Convert M4V to AVI

Convert M4V files to AVI locally, completely free and with maximum privacy.

Drag and drop your files here

or click to browse local files (large files supported, limited only by browser RAM)

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How to convert M4V to AVI

  1. Drop your .m4v files above, or click Upload Files. You can add many files at once.
  2. AVI is already selected as the output. Open the settings (gear icon) to fine-tune the result.
  3. Click Convert All. FFmpeg runs inside your browser through WebAssembly; nothing is uploaded.
  4. Download your .avi files as soon as each one finishes.

What to know about M4V to AVI conversion

  • The video is re-encoded to H.264 video and MP3 audio so it plays wherever AVI is supported, and odd frame sizes are adjusted automatically.
  • You can change the resolution, frame rate, playback speed and quality (CRF) before converting.

M4V vs AVI

FeatureM4V (Apple MPEG-4 Video)AVI (Audio Video Interleave)
Codecs used by PureConverterH.264 video and AAC audioH.264 video and MP3 audio
Best foriTunes and Apple TV librariescompatibility with older Windows software
Opens inApple TV app, iTunes and VLC, mpv and most media playersWindows Media Player, VLC, mpv and most media players

M4V (Apple MPEG-4 Video): An MPEG-4 video container used by Apple for iTunes and iOS devices.

AVI (Audio Video Interleave): A classic Microsoft multimedia container format supporting synchronous audio-with-video playback.

Conversion options

  • Resolution: original, 1080p, 720p, 480p or 360p
  • Frame rate and playback speed (0.5× to 2×)
  • Quality presets or a custom CRF value, and lossless mode
  • Audio bitrate, sample rate and channels

Frequently asked questions

Is it safe to convert M4V to AVI here?

Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.

Is there a file size limit?

There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.

Can I convert several M4V files at once?

Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.

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