Turn your MP4 files into WebM in seconds. Everything runs locally in your browser, so your files never leave your device.
Convert video formats, extract audio or create GIFs. Everything happens in your own browser — no file is uploaded to servers.
Drag a video here or click to select
MP4, MOV, AVI, MKV, WebM, FLV, WMV, M4V, MPEG, 3GP, OGV
Your plan allows files up to 50 MB.
Leave empty to keep the full duration. Format: seconds or mm:ss.
Select or drag your MP4 file into the tool above, choose WebM as the output format and start the conversion. When it finishes, download the converted file with a single click.
The conversion happens entirely inside your browser using modern web technology. Nothing is uploaded to a server, which makes it both private and fast — even for batches of several files.
You can adjust quality and compression before converting, keep or strip metadata for privacy, and download multiple results at once as a ZIP archive.
