Is AVI 转 MP4 free to use?

Yes. AVI 转 MP4 is completely free, with no sign-up and no usage limits.

Do I need to install any software?

No. AVI 转 MP4 runs directly in your web browser — nothing to download or install.

Everything happens on your device. We never receive or store the file or text you enter into AVI 转 MP4.

将 AVI 视频文件转换为兼容性更广、体积更小的 MP4 格式。

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支持格式: AVI · 完全在您的浏览器中处理

转换完全在您的浏览器中使用FFmpeg的WebAssembly版本完成——您的文件不会被上传到任何地方。文件越大,处理时间和内存占用也越多。

AVI 转 MP4 工具将较旧的 AVI 视频格式转换为更现代、压缩效率更高的 MP4 格式。

在现代设备上播放旧视频

将旧的 AVI 视频文件转换为 MP4,以便在手机、平板等现代设备上顺畅播放。

减小视频文件体积

转换为 MP4 格式通常可以在保持画质的同时显著减小文件大小。

Real questions people actually search for, answered directly.

Is AVI 转 MP4 free to use?: Yes. AVI 转 MP4 is completely free, with no sign-up and no usage limits.
Do I need to install any software?: No. AVI 转 MP4 runs directly in your web browser — nothing to download or install.
Is my data kept private?: Everything happens on your device. We never receive or store the file or text you enter into AVI 转 MP4.

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