Convert MP4 to WebM instantly with this fast and free online converter. WebM is a modern, web-optimized video format powered by VP8/VP9 codecs, offering excellent compression with high visual quality. It is widely used on platforms such as YouTube, Reddit, and all major browsers thanks to its lightweight structure.
This tool processes your MP4 videos directly in your browser—meaning no uploads, no waiting, and complete privacy. Simply select your MP4 file, convert it to WebM, and download within seconds. Ideal for creators, developers, and anyone who needs efficient, high-quality WebM output.