Skip to main content
Video Conversion

Convert FLV to CAVS Online — Free

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

or import from

2M+ Files Converted

Trusted by thousands of users

Secure Transfer

HTTPS encrypted uploads

Privacy First

Files auto-deleted after processing

No Registration

Start converting instantly

Works Everywhere

Any browser, any device

How to Convert

1

Upload your .flv 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 FLV?

FLV is a container format used to deliver video over the Internet using Adobe Flash Player. While Flash is deprecated, many legacy videos still use this format.

Format Details

Full Name
Flash Video
Extension
.flv

Key Features

  • Small file size
  • Fast streaming
  • Legacy support
  • Web delivery

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

FLV vs CAVS

FeatureFLVCAVS
Full NameFlash VideoChinese Audio Video Coding Standard
Extension.flv.cavs
Best ForSmall file sizeChinese 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 FLV 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.

Related Conversions