Convert QuickTime MOV videos to MP4 for playback on any device, platform or editing tool. LessMB processes the conversion locally in your browser — no upload, no account.
拖放文件到此处，或
MP4 · MOV · WebM · MKV · AVI
Select a MOV file and get an MP4 output with broad compatibility across Windows, Android, web players, social platforms and editing software. The conversion runs entirely on your device.
Choose a quality preset or adjust resolution and bitrate manually. Higher quality preserves visual detail; lower settings produce smaller files for sharing and upload limits.
Unlike online converters that upload your video to a server, LessMB converts MOV files locally. Large and private recordings never leave your device.
Convert MOV clips from Apple devices to MP4 for Windows playback, presentations and uploads.
iPhone and Mac recordingsMake MOV files compatible with platforms that require MP4 uploads.
Social mediaCreate MP4 proxies from MOV sources for smoother editing on less powerful machines.
Editing workflows关于此工具、支持流程和本地浏览器处理的常见问题回答。
Yes. LessMB converts MOV to MP4 for free in your browser without an account or file upload.
Both formats can contain the same H.264 video. When re-encoding is needed, choose a high quality preset to keep visible differences minimal.
Processing time depends on video length, resolution and your device performance. Short clips usually finish in seconds to minutes.