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Video Conversion

Convert WebM to CAVS Online — Free

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

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2M+ Files Converted

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Works Everywhere

Any browser, any device

How to Convert

1

Upload your .webm 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 .cavs file when it's ready.

What is WebM?

WebM is an open, royalty-free media format designed for the web. It provides high-quality video with efficient compression, making it ideal for online streaming.

Format Details

Full Name
WebM Video
Extension
.webm

Key Features

  • Web optimized
  • Royalty-free
  • VP9 codec support
  • HTML5 compatible

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

WebM vs CAVS

FeatureWebMCAVS
Full NameWebM VideoChinese Audio Video Coding Standard
Extension.webm.cavs
Best ForWeb optimizedChinese DTV standard

Frequently Asked Questions

Our converter preserves resolution, frame rate, and audio tracks by default. The CAVS output uses optimized codec settings to maintain quality as close to the original WebM 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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