M4A to MP4 converter
Convert M4A files to MP4 online. Free, no account needed.
Choose a file or drag it here
MP3, AAC, FLAC, OGG, WMA, AIFF, WAV, M4A (up to 200 MB)
- Input
- M4A files
- 出力
- MP4
- Limit
- Up to 200 MB
- Price
- Free, no account
Turn an idea into a video
Give Storybook a topic or an article link. It makes an illustrated video with narration and music.
How to convert M4A to MP4
- 01
Choose your M4A file
Drop it on the box or pick it from your device. The limit is 200 MB per file.
- 02
Confirm MP4
MP4 is already selected in Convert to. Select Convert, and a short security check runs first.
- 03
Download the MP4
Select Download when the conversion finishes. Download links expire after one day.
More in コンバーター
All 33 toolsWhy convert M4A to MP4?
Turn M4A audio into MP4 video for sites that only accept video.
- Why leave M4A. Some players and upload forms skip M4A files.
- Why use MP4. MP4 suits sharing, uploads, phone recordings, and web playback.
- What you get. The MP4 output contains H.264 video and AAC audio. Its picture stays black for the whole recording. The video is a black 1280 by 720 frame at 30 frames per second, with the sound from your audio file. It has no artwork, captions or waveform.
- 品質. Converting M4A to MP4 compresses the sound again to fit the video, which can lower its quality a little. It never improves the sound.
- Your rights. Convert only files you own or have permission to use.
M4A vs MP4
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M4A to MP4 questions
Yes. It is free and needs no account.
Yes. The conversion runs on Sceneform's servers, so your file is uploaded first. Uploads are deleted after processing. Download links expire after one day.
Up to 200 MB. A larger file is rejected before it uploads, with the message "Choose a file under 200 MB."
Converting M4A to MP4 compresses the sound again to fit the video, which can lower its quality a little. It never improves the sound.
No. The converter takes one uploaded file at a time. It does not read links, and it has no bitrate, resolution, trim, crop or batch controls. The MP4 output contains H.264 video and AAC audio. Its picture stays black for the whole recording.
The MP4 output contains H.264 video and AAC audio. Its picture stays black for the whole recording. The video is a black 1280 by 720 frame at 30 frames per second, with the sound from your audio file. It has no artwork, captions or waveform.
Yes, until you have checked the converted file. Open it in the app where you will use it, and compare its length and its sound or picture with the original.