Free Online XBM to SIX Converter
XBM
to
SIX
XBM
X Windows system bitmap (black and white)
This is a monochrome image format with a bitmap structure. It is used to store images of icons and cursors in the X Window System graphical user interface, which is used for remote connections. The structure of an XBM file consists of simple text written in the C programming language.
SIX
DEC SIXEL Graphics Format
SIX is an alternative extension of the SIXEL bitmap graphics format. It was developed for terminals and printers by Digital Equipment Corporation (DEC). SIX actually means six pixels of which an image stored in the format consists. If you have a SIX file you want to view but you do not have an access to a DEC terminal, you need to convert it to a more popular format.
How To Convert XBM to SIX

Step 1: Upload Files
Click the upload button or drag and drop your XBM files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted SIX file