| fpos | Photo Pos Pro Image |
| fppx | Microsoft Fresh Paint Painting |
| fpr | Commodore 64 FLI Profi Image |
| Fun Photor Template |
| fpt | Commodore 64 Face Painter Graphic |
| fpx | FlashPix Image |
| fre | Male Normal CT Image |
| frm | Megalux Frame |
| PhotoFrame Frame |
| fsh | EA Sports Game Graphic |
| fsps | MacPaint FSPS Data |
| fsy | PhotoFantasy Image |
| ft1 | Macromedia Freehand Template |
| ft10 | Macromedia Freehand Template |
| ft11 | Macromedia Freehand Template |
| ft12 | Macromedia Freehand Template |
| ft2 | Macromedia Freehand Template |
| ft3 | Macromedia Freehand Template |
| ft4 | Macromedia Freehand Template |
| ft5 | Macromedia Freehand Template |
| ft6 | Macromedia Freehand Template |
| ft7 | Macromedia Freehand Template |
| ft8 | Macromedia Freehand Template |
| ft9 | Macromedia Freehand Template |
| ftc | Atari Falcon True Color Image |
| ftf | Faxable TIFF Image |
| ftif | Photron FASTCAM TIFF Image |
| fts | Flexible Image Transport System Image |
| ful | Atari ST Canvas Raster Image |
| fun | Atari Falcon Funny Paint Bitmap Image |
| C64 Fun Painter 2 Image |
| fwa | Atari 8-bit Fun with Art Image |
| fxg | Flash XML Graphics |
| g00 | Clannad G00 Picture |
| g09 | Atari 8-bit BG9 Image |
| g10 | Atari 8-bit Graphics 10 Image |
| g11 | Atari 8-bit Graphics 11 Image |
| g16 | Grayscale 16 Image |
| g2f | Atari 8-bit Graph2Font Image |
| g3 | G3 FAX Image |
| g3b | Casio Prizm Flipbook File |
| g3f | Zetafax Fine Resolution Fax |
| g3n | Zetafax Normal Resolution Fax |
| g3p | Casio Prizm Still Image |
| g4 | Tag Image File Format |
| g9b | MSX2+ GFX9k Bitmap |
| g9s | Atari 8-bit SFDN Compressed Graphics 9 Image |
| gb | C64 Printfox/Pagefox Bitmap Image |
| gbr | Gimp Brush Image |
| gcd | Commodore 64 GCD Image |
| gd | GD Library 2 Image |
| gd2 | GD Library 2 Image |
| ge5 | MSX2 Screen 5 Bitmap |
| ge7 | MSX2 Screen 7 Bitmap |
| ged | Atari 8-bit GED Image |
| Graphic Environment Document |
| gel | Molecular Dynamics Image |
| gem | GEM Metafile |
| geo | GeoPaint Image |
| geotiff | GeoTIFF Raster Image |
| gfb | Atari ST DeskPic Image |
| GIFBlast Compressed Image |
| gfg | GPU Friendly Graphics Data |
| gfie | Greenfish Icon Editor Pro Graphic |
| gfm | Ashton-Tate Applause CGM Picture |
| gfx | Amstrad CPC Mode 5 Image |
| gg | Koala Paint Compressed Bitmap |
| ggr | Gimp Gradient File |
| ghg | Gephard Hires Graphics Bitmap Image |
| gif | CompuServe Bitmap Image |
| giff | CompuServe Bitmap Image |
| gig | C64 GigaPaint Image |
| Koala Paint GIG Bitmap |
| gih | Gimp Animated Brush |
| gim | PlayStation Portable Image File |
| gks | Graphics Kernel System Data |
| MODPATH GKS Data |
| gl2 | HP Graphic Language Document |
| gl5 | MSX2 GL5 Bitmap |
| gl6 | MSX2 GL6 Bitmap |
| gl7 | MSX2 GL7 Bitmap |
| gl8 | MSX2 GL8 Bitmap |
| gla | MSX2+ GLA Image |
| glc | MSX2+ GLC Image |
| glox | Microsoft Office SmartArt Graphics Layout |
| gls | MSX2+ GLC Image |
| gm | Autologic Bitmap Image |
| gm2 | Autologic Bitmap Image |
| gm4 | Autologic Bitmap Image |
| gmf | Gamma Fax Image |
| gn | Apollo HDRU Image |
| god | Atari Falcon GodPaint Image |
| goe | GOES Satellite Bitmap Image |
| McIDAS Satellite Image Data |
| goes | McIDAS Satellite Image Data |
| goo | KPT Goo Picture |
| gp4 | CALS Compressed Bitmap |
| GTXRaster CAD Group IV CALS Picture |
| gpd | Graphic PhotoDefiner Image |
| gr1 | Atari 8-bit Mad Studio Image |
