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Video Conversion

Convert CAVS to M4V Online — Free

Fast, free CAVS to M4V converter. No registration required.

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How to Convert

1

Upload your .cavs file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .m4v file when it's ready.

What is CAVS?

CAVS (AVS/AVS+/AVS2) is the Chinese national audio/video coding standard used in Chinese digital television broadcasting. It offers comparable quality to H.264 with different patent licensing.

Format Details

Full Name
Chinese Audio Video Coding Standard
Extension
.cavs

Key Features

  • Chinese DTV standard
  • AVS/AVS2 codec
  • Broadcast quality
  • National standard

What is M4V?

M4V is a video container format developed by Apple, similar to MP4. It's commonly used for videos in the iTunes Store and may include DRM protection.

Format Details

Full Name
iTunes Video
Extension
.m4v

Key Features

  • Apple ecosystem
  • iTunes compatible
  • High quality
  • DRM support

CAVS vs M4V

FeatureCAVSM4V
Full NameChinese Audio Video Coding StandardiTunes Video
Extension.cavs.m4v
Best ForChinese DTV standardApple ecosystem

Frequently Asked Questions

Our converter preserves resolution, frame rate, and audio tracks by default. The M4V output uses optimized codec settings to maintain quality as close to the original CAVS as possible.
Free users can convert videos up to 100MB. Pro users can convert files up to 2GB with server-side processing — no software installation needed.
Most videos convert in under 60 seconds. Longer or higher-resolution files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Yes. Our video converter is browser-based — works on iPhone, Android, tablet, and desktop. No app download required.
Yes. Audio is preserved by default during video conversion. You can also adjust audio codec, bitrate, and volume in the advanced settings.

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