
At the right of the window, click on the drop-down list of Output Format: open a new window.
Step 1 Add MP4 files to Wondershare MP4 file to WebM converter.
Versatile toolbox combines video metadata editor, GIF maker, video compressor, and screen recorder. Edit the video files with trimming, cropping, cutting, merging, adding subtitles, etc. Convert MP4 videos to WebM and other 1,000+ video formats, including MOV, AVI, etc. Wondershare UniConverter keeps both video conversion and editor inside one software, making it an all-featured helper to convert video file Wondershare UniConverter also provides excellent video editing tools to personalize the videos before outputting. The Wondershare UniConverter is a versatile application through which you can use to convert MP4 files to WebM within a few minutes and without losing video quality.