Online SFW to MKV, you can put the SFW to MKV format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload SFW file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'MKV'
Select output MKV or any other format as the conversion result (click the Convert button)
Step 3
Download your SFW file
After the conversion you can download your MKV file and upload it to Google Drive, Dropbox.
sfw : Bitmap Graphic
The SFW file type is primarily associated with Seattle Film Works by PhotoWorks. The .SFW format is actually an MGI PhotoSuite file; and, Seattle Film Works is PhotoWorks as of 2000. This extension is also captured by Graphics Converter Pro, IrfanView, and others.
MKV (Matroska video File) is a video container format that supports more than one audio and subtitle tracks at the same file. It is based on Extensible Binary Meta Language. It supports several video and audio compression formats. The difference between MKV file types with most other video extensions is that it is a container, not a codec.