Convert csv to bmp Online: csv2bmp

You can use Tom's Editor to easily convert images from
Comma-Separated Value .CSV to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

CSV

CSV are simple text files used mainly to store tables (as in Microsoft Excel). Saving images as CSV means converting to grayscale and storing every pixel in a different cell of a table.

BMP

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