Convert WebM to MKV
Free online WebM to MKV converter. No upload required, 100% private.
How to Convert WebM to MKV
Upload File
Drag and drop your WebM file or click to browse
Choose Settings
Select MKV as output and adjust quality settings
Download
Click convert and download your MKV file
WebM vs MKV
WebM
Web Media
- Extension
- .webm
- Category
- Video
- MIME Type
- video/webm
MKV
Matroska Video
- Extension
- .mkv
- Category
- Video
- MIME Type
- video/x-matroska
Other WebM Conversions
WebM to MP4
WebM (Web Media) → MP4 (MPEG-4 Part 14)
WebM to AVI
WebM (Web Media) → AVI (Audio Video Interleave)
WebM to MOV
WebM (Web Media) → MOV (QuickTime Movie)
WebM to FLV
WebM (Web Media) → FLV (Flash Video)
WebM to 3GP
WebM (Web Media) → 3GP (3GPP Multimedia)
WebM to WMV
WebM (Web Media) → WMV (Windows Media Video)
WebM to MPEG
WebM (Web Media) → MPEG (Moving Picture Experts Group)
WebM to OGV
WebM (Web Media) → OGV (Ogg Video)
Convert to WebM
MP4 to WebM
MP4 (MPEG-4 Part 14) → WebM (Web Media)
AVI to WebM
AVI (Audio Video Interleave) → WebM (Web Media)
MOV to WebM
MOV (QuickTime Movie) → WebM (Web Media)
FLV to WebM
FLV (Flash Video) → WebM (Web Media)
3GP to WebM
3GP (3GPP Multimedia) → WebM (Web Media)
WMV to WebM
WMV (Windows Media Video) → WebM (Web Media)
MPEG to WebM
MPEG (Moving Picture Experts Group) → WebM (Web Media)
OGV to WebM
OGV (Ogg Video) → WebM (Web Media)