Inom TurdikulovRaster graphics editor (graphics editor)
A raster graphics editor (also called bitmap graphics editor) is a computer program that allows users to create and edit images interactively on the computer screen and save them in one of many raster computer graphics file formats (also known as bitmap images) such as JPEG, PNG, WebP, TIFF and GIF.
— Wikipedia
My first raster graphics editor was Microsoft Paint. It also aviable online.