file extension
Graphic images are stored digitally using a small number of standardized graphic file formats, including bit map, TIFF, JPEG, GIF, PNG; they can also be stored as raw, unprocessed data.
There are many graphics file formats like:-
Graphics interchange format (GIF)
Bitmap Formats (BMP)
Tagged Image File Format(TIFF)
Portable Network Graphics (PNG)
Vector Formats
Metafile Formats
Scene Formats
Helpful information