Wemute

Convert MOV to MP4

Drop a MOV file below and press Convert to get an MP4. If the video is already H.264, Wemute moves it into MP4 without re-encoding — seconds, with zero quality loss. iPhone HEVC videos are re-encoded to H.264 so they play on Windows and every website.

  • No upload
  • No sign-up
  • Many files download as one ZIP

Convert to MP4

How it works

Three steps

  1. Drop MOV videos from your iPhone or Mac.

  2. Press Convert — no settings needed.

  3. Download MP4 files that play anywhere.

Good for

  • Play iPhone videos on Windows or Android
  • Upload to sites that reject MOV
  • Share screen recordings from a Mac

Questions

About MOV to MP4

Is MOV to MP4 lossless?

When the video inside is H.264, yes: Wemute copies the streams into MP4 unchanged. HEVC and ProRes have to be re-encoded, which uses a high-quality setting.

Why is video slower than a desktop app?

Browser video encoding runs on the CPU without hardware acceleration. Wemute avoids re-encoding whenever the video stream can simply be moved into the new container, which makes most MOV and MKV to MP4 jobs finish in seconds.

Are my files uploaded?

No. Wemute converts files inside your browser tab with your device's own processor. The file contents and names never reach our servers, and nothing is kept after you close the page.

Is there a file size limit?

There is no upload limit because nothing is uploaded, but your browser's memory sets a practical ceiling: files up to about 2 GB work on most computers. The first conversion downloads the converter engine (about 10 MB) once; after that it is cached.

Format comparison

How MOV and MP4 differ

MOVMP4
CompressionLossy or ProRes (H.264, HEVC, ProRes)Lossy (usually H.264)
Best forRecording on iPhone and editing on MacSharing and uploading video anywhere
CompatibilityApple devices; uneven elsewhereUniversal

MOV: iPhone videos are MOV with HEVC, which some Windows PCs and websites can't play. MP4: H.264 in MP4 plays on virtually every phone, browser, TV and editor.

Wemute for Mac

Word, Excel, PDF, e-books and 100 more conversions, OCR, background removal and subtitles — all on your Mac. Free and open source.

Get it on GitHub