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First run downloads FFmpeg (~25 MB) once in this browser. Need a smaller MOV instead? Try /compress-mov.

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MOV to MP4 converter online free

Convert MOV to MP4 online free in your browser. Turn QuickTime .mov files into MP4 with adjustable quality — no server upload required.

What is a MOV to MP4 converter?

A MOV to MP4 converter changes QuickTime .mov videos into the widely supported MP4 container, usually with H.264 video and AAC audio. This tool runs locally in your browser with FFmpeg WebAssembly, so your files are not uploaded to a server.

MOV to MP4 converter features

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

  • Convert MOV to MP4 online

    Upload a .mov file and download a compatible MP4 in your browser.

  • QuickTime and iPhone MOV support

    Works with common QuickTime exports, screen recordings, and camera MOV files.

  • 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, AAC, and faststart for broad playback compatibility.

How to convert MOV to MP4 online

Convert a QuickTime MOV file to MP4 in three steps.

  1. Upload MOV file

    Drop or select your .mov video (up to 200 MB).

  2. Set quality (CRF)

    Keep the default CRF 23 for balanced quality, or lower CRF for sharper output.

  3. Convert and download

    Click Convert to MP4, then download the result.

Great for

Common MOV to MP4 conversion scenarios.

  • Windows and Android playback

    MP4 plays more easily than MOV on many non-Apple devices and apps.

  • Social and web uploads

    Convert MOV exports before posting to platforms that prefer MP4.

  • Editing workflows

    Standardize iPhone or QuickTime footage to MP4 for editors and NLE tools.

  • Sharing by email or chat

    Create MP4 files recipients can open without QuickTime installed.

Frequently Asked Questions

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