MP4 to M4A Converter
Convert MP4 to M4A free online. Get high-quality M4A audio you can drop into iPhone, iPad, Mac, iTunes, or Apple Music — fast, simple, no signup, no software.
Convert to M4A
Drop MP4 here or click to browse
MP4 videos, up to 500MB total
High Quality · AAC audio in an MP4 container
Need the transcript too?
Drop your M4A audio into ScriberGPT for clean text with timestamps and speaker labels.
How to convert MP4 to M4A
1. Upload your MP4
Drag and drop your MP4 video, or click to pick a file from your device. You can queue multiple videos for batch conversion.
2. Choose the quality
Pick the M4A bitrate that fits your use case — from 64 kbps for voice up to 320 kbps for music and podcast detail.
3. Convert and download
Click convert, wait a few seconds, then download your M4A file — ready for iPhone, iPad, Mac, iTunes, or Apple Music import.
Why use this MP4 to M4A converter
Made for iPhone & Mac
M4A is the audio format Apple devices use. Drop your file into iPhone, iPad, Mac, iTunes, or Apple Music and it just plays — no extra apps, no re-conversion.
Convert many at once
Drop in a whole batch of MP4s and convert them all to M4A in one go. Great for podcast back catalogs and audio archives.
Files stay private
Everything happens in your browser. Your video is never uploaded to a server, so your files stay yours.
MP4 to M4A: A Simple Guide
Convert MP4 to M4A free online and get high-quality audio that plays perfectly on iPhone, iPad, Mac, iTunes, Apple Music, Apple Watch, and CarPlay. No signup, no upload, no software to install.
What is M4A?
M4A is the audio format Apple devices love. It's the same format iTunes and Apple Music use, which means your M4A file plays straight away on any iPhone, iPad, Mac, Apple Watch, or CarPlay system — no extra apps, no setup.
Which quality preset should I pick?
You get four quality presets. 64 kbps for voice memos and small files. 128 kbps for clean speech and everyday use. 256 kbps for podcasts and music with more detail. 320 kbps for the highest quality. Higher quality means a bigger file.
How batch conversion works
Drop in a stack of MP4s and convert them all to M4A in one go, with the same quality setting. Useful for podcast back catalogs, interview archives, or any time you have a pile of videos to process.
Which MP4 files work?
The tool handles standard MP4s from phones, cameras, screen recorders, Zoom, Google Meet, editing apps, and slide tools. Locked or DRM-protected videos won't work — you'll need to unlock them first.
Why files stay on your device
Everything runs in your browser. We never upload your video to a server, so private interviews, client work, family videos, and any other private content stays yours.
How M4A compares to MP3
M4A usually sounds cleaner than MP3 at the same file size. A 128 kbps M4A often sounds as good as a 192 kbps MP3. If you want better sound at a smaller file size, M4A is the better pick.
What to check before downloading
After conversion you'll see the file name, quality, and size. If it's bigger or smaller than you wanted, just change the quality setting and convert again.
Where M4A plays besides Apple devices
M4A is best known for iPhone and Mac, but it also plays on VLC, Chrome, Firefox, Safari, Edge, Windows Media Player, most Android phones, and smart speakers. So you can send it to friends, family, or co-workers on any device.
Frequently Asked Questions
How do I convert MP4 to M4A?
Upload your MP4, pick a quality, then click Convert to M4A. When it's done, download your file from the results section.
Is M4A better than MP3?
M4A usually sounds cleaner than MP3 at the same file size. It's the better pick for iPhone, iPad, Mac, and other modern devices.
Will M4A play on my iPhone?
Yes. M4A is the audio format Apple devices use, so it plays right out of the box on iPhone, iPad, Mac, Apple Watch, and CarPlay.
Can I import M4A into iTunes or Apple Music?
Yes. iTunes and Apple Music use M4A as their main audio format, so your file imports cleanly and syncs to all your Apple devices.
Is there a file size limit?
Free conversions are capped at 50MB total per request. For bigger videos, compress or split the file first.
Do you upload my video?
No. Everything happens in your browser. Your video never leaves your device.