Video Conversion
Convert FLV to M4V Online — Free
Fast, free FLV to M4V 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 .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 .m4v file when it's ready.
什么是 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.
格式详情
- 全称
- Flash Video
- 扩展名
- .flv
主要特点
- Small file size
- Fast streaming
- Legacy support
- Web delivery
什么是 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.
格式详情
- 全称
- iTunes Video
- 扩展名
- .m4v
主要特点
- Apple ecosystem
- iTunes compatible
- High quality
- DRM support
FLV 与 M4V 对比
| 特性 | FLV | M4V |
|---|---|---|
| 全称 | Flash Video | iTunes Video |
| 扩展名 | .flv | .m4v |
| 最适合 | Small file size | Apple ecosystem |
常见问题
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 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.