M4V を MP4 に変換

Free online M4V to MP4 converter. Fast, secure, no signup required.

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Accepted: M4V files · Max 100 MB per file

m4v mp4

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Need to convert M4V to MP4? MegaConvert makes it easy. Upload your MPEG-4 Video (iTunes) (M4V) file and get a MPEG-4 Part 14 (MP4) file in seconds — no software to install, no signup required. Whether you need this conversion for social media, video editing, device compatibility, web streaming / archival, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert M4V to MP4 Online

1
Upload your M4V file
Click the upload area or drag and drop your M4V file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose MP4 as output format
MP4 is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your MP4 file
Once conversion is complete, click Download to save your new MP4 file. Free files are available for 1 hour.

Why Convert M4V to MP4?

**Better efficiency** — MP4 offers improved compression and quality compared to older formats, reducing file sizes while maintaining fidelity.
**Universal compatibility** — MP4 works on virtually every device, operating system, and application without additional software.
**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require MP4 format specifically. Converting ensures full compatibility.

M4V vs MP4 — Format Comparison

Feature	M4V	MP4
Full Name	MPEG-4 Video (iTunes)	MPEG-4 Part 14
Developer	Apple	Moving Picture Experts Group (MPEG)
First Released	2001	2001
Category	Video	Video
Extension	.m4v	.mp4
MIME Type	video/x-m4v	video/mp4

Re-encoding video may reduce quality. Use MKV for lossless container conversion.

About M4V Format

Apple's video container format similar to MP4, often with optional DRM protection.

Full name: MPEG-4 Video (iTunes)

Developer: Apple (2001)

About MP4 Format

Most widely used video container format supporting H.264, H.265, and multiple audio codecs.

Full name: MPEG-4 Part 14

Developer: Moving Picture Experts Group (MPEG) (2001)

よくある質問

Upload your M4V file to MegaConvert.io, select MP4 as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Apple's video container format similar to MP4, often with optional DRM protection. Developer: Apple (2001).

Most widely used video container format supporting H.264, H.265, and multiple audio codecs. Developer: Moving Picture Experts Group (MPEG) (2001).