| ari | ARRIRAW Photo |
| arn | Astronomical Research Network Image |
| ars | DIPIX Aries Image |
| art | Art Image |
| Atari 8-bit Ascii-Art Editor Image |
| Atari ST Art Director Image |
| Atari ST GFA Artist Image |
| C64 Advanced Art Studio Image |
| C64 Art Studio Image |
| artb | Artboard Document |
| artwork | ArtStudio Image |
| arw | ArtStudio Image |
| Sony RAW Image |
| asi | ARTstor Image |
| atk | Andrew Toolkit Raster Image |
| atr | ZX Spectrum Attributes Image |
| att | AT&T Group 4 Bitmap Image |
| avatar | Google Talk Avatar File |
| avci | HEIF Image |
| avs | Stardent AVS X Image |
| avt | SavySoda Avatar File |
| avw | Analyze AVW Image |
| awd | Artweaver Document |
| axi | Axon IW Image |
| azv | AirZip Compressed Image |
| b&w | ImageLab Image |
| b16 | PCO Camera Image |
| b60 | RISC OS PNG Image |
| bay | Casio RAW Image |
| ImageMagick Bayer RAW Image |
| bayer | ImageMagick Bayer RAW Image |
| bb0 | BBC Micro Mode 0 Bitmap |
| bb1 | BBC Micro Mode 1 Bitmap |
| bb2 | BBC Micro Mode 2 Bitmap |
| bb4 | BBC Micro Mode 4 Bitmap |
| bb5 | BBC Micro Mode 5 Bitmap |
| bbg | BBC Micro LdPic Bitmap |
| bbm | Deluxe Paint Brush Image |
| bbnbg | BBN BitGraph Display Pixel Data |
| bbnng | BBN BitGraph Display Pixel Data Sequence |
| bcres | Nintendo 3DS Animation Data |
| beam | Commodore Amiga Multi-palette Image |
| bef | Unified Color HDR Image |
| bfl | BFLI Image |
| bfli | BFLI Image |
| bfx | Bitware Fax Image |
| bg9 | Atari 8-bit BG9 Image |
| bga | OS/2 Bitmap Graphic Array |
| bgb | Beck Graphics Bitmap |
| bgp | Bugbiter APAC239i Bitmap Image |
| bgra | Nordlicht BGRA Output |
| bie | JBIG Bitmap Image |
| big | Cartes Michelin Image |
| bil | ArcInfo Band Interleaved by Line Image |
| bin | C64 Printfox/Pagefox Bitmap Image |
| bip | ArcInfo Band Interleaved by Line Image |
| bit | X11 Server Bitmap Image |
| bitmap | X Bitmap Image |
| bkd | BlackInk Drawing |
| bkg | Atari 8-bit Movie Maker Background Image |
| bkw | FontEdit FontSet Image |
| bl | Binary Linework TIFF Image |
| bl1 | Atari ST DEGAS Elite Block |
| bl2 | Atari ST DEGAS Elite Block |
| bl3 | Atari ST DEGAS Elite Block |
| bld | FalCon eXtra Picture |
| MegaPaint Image |
| blend | Blender Data |
| blkrt | Block Artist Image |
| blp | Blazing Paddles Bitmap |
| Blizzard Texture Data |
| bm | Commodore 128 VDC BitMap Image |
| X Bitmap Image |
| bmc | Embroidery Image |
| Remote Desktop Connection Bitmap Cache |
| bmc4 | ZX Spectrum Border Screen Multicolor 8x4 Image |
| bmf | BMF Bitmap |
| bmg | Berts Coloring Image |
| bmp | Windows Bitmap Image |
| bmpf | Windows Bitmap Image |
| bms | Playback Bitmap Sequence |
| bmx | Siemens Mobile Animation |
| bo1 | Magnavox Odyssey 1 Emulator Overlay Image |
| bob | Bob Raytracer Image |
| bp | Binary Picture TIFF Image |
| bpg | Better Portable Graphics Image |
| bpr | AAA Logo Image |
| brk | Brooktrout 301 Fax Image |
| brt | Brooktrout 301 Fax Image |
| bru | Atari ST DEGAS Elite Brush Data |
| brus | Commodore 128 Basic 8 Image |
| brush | Xerox Doodle Brush Data |
| bs | C64 Printfox/Pagefox Bitmap Image |
| bsc | ZX Spectrum Border Screen Image |
| bsq | ArcInfo Band Sequential Image |
| bsv | BSAVE Image |
| bti | Nintendo GameCube Game Texture |
| btn | JustButtons Button Image |
| btpc | BTPC Encoded Bitmap |
| buc | ACDSee BUC Image |
