How do I convert M4V to MP4 online?

Upload your M4V file, adjust CRF if needed, and click Convert to MP4. When processing finishes, download the MP4 file.

Is this M4V to MP4 converter free?

Yes. You can convert M4V to MP4 online for free in your browser.

Are my videos uploaded to a server?

No. Conversion runs locally with FFmpeg WebAssembly. Your M4V and MP4 files stay on your device.

M4V vs MP4 — what is the difference?

Both are MPEG-4 related containers. M4V is Apple’s variant and may not play everywhere; MP4 is more universal. This tool re-encodes to a standard H.264/AAC MP4.

Can I convert MV4 to MP4?

Yes — “MV4” is a common typo for M4V. Upload your .m4v file here and convert to MP4.

Do DRM-protected iTunes videos work?

No. Encrypted or DRM-protected M4V files cannot be converted in the browser. Use unprotected M4V exports.

What is the file size limit?

M4V files up to 200 MB are supported for reliable in-browser conversion.

Drop M4V video here or

First run downloads FFmpeg (~25 MB) once in this browser. DRM-protected iTunes videos cannot be converted. Need MOV instead? Try /mov-to-mp4.

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M4V to MP4 converter online free

Convert M4V to MP4 online free in your browser. Turn Apple .m4v videos into H.264 MP4 with adjustable quality — no server upload required.

What is an M4V to MP4 converter?

An M4V to MP4 converter turns Apple M4V videos (.m4v) into standard MP4 for wider playback on Windows, Android, editors, and social apps. People search convert M4V to MP4, .m4v to mp4, or M4V to MP4 converter when a player rejects M4V. This free tool runs locally with FFmpeg WebAssembly — no server upload.

M4V to MP4 converter features

Browser-based M4V to MP4 conversion with privacy-first processing.

Convert M4V to MP4 online
Upload a .m4v file and download a compatible MP4 in your browser.
Apple M4V support
Works with common iTunes / QuickTime-style M4V exports (non-DRM).
Adjustable output quality
Tune H.264 CRF to balance visual quality and MP4 file size.
No server upload
FFmpeg WebAssembly processes video on your device for better privacy.
Web-ready MP4
Output uses H.264, optional AAC, and faststart for broad playback.

How to convert M4V to MP4 online

Convert an M4V file to MP4 in three steps.

Upload M4V file
Drop or select your .m4v video (up to 200 MB).
Set quality (CRF)
Keep the default CRF 23 for balanced quality, or lower CRF for sharper output.
Convert and download
Click Convert to MP4, then download the result.

Great for

Common M4V to MP4 conversion scenarios.

Cross-platform playback
Play converted MP4 on Windows, Android, and non-Apple devices.
Editors and uploads
Import MP4 into NLEs and social apps that prefer MP4 over M4V.
Sharing by email or chat
Create MP4 files recipients can open without iTunes or QuickTime.
Library cleanup
Standardize M4V clips into everyday MP4.

Frequently Asked Questions

Quick answers about this tool—open a question to read more.

M4V to MP4 converter online free

What is an M4V to MP4 converter?

M4V to MP4 converter features

How to convert M4V to MP4 online

Great for

Frequently Asked Questions

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