Video → WebM Converter
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Upload MP4/MOV/AVI/MKV/WebM/FLV/MPEG, choose settings, download the converted WebM.
Drop a video here or use the file picker below
Resolution Preset (Optional)
Keep Original Dimensions
2160p (4K UHD - 3840x2160)
1440p (QHD - 2560x1440)
1080p (Full HD - 1920x1080)
720p (HD - 1280x720)
480p (SD - 854x480)
360p (Low - 640x360)
Max width
Max height
Video Bitrate (kbps)
Frame Rate (fps)
Quality (CRF)
Encoding Preset
Ultrafast (fastest, lower quality)
Superfast
Veryfast
Faster
Fast
Medium (balanced)
Slow (better quality)
Slower
Veryslow (best quality, slowest)
Output name
Include audio (Opus codec)
Convert & Download
Max 100MB. Uses VP9 codec for WebM. Conversion may take time for large files.