Convert MP4 videos to WebM in your browser for web-friendly playback, smaller files, and modern HTML5 video use.
Drag & drop a video here
Maximum file size: 150 MB
Convert MP4 videos to WebM in your browser for web-friendly playback, smaller files, and modern HTML5 video use.
Upload an MP4 file and the tool processes it in your browser using video encoding technology, then provides a WebM download. Converting MP4 to WebM can reduce file size for web use and help developers serve video assets that load smoothly on modern sites.
WebM can be efficient for website video, background clips, and browser-based playback where smaller files are helpful.
Most modern browsers support WebM, but some projects still provide MP4 as a fallback for maximum compatibility.
Often yes. Efficient WebM encoding can reduce page weight and improve video loading on modern web pages.
Convert clips for HTML5 video, landing page backgrounds, short demos, web animations, and browser-based media projects.