| spx | Spectrum 512 Extended Image |
| sr | Sun Raster Image |
| sr2 | Sony RAW Image |
| sr5 | MSX2 Graph Saurus SR5 Image |
| sr7 | MSX2 Graph Saurus Bitmap |
| srf | Sony RAW Image |
| sri | MSX2 Graph Saurus SRI Image |
| srs | MSX2+ Screen 12 Bitmap Image |
| srt | Atari ST Synthetic Arts Image |
| srw | Samsung RAW Image |
| ss4 | SAM Coupe Bitmap Image |
| ssb | Atari ST Sinbad Slideshow |
| ssi | SriSun Image |
| ssk | FutureWave SmartSketch Drawing |
| sst | AVHRR Image |
| st | Neopaint Stamp |
| st4 | SBIG CCD Camera Image |
| st5 | SBIG CCD Camera Image |
| st6 | SBIG CCD Camera Image |
| st7 | SBIG CCD Camera Image |
| st8 | SBIG CCD Camera Image |
| st9 | SBIG CCD Camera Image |
| ste | Samsung IPOLIS Image |
| stg | SNMP Traffic Grapher Data |
| sti | Sinar CaptureShop 5.x Image |
| stitch | PhotoVista Panorama Graphic |
| stl | ZX Spectrum Stellar Bitmap |
| stm | ArcSoft PhotoStudio Stamp Image |
| stn | Genuine Fractals Image STN |
| stp | MSX2 Dynamic Publisher Stamp |
| stw | Neopaint for Windows Stamp |
| stx | SBIG CCD Camera Image |
| suh | Atari ST Degas SUH Image |
| sul | GFA Raytrace Image |
| sumo | Sumo Paint Image |
| sun | Sun Raster Image |
| suniff | Sun TAAC Image |
| svg | Scalable Vector Graphic |
| svgz | Compressed Scalable Vector Graphic |
| svm | StarView Metafile |
| svs | Aperio SVS Slide |
| svslide | Sakura Virtual Slide |
| swl | Macromedia Flash Format Data |
| sxg | ZX Spectrum Speccy eXtended Graphics Bitmap |
| sym | Lotus Freelance Graphics Symbol |
| syn | Synthetic Universe Image |
| synu | Synthetic Universe Image |
| t1 | Male MRI Image |
| t2 | Male MRI Image |
| t2b | CyBook Thumbnail Image |
| t2k | VISIA Image |
| taac | Sun TAAC Image |
| targa | Targa Bitmap Image |
| tbd | Toon Boom Studio Drawing |
| tbn | XBMC Thumbnail Image |
| tci | TOPCALL Fax Image |
| tdi | Autodesk Maya Image File |
| tdim | Digital F/X Image |
| tff | IDOLON Tagged File Format Image |
| tg1 | Atari Falcon COKE Image |
| tg4 | TG4 Fax Image |
| tga | Targa Bitmap Image |
| thb | KinuPix Skin Image |
| thm | Canon Thumbnail Image |
| thumb | jAlbum Thumbnail |
| tif | Tag Image File Format |
| tiff | Tag Image File Format |
| tikz | TikZ Graphic Data |
| til | Buttonz and Tilez Texture |
| tile | Eclipse Image |
| tim | Sony Playstation TIM Image |
| Tag Image File Format |
| timg | Atari Falcon TIMG Image |
| tip | Atari 8-bit Taquart Interlace Picture |
| tjp | TilePic Image |
| tla | TuneUp Utilities Startup Logo |
| tm2 | Sony Playstation 2 TIM2 Image |
| tn | Tracor Northern Image |
| tn1 | Atari Tiny Image |
| tn2 | Atari Tiny Image |
| tn3 | Atari Tiny Image |
| tne | Manga Studio Tone |
| tng | Namo WebCanvas Image |
| tnl | Thumbnail Image |
| tny | Atari Tiny Image |
| tpc | TilePic Image |
| tpg | TilePic Image |
| tpi | Atari Falcon Prism Paint Image |
| tpic | Targa Bitmap Image |
| tpv | TutorPro Packed Graphics |
| tpx | Mirai TPX Image |
| tre | Atari Falcon Compressed Spooky Sprites Data |
| trif | Tiled Raster Interchange Format |
| trp | Atari Falcon Spooky Sprites Data |
| Egg Paint Image |
| tru | Atari Falcon IndyPaint Image |
| ttf | Optigraphics Tiled Image |
| ttx | TilePic Image |
| tub | Corel Paint Shop Pro Tube |
| tuo | Thumbs Plus Viewer Graphics Data |
