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ConvertAnyVideo

M4V to WebM Converter

Convert M4V videos to WebM in seconds. Change resolution, quality and frame rate if you like — all in your browser.

or drop files here

Up to 1 GB per file · Files never leave your device

  • 100% free
  • No sign-up
  • No upload — private
  • No watermark

How to convert M4V to WebM

  1. Add your M4V files

    Click “Choose Files” or drag and drop your M4V files onto this page.

  2. WebM is selected

    The output is already set to WebM. Open Advanced settings if you want to change the quality, resolution or length.

  3. Convert and download

    Click Convert. Your WebM file is ready in moments — nothing is uploaded.

About the formats

M4V

iTunes Video

M4V is Apple’s variant of MP4 used by iTunes and the Apple TV app. It plays on iPhone, iPad, Mac and Apple TV.

WebM

WebM Video

WebM is an open, royalty-free format made for the web. It uses VP8/VP9 video with Opus or Vorbis audio and plays directly in modern browsers.

Frequently asked questions

How do I convert M4V to WebM?

Click “Choose Files” and select your M4V file (or drag it onto the page). WebM is already selected as the output, so just click Convert and download your WebM file when it’s ready.

Will I lose quality converting M4V to WebM?

When the video inside your M4V file is compatible with WebM, it is copied without re-encoding, so there is no quality loss at all. Otherwise it is re-encoded at high quality. You can pick the quality yourself in Advanced settings.

Is it safe to convert M4V files here?

Your files stay on your device. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.

Is the M4V to WebM converter free?

Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.

Can I convert several M4V files at once?

Yes. Add as many M4V files as you like and convert them in one go, then download them one by one or together as a ZIP file.

Convert M4V to other formats

Convert other formats to WebM