FormatDrop
How-To Guide

How to Convert M4V to MP4

M4V is Apple's video format used for iTunes purchases and rentals. Non-DRM M4V files can be converted to MP4 simply — often just by renaming the extension. DRM-protected M4V files (purchased from iTunes) require a different approach.

Open M4V to MP4 Converter

Step-by-step instructions

  1. 1

    Check if the M4V is DRM-protected

    Right-click the M4V file → Get Info (Mac) or Properties (Windows) → look for 'Protected: Yes'. Or try renaming .m4v to .mp4 — if it plays in VLC without issues, there's no DRM.

    Go to converter
  2. 2

    Convert DRM-free M4V to MP4 (rename or remux)

    For DRM-free M4V: simply rename .m4v to .mp4 — they're structurally identical. Or use FFmpeg for a clean remux: ffmpeg -i input.m4v -c copy output.mp4. This is instant and lossless.

  3. 3

    Convert with HandBrake (DRM-free M4V)

    Open HandBrake → File → Open Source → select M4V → choose 'Fast 1080p30' preset → set format to MP4 → click Start Encode.

  4. 4

    For DRM-protected M4V

    DRM removal without authorisation is legally restricted. The practical solution for purchased M4V is to play them through authorised Apple devices or apps rather than converting.

Why convert M4V to MP4?

M4V files are locked into Apple's ecosystem when DRM-protected. Converting DRM-free M4V to MP4 makes them play on Android, smart TVs, and video editors without needing Apple software.

Your files never leave your device

FormatDrop runs the conversion engine entirely inside your browser using WebAssembly. No file upload. No server. Nothing stored. You can verify this by opening DevTools → Network tab and watching: zero upload requests.

Frequently asked questions

Is M4V the same as MP4?
Essentially yes — M4V is an MP4 container with an Apple-specific extension. Non-protected M4V files are playable in VLC and most media players unchanged. Apple added optional FairPlay DRM to protect iTunes purchases.
Why can't I open my M4V file in VLC?
If VLC gives an error, the file is DRM-protected. VLC cannot decrypt Apple FairPlay DRM. DRM-free M4V files open in VLC without any issues.
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