studio if you need a new track instead of a converted one.
Podcast intro
Short warm podcast intro, soft electric piano, light drums, friendly and confident, clean ending
Video bed
Gentle background music for a product video, soft plucked guitar, light percussion, steady and calm
Game loop
Cheerful 8-bit game loop, simple square-wave melody, steady beat, loops cleanly
Phone hold music
Light, friendly hold music, soft vibraphone and brushed drums, even volume throughout
Tips
A few things that save a second try.
Keep your M4A. It's much smaller, and the WAV can be remade at any time.
Check the size shown in the tool before downloading a long file.
Need only part of the file? Use the audio trimmer, which also saves a WAV.
If a file won't open, try another browser or the ffmpeg command on this page.
Only convert audio you have the right to use.
FAQ
10 questions
Choose your file in the converter at the top of this page, pick a sample rate, then press Download WAV. It's free, with no account and no watermark.
Link to this answerNo. Your browser decodes the file and builds the WAV on your device, so the audio never reaches our servers.
Link to this answerNo. Most M4A files use AAC, which is lossy, and detail removed when the M4A was made can't come back. The WAV holds exactly what the M4A could play, in a bigger file that editors handle easily.
Link to this answerVery little, and nothing you'd normally hear. The WAV is 16-bit and isn't compressed again. If your chosen rate differs from the file's rate, the audio is resampled to match.
Link to this answerUse 44.1 kHz for music and 48 kHz for video, unless an app or a person has asked for something else. Neither adds detail to the file.
Link to this answerWAV is uncompressed. A stereo file at 44.1 kHz takes about 10.6 MB per minute, while a 128 kbps M4A takes about 1 MB per minute. At 48 kHz it's about 11.5 MB per minute.
Link to this answerM4A is a container, so the audio inside can vary. Apple Lossless failed in Edge when we tested it, while ordinary AAC files worked. Protected .m4p files, from older iTunes purchases, are encrypted and won't open here. For Apple Lossless, try ffmpeg: ffmpeg -i input.m4a output.wav
Link to this answerNo, this tool handles one file at a time. For a big batch, a desktop tool such as ffmpeg will be quicker.
Link to this answerNot with this tool, which always saves a WAV. Use our M4A to MP3 converter for that. It also runs on your device, and you can pick 128, 192 or 320 kbps.
Link to this answerUp to 60 MB. In Edge on a Windows desktop, a one-hour M4A of 58.4 MB opened in about 5 seconds and made a 635 MB WAV. We haven't measured phones, which have less memory, so long files may fail there.
Link to this answerIn depth
What works, what to avoid, and how the pieces fit.
M4A is the usual ending for audio-only MPEG-4 files [1]. It's a container rather than a codec, and the audio inside is most often AAC, which is compressed and lossy. WAV normally holds plain uncompressed PCM audio, so almost any editor or sampler can read it without decoding.
That's the main reason to convert. Some editing software, samplers and upload forms ask for WAV, and the conversion gets you past that. It doesn't make the recording sound better.
When you choose a file, the browser reads it from your disk and decodes it to raw audio in memory, using the Web Audio API [2]. The tool then writes those samples out as a 16-bit WAV. No part of it is sent anywhere, and closing the tab clears it.
The decoder resamples audio to the rate it's asked for [3], which is how the 44.1 and 48 kHz choice works. The WAV keeps mono files mono. A surround file keeps only its first two channels.
We timed the tool on 4 November 2026 in Edge on one Windows desktop, using generated test files. Your times will differ, and we haven't measured phones, Safari, Firefox or Chrome.
This converter suits one file you want to keep private. Use something else in these cases:
Keep going
By the Kenerate AI team·Last updated and reviewed
We build and run the Kenerate Music Studio. Every demo on this page is a real output of the engine named on it, made from the prompt shown; engine facts were checked against the app's code.
Sources: FFmpeg documentation

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