Convert x3f to bmp Online: x3f2bmp

You can use Tom's Editor to easily convert images from
Sigma Camera RAW Picture File .X3F to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

X3F

Sigma Camera RAW Picture File is an image format with extension X3F.

BMP

Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.