| .IM1 | Sun Microsystems | File con immagini raster | Sun Raster Image File | GIMP | The GIMP Development Team |
| .IM5 | Thermo Fisher Scientific Inc. | File con immagini raster | Visilog Image File | Visilog | Thermo Fisher Scientific Inc. |
| .IM8 | Sun Microsystems | File con immagini raster | Sun Raster Graphic File | GIMP | The GIMP Development Team |
| .IMG | Unknown Developer | File con immagini raster | Disk Image Data File | IsoBuster | Smart Projects |
| .IMJ | AccuSoft Corporation | File con immagini raster | JFIF Bitmap Image | ImagXpress | AccuSoft Corporation |
| .IMQ | NASA | File con immagini raster | NASA Planetary Image File | PDS Tools Package | NASA |
| .INB | LucasArts Entertainment Company, LLC | File con immagini raster | Rebel Assault Backup | Star Wars: Rebel Assault | LucasArts Entertainment Company, LLC |
| .INFO | GNU Project | File con immagini raster | Texinfo Document | GNU Emacs | GNU Project |
| .INK | Mimio | File con immagini raster | Mimio Ink Data File | MimioStudio | Mimio |
| .IPC | IncrediTools | File con immagini raster | IncrediFlash Tools Image File | IncrediFlash | IncrediTools |
| .IPX | Minds-Eye-View | File con immagini raster | IPIX Image | Minds-Eye-View IPIX Interactive Studio | Minds-Eye-View |
| .IRIS | Silicon Graphics, Inc. | File con immagini raster | Silicon Graphics Iris Image | XnView MP | XnSoft |
| .ITC2 | Apple | File con immagini raster | iTunes Cover Flow Data File 2 | Apple iTunes | Apple |
| .ITG | Intergraph Corporation | File con immagini raster | Intergraph Format Bitmap Graphics | XnView MP | XnSoft |
| .ITHMB | Apple | File con immagini raster | iPod And iPhone Photo Thumbnails File | Dec Software iThmb Converter | Dec Software |
| .IVR | RealNetworks | File con immagini raster | Internet Video Recording | RealNetworks RealTimes | RealNetworks |
| .IVUE | HSC Software (Harvard Systems Corporation) | File con immagini raster | Live Picture IVUE Image | Live Picture | HSC Software (Harvard Systems Corporation) |
| .J | Oracle Corporation | File con immagini raster | Java Source File | Vim | Bram Moolenaar |
| .J2K | Joint Photographic Experts Group | File con immagini raster | JPEG 2000 Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JAS | Open Source | File con immagini raster | Cheetah3D Model File | Unity Technologies Unity | Unity Technologies |
| .JB2 | Joint Bi-level Image Group | File con immagini raster | JBIG2 Image | OmniPage | Nuance |
| .JBF | Corel | File con immagini raster | Paint Shop Pro Browser Cache File | PaintShop Pro | Corel |
| .JBG | Joint Bi-level Image Group | File con immagini raster | Joint Bi-level Image Group File | Graphics Converter Pro | Newera Software Technology, Inc. |
| .JBIG | Joint Bi-level Image Group | File con immagini raster | Joint Bi-level Image Group File | Graphics Converter Pro | Newera Software Technology, Inc. |
| .JBIG2 | Joint Bi-level Image Group | File con immagini raster | JBIG2 Bitmap Image | Graphics Converter Pro | Newera Software Technology, Inc. |
| .JBR | Corel | File con immagini raster | Paint Shop Pro Brushes File | ACD Systems ACDSee | ACD Systems |
| .JFI | Joint Photographic Experts Group | File con immagini raster | JPEG File Interchange Image | Adobe Photoshop | Adobe Systems Incorporated |
| .JFIF | Unknown Developer | File con immagini raster | JPEG File Interchange Format | Internet Explorer | Microsoft Corporation |
| .JFX | j2 Global, Inc. | File con immagini raster | J2 jConnect Fax File | j2 Global Communications eFax | j2 Global, Inc. |
| .JIF | Joint Photographic Experts Group | File con immagini raster | JPEG Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JLS | Freedom Scientific | File con immagini raster | JAWS Data File | JAWS | Freedom Scientific |
| .JMG | Unknown Developer | File con immagini raster | 16 Bit Adaptive RLE Compressed Bitmap Image | Unknown Software | Unknown Developer |
