| ucg | ULEAD MediaStudio CG Infinity Graphic |
| ufr | Ultra Fractal Fractal File |
| ulb | UL TIFF Image |
| ulg | UL JPEG Image |
| uni | Brother Fax |
| uol | PhotoImpact Clipart Image |
| upi | PhotoImpact Image |
| urt | Utah Raster Toolkit Image |
| usertile-ms | Windows 8 User Tile Data |
| uvp | Ulead MediaStudio Pro Video Paint Graphic |
| uyvy | Interleaved YUV 16Bits Raw Image |
| v | VIPS Image |
| v2i | TI Voyage 200 Image |
| vbm | Commodore 128 VDC BitMap Image |
| vbr | Gimp Parametric Brush File |
| vda | Video Display Adapter Raster Image |
| vdt | Swiftview Imaging Command Set |
| vff | Sun TAAC Image |
| vfx | VentaFax Fax Image |
| vga | Windows Bitmap Image |
| vi | Jovian Logic VIA Image |
| vic | Commodore 64 VIC Image |
| vic | VICAR Image |
| vicar | VICAR Image |
| vid | Vidcom 64 Image |
| vif | Khoros Visualization Image |
| vif | Verity Image Format File |
| viff | Khoros Visualization Image |
| vig | Visionary Image Group Data |
| vips | Libvips VIPS Image |
