Free Online XWD to SIXEL Converter

This format is used to store background images in uncompressed form in the X Windows System user interface for remote server maintenance. It stores a 'dump' or screenshot of the window or background of the client program. It may include different colors depending on the capabilities of the graphics card that is used to create the XWD file.

SIXEL is a bitmap graphics format developed by DEC (Digital Equipment Corporation) to use on printers and terminals. Such image consists of six pixels high and one pixel wide represented as an escaped sequence. If you want to open a SIXEL file but do not have a DEC terminal, the only way is to convert it to another more common format.