| .JMH | Unknown Developer | File con immagini raster | JPEG File Interchange Format | Internet Explorer | Microsoft Corporation |
| .JP2 | Joint Photographic Experts Group | File con immagini raster | JPEG 2000 Core Image File | MacPhun ColorStrokes | Macphun |
| .JPC | Joint Photographic Experts Group | File con immagini raster | JPEG 2000 Code Stream File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JPE | Pierre-Emmanuel Gougelet | File con immagini raster | JPEG Bitmap Image Format | XnView MP | XnSoft |
| .JPEG | Joint Photographic Experts Group | File con immagini raster | JPEG Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JPF | Joint Photographic Experts Group | File con immagini raster | JPEG 2000 Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JPG | Joint Photographic Experts Group | File con immagini raster | JPEG Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JPG-LARGE | Zoner Software | File con immagini raster | Large JPEG Image | Adobe Photoshop | Adobe Systems Incorporated |
| .JPG2 | Joint Photographic Experts Group | File con immagini raster | JPEG 2000 Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JPG_ | Google | File con immagini raster | Google Android General Picture Image | Google Android | Google |
| .JPG_128X96 | Google | File con immagini raster | Android Picture | Google Android | Google |
| .JPG_160X120 | Google | File con immagini raster | Android Picture | Google Android | Google |
| .JPG_160X128 | Google | File con immagini raster | Android Picture | Google Android | Google |
| .JPG_320X240 | Google | File con immagini raster | Android Picture | Google Android | Google |
| .JPS | Open Source | File con immagini raster | Akeeba Backup Archive | Akeeba eXtract Wizard | Open Source |
| .JPX | Embarcadero Technologies | File con immagini raster | JBuilder Project | JBuilder | Embarcadero Technologies |
| .JTF | Various Developers | File con immagini raster | JPEG Tagged Interchange Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JWL | Roxio | File con immagini raster | Roxio Jewel Case File | Roxio Creator NXT Pro 5 | Roxio |
| .JXR | Microsoft Corporation | File con immagini raster | JPEG XR Image | Adobe Photoshop | Adobe Systems Incorporated |
| .KDK | Kodak | File con immagini raster | Kodak Proprietary Decimated TIFF File | Kodak EasyShare | Kodak |
| .KDO | Unknown Developer | File con immagini raster | Kudo Picture Browser File | Kudo Picture Browser | Unknown Developer |
| .KFX | Amazon | File con immagini raster | Amazon KF10 eBook File | Calibre | Open Source |
| .KIC | Kodak | File con immagini raster | Kodak Compressed Image File | Kodak EasyShare | Kodak |
| .KLA | Unknown Developer | File con immagini raster | KLARFF Map Data | Unknown Software | Unknown Developer |
| .KPG | MetaCreations | File con immagini raster | Kai's Power Goo Graphic | Metacreations Kai's Power Goo | MetaCreations |
| .KPS | Tavultesoft | File con immagini raster | Keyman Developer Package Source File | Keyman Developer | Tavultesoft |
| .LB | NexusDB Pty | File con immagini raster | Lens Blur Project File | Lens Blur | NexusDB Pty |
| .LIF | The LEGO Group | File con immagini raster | LEGO Digital Designer Assets File | LEGO Digital Designer | The LEGO Group |
| .LIP | CELSYS | File con immagini raster | Clip Studio Paint File | CELSYS Clip Studio Paint Pro | CELSYS |
| .LJP | Joint Photographic Experts Group | File con immagini raster | Lossless JPEG Image | Nero 2018 | Nero AG |
| .LRG | Macromedia | File con immagini raster | Macromedia XRes Multi-resolution Bitmap | Adobe Authorware | Adobe Systems Incorporated |
| .LUM | Kevin Chong | File con immagini raster | Luminous Song List | Luminous | Kevin Chong |
| .MAC | Apple | File con immagini raster | MacPaint Image | Apple QuickTime Player | Apple |
| .MAT | MathWorks | File con immagini raster | MATLAB MAT-File | The MathWorks MATLAB | MathWorks |
