Convert M4A to MP4 for free, right in your browser. Drop a file, wait a few seconds and download. Add a cover image and share an iPhone voice memo or audio clip on platforms that only accept video.
Yes. The M4A to MP4 Converter is free with no sign-up and no watermark. It converts on your device, so your file is never uploaded.
Convert M4A to MP4 right in your browser. Files never leave your device, so there is no upload wait and no size queue.
Optional cover image
Shown for the whole video. Leave empty for a black frame.
Drop your M4A file or tap to choose
Up to 1 GB. Converted on your device.
How the M4A to MP4 converter works: drop a file, it converts on your device, download the result.
Drag it onto the box, or tap to choose it.
Your browser decodes and re-encodes it while a bar shows progress.
Preview it, then download a file named like the original.
Voice Memos, GarageBand and most Apple podcast tools save M4A, and none of the social platforms will take it directly. Converting to MP4 with a cover image makes the recording postable as a regular video on YouTube, Instagram, TikTok or a group chat.
Your M4A already contains AAC audio, the same family MP4 video uses, so the new 192 kbps track sounds like the original memo. Spoken word in particular comes through clean, which is what matters for a story or a voice note.
Memos synced through iCloud may live only in the cloud until you open them. Tap the memo, choose Share, then Save to Files so a real copy exists on the device. Then pick it from Files in Safari on this page.
Add a photo or show cover in the image box, then convert. M4A files come from iPhone Voice Memos, GarageBand and many podcast apps, and they already use AAC audio, so the sound in the MP4 stays close to the original. Add a photo, a show cover or a simple title card and the result reads as a finished post instead of a black screen.
The converter works in Safari on iPhone, iPad and Mac, so you do not need to install an app. On iPhone, save the memo to Files first, then pick it from the upload box on this page. On a Mac, drag the M4A straight from Finder or the Voice Memos app. The finished MP4 downloads with the same name as the memo, ready for YouTube, Reels or a group chat.
In the Voice Memos app, tap the memo, tap Share and save it to Files. It is saved as an M4A. Open this page in Safari, pick the file from Files, add a cover image if you want one, and download the MP4.
Not directly. YouTube needs a video file, so convert the M4A to MP4 here with a cover image, then upload the MP4 like any other video.
Yes, once it is a video. Convert the M4A to MP4 here, add a cover image, and upload it like any other clip.
The audio is encoded as AAC at 192 kbps inside the MP4, which keeps speech and music sounding clean.
No. It converts inside your browser, on your own device. Nothing reaches FacelessGenie or any other server.
Files up to 1 GB work. Long recordings simply take longer on slower devices.
Recent Chrome, Edge and Safari handle every format here. Firefox opens most audio. For MP4 problems, Chrome or Edge is the safest retry.