WebM to MP4
Convert WebM video to universally compatible MP4 with quality and resolution presets.
No watermarkFree & unlimited
Processed on our servers and deleted right after. Never stored or shared.
About this tool
- 1
Upload WebM File
Select a WebM video file from your device to convert.
- 2
Set Quality
Choose the output quality level or specify a target bitrate for the MP4.
- 3
Convert
Click convert to transcode the WebM video to MP4 (H.264 + AAC).
- 4
Download
Save the converted MP4 file to your device.
- WebM files from screen recording tools often convert cleanly to MP4 with excellent quality.
- Use high quality settings since WebM (VP8/VP9) and H.264 handle compression differently.
- MP4 is much more widely supported on Apple devices and older software than WebM.
- Keep the original resolution to avoid unnecessary quality loss from scaling.
- Converts WebM (VP8/VP9 + Vorbis/Opus) to MP4 (H.264 + AAC)
- Adjustable output quality and bitrate controls
- Preserves original resolution and frame rate
- Handles WebM files from all major sources including browsers and screen recorders
- Client-side processing for speed and file privacy
- Converting WebM screen recordings for playback on iPhones and iPads
- Making browser-captured WebM videos compatible with video editors like Premiere or Final Cut
- Sharing WebM conference recordings as universally playable MP4 files
- Uploading WebM content to platforms that require MP4 format
Apple devices have limited WebM support. Converting to MP4 (H.264) ensures playback on all Apple devices, Android devices, and desktop computers.
It depends on the source quality and your settings. VP9 WebM files are often very efficient, so the MP4 may be slightly larger at comparable quality. VP8 WebM files usually produce similarly sized MP4s.
Yes. WebM audio (Vorbis or Opus) is transcoded to AAC, which is the standard audio codec for MP4 files.