| .MAX | Autodesk, Inc. | File con immagini raster | 3ds Max Scene File | Autodesk 3ds Max | Autodesk, Inc. |
| .MBM | Squad | File con immagini raster | Kerbal Space Program Texture File | Squad Kerbal Space Program | Squad |
| .MCS | Mathsoft | File con immagini raster | Mathcad Image | Mathcad | PTC |
| .MET | Emulex Corporation | File con immagini raster | eMule Resource File | eMule | Open Source |
| .MIC | Microsoft Corporation | File con immagini raster | Image Composer File | Microsoft Image Composer | Microsoft Corporation |
| .MIP | Corel | File con immagini raster | Multiple Image Print File | PaintShop Pro | Corel |
| .MIX | Microsoft Corporation | File con immagini raster | Microsoft Image Exchange File | Microsoft Picture It! | Microsoft Corporation |
| .MKI | Unknown Developer | File con immagini raster | MAKIchan Graphics File | XnView MP | XnSoft |
| .MMR | Fuji Xerox | File con immagini raster | Fuji Xerox Fax Image | FaxSee Pro | SFaxTools |
| .MNG | Various Developers | File con immagini raster | Multiple Network Graphic | Mozilla Firefox | Mozilla |
| .MNR | Autodesk, Inc. | File con immagini raster | AutoCAD Menu Resource File | Autodesk AutoCAD | Autodesk, Inc. |
| .MON | Mozilla | File con immagini raster | Firefox Monday Bookmark Backup File | Mozilla Firefox | Mozilla |
| .MPC | Open Source | File con immagini raster | Musepack Compressed Audio File | VLC Media Player | VideoLAN |
| .MPF | Microsoft Corporation | File con immagini raster | Microsoft Media Package File | Microsoft Clip Organizer | Microsoft Corporation |
| .MPO | CyberLink | File con immagini raster | CIPA Multi Picture Object File | Adobe Photoshop | Adobe Systems Incorporated |
| .MRB | Microsoft Corporation | File con immagini raster | Multiple Resolution Bitmap File | Microsoft Visual C++ | Microsoft Corporation |
| .MRC | mIRC Co. Ltd | File con immagini raster | mIRC Script File | mIRC | mIRC Co. Ltd |
| .MRF | Apple | File con immagini raster | Macintosh Font File | Apple OS X | Apple |
| .MSK | Corel | File con immagini raster | Paint Shop Pro Mask File | PaintShop Pro | Corel |
| .MSP | Microsoft Corporation | File con immagini raster | Windows Installer Patch | Windows Installer | Microsoft Corporation |
| .MVM | Magix Software GmbH | File con immagini raster | MAGIX PhotoStory On DVD Slideshow | MAGIX Photostory 2016 Deluxe | Magix Software GmbH |
| .MXI | Adobe Systems Incorporated | File con immagini raster | Adobe Extension Information File | Adobe InCopy | Adobe Systems Incorporated |
| .MYL | Avanquest Software | File con immagini raster | MyLogo Maker Image | Avanquest MyLogo Maker | Avanquest Software |
| .NCD | Nero AG | File con immagini raster | Nero CoverDesigner File | Nero CoverDesigner | Nero AG |
| .NCR | Adobe Systems Incorporated | File con immagini raster | NCR Image | Adobe Photoshop CC | Adobe Systems Incorporated |
| .NCT | Interscape | File con immagini raster | Now Contact File | Now Up-to-Date (Now Contact) | Now Software |
| .NDD | Unknown Developer | File con immagini raster | Nikon Capture Digital DEE Data | Nikon Capture NX | Nikon |
| .NEO | Atari Corporation | File con immagini raster | NeoChrome Bitmap Image | Recoil | Piotr Fusik |
| .NLM | Nokia | File con immagini raster | Nokia Logo File | IrfanView | Open Source |
| .OCI | PGN Inc. | File con immagini raster | OpenCanvas Image | openCanvas | PGN Inc. |
| .ODI | Apache Software Foundation | File con immagini raster | OpenDocument Image | Apache OpenOffice | Apache Software Foundation |
| .OMF | Avid Technology | File con immagini raster | Open Media Framework File | Steinberg Cubase | Steinberg |
| .ORA | Unknown Developer | File con immagini raster | OpenRaster Image File | GIMP | The GIMP Development Team |
| .OTB | Nokia | File con immagini raster | Nokia Over The Air Bitmap Image | Nokia Multimedia Player | Nokia |
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