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M4V to OPUS Converter

Convert M4V files to OPUS in seconds, free and unlimited.

🔒 Files are processed on your device. Nothing is uploaded.

How to convert M4V to OPUS

  1. Click Choose files or drop your M4V files into the box. You can add several at once.
  2. Make sure OPUS is selected as the output format.
  3. Press Convert, then download your OPUS files.

M4V

Apple's MPEG-4 video format used by iTunes and the TV app.

OPUS

Modern open codec with the best quality at low bitrates. Used by WhatsApp, Discord and YouTube.

Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.

Other M4V conversions

Convert other files to OPUS

FAQ

Is converting M4V to OPUS free?

Yes. Unlimited conversions, no sign-up, no watermark.

Are my files uploaded to a server?

No. FieldConvert processes files inside your browser, so your M4V files never leave your device. That makes it private and fast, because there is no upload or download wait.

Is there a file size limit?

Only your device's memory. Files up to about 2 GB work in most desktop browsers.