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Types of Assemblies
jchk.DLL Dynamic Link Library
jchk.EXE Windows Executable File
Types of Audio Files
jchk.A52 Dolby Digital AC-3 Compressed Audio File
jchk.AAC Advanced Audio Coding Compressed Audio File
jchk.AC3 Dolby Digital AC-3 Compressed Audio File
jchk.AIF Audio Interchange Format File
jchk.APE Monkey's Audio Compressed Audio File
jchk.AU Sun / NeXT Audio File
jchk.DTS Digital Theater Systems Audio File
jchk.FLAC Free Lossless Audio Codec Compressed Audio FIle
jchk.M4A MPEG-4 Audio File
jchk.M4P Protected AAC File
jchk.MID MIDI Audio Sequence
jchk.MKA Matroska Audio Stream
jchk.MOD MOD Audio File
jchk.MP1 MPEG-1 Audio Layer I
jchk.MP2 MPEG-1 Audio Layer II
jchk.MP3 MPEG-1 Audio Layer 3
jchk.OGG Ogg Multimedia Container File
jchk.OMA OpenMG Audio File
jchk.RA RealMedia Audio File
jchk.RAM RealMedia Audio File
jchk.SND Sun / NeXT Audio File
jchk.SPX Ogg Speex Audio File
jchk.WAV Waveform Audio
jchk.WMA Windows Media Audio File
jchk.WV WavPack Compressed Audio File
jchk.XM Extended Module Audio File
Compressed Files Compressed files or archives contain one or more files or folders that have been compressed to take up less space on disk. Compression is especially useful when transferring files over the internet as it saves bandwidth and reduces the time required to download files. The most common compressed file extensions are .ZIP (Zip Compressed Archive) and .RAR (WinRAR Compressed Archive). Types of Compressed Files
jchk.7Z 7-Zip Compressed Archive
jchk.ACE Ace Compressed Archive
jchk.ARJ Archived by Robert Jung Compressed Archive
jchk.BZ BZip Compressed Archive
jchk.BZ2 BZip2 Compressed Archive
jchk.CAB Cabinet Compressed Archive
jchk.CPIO CPIO Compressed Archive
jchk.GZ GNU Zip Compressed Archive
jchk.JAR Java Archive
jchk.LHA LHA Compressed Archive
jchk.LZH Lempel-Ziv and Haruyasu Compressed Archive
jchk.R00 WinRAR Archive Partial File
jchk.RAR WinRAR Compressed Archive
jchk.REV WinRAR Recovery Volume
jchk.TAR TAR Archive
jchk.TAZ TAR Compressed Archive
jchk.TBZ BZip Compressed Tar Archive
jchk.TBZ2 BZip2 Compressed Tar Archive
jchk.TGZ GZip Compressed Tar Archive
jchk.UU Uuencoded File
jchk.UUE Uuencoded File
jchk.XXE Compressed ASCII Archive
jchk.Z Unix Compressed Archive
jchk.ZIP Zip Compressed Archive
Types of Data Files
jchk.CSV Comma Separated Value Database
jchk.DAT Data File
jchk.DBF dBASE Database
jchk.ICL Icon Library
jchk.MNL MathML Data
jchk.NWP Magentic Content File
jchk.ODB ODF Database
jchk.ODF ODF Formula
jchk.PART Partially Downloaded File
jchk.SMF StarMath Data
jchk.SXM OpenOffice.org 1.0 Formula
jchk.TMP Temporary File
jchk.TXT Comma Separated Value Database
jchk.XLS Comma Separated Value Database
Disk Images Disk Images contain all of the data from a disk. A disk can be a CD, DVD, thumb drive, hard drive, memory card, or any other type of media. Common types of disk images are .ISO CD images and .BIN disk images. Types of Disk Images
jchk.B5I B5I Disk Image
jchk.B5T B5T Disk Image
jchk.BIN Binary Disk Image
jchk.BWI BlinkWrite Disk Image
jchk.BWT BlinkWrite Disk Image
jchk.C2D C2D Disk Image
jchk.CCD CCD Disk Image
jchk.CD CD Disk Image
jchk.CDI CD Image File
jchk.CDR Raw CD Audio File
jchk.CIF CIF Disk Image
jchk.DAO DAO Disk Image
jchk.DI Raw CD Audio File
jchk.DMG Mac OS X Disk Image
jchk.DVD DVD Disk Image
jchk.FCD FCD Disk Image
jchk.FLP FLP Disk Image
jchk.GCD GCD Disk Image
jchk.GCM GameCube Image File
jchk.GI Global Disk Image
jchk.IBB IBB Disk Image
jchk.IBP IBP Disk Image
jchk.IBQ IsoBuster Disk Image
jchk.IMG Disk Image File
jchk.ISO ISO 9660 Disk Image
jchk.LST DVD Image List
jchk.MDF MDF Disk Image
jchk.MDS MDS CD/DVD Image
jchk.NRG Nero Disk Image
jchk.P01 P01 Disk Image
jchk.PDI InstantCopy Disc Image
jchk.PXI PXI Disk Image
jchk.TAO TAO Disk Image
jchk.UDI Universal Disk Image
jchk.VC4 VC4 Disk Image
jchk.VCD Farstone Virtual Drive
jchk.VDI Virtuo CD Manager Disk Image
Types of Documents
jchk.ABW AbiWord Document
jchk.CHM Compiled Help File
jchk.DJV DjVu Document
jchk.DJVU DjVu Document
jchk.DOC Corel WordPerfect Document
jchk.DOC Microsoft Word Document
jchk.DOCM Microsoft Word XML Document
jchk.DOCX Microsoft Open XML Word Document
jchk.GAN GanttProject File
jchk.HWP Hangul Word Processor Document
jchk.LOG Log File
jchk.ODM ODF Master Document
jchk.ODT ODF Text Document
jchk.OTH
jchk.PDB Palm AportisDoc Document
jchk.PDF Portable Document Format Document
jchk.PSW Pocket Word Document
jchk.RTF Rich Text Format Document
jchk.SDW StarWriter Document
jchk.SGL StarWriter Master Document
jchk.STW OpenOffice.org 1.0/value/jchk Template
jchk.SXG OpenOffice.org 1.0 Master Document
jchk.SXW OpenOffice.org 1.0 Text Document
jchk.TXT Text Document
jchk.UOF Unified Office Format Document
jchk.UOT Unified Office Format Document
jchk.WPD WordPerfect