Video Conversion
Convert CAVS to WebM Online — Free
Fast, free CAVS to WebM converter. No registration required.
或从以下导入
200万+文件已转换
数千用户的信赖之选
安全传输
HTTPS 加密上传
隐私优先
文件处理后自动删除
无需注册
即刻开始转换
随处可用
任何浏览器，任何设备
如何转换
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 .webm file when it's ready.
什么是 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.
格式详情
- 全称
- Chinese Audio Video Coding Standard
- 扩展名
- .cavs
主要特点
- Chinese DTV standard
- AVS/AVS2 codec
- Broadcast quality
- National standard
什么是 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.
格式详情
- 全称
- WebM Video
- 扩展名
- .webm
主要特点
- Web optimized
- Royalty-free
- VP9 codec support
- HTML5 compatible
CAVS 与 WebM 对比
| 特性 | CAVS | WebM |
|---|---|---|
| 全称 | Chinese Audio Video Coding Standard | WebM Video |
| 扩展名 | .cavs | .webm |
| 最适合 | Chinese DTV standard | Web optimized |
常见问题
Our converter preserves resolution, frame rate, and audio tracks by default. The WebM 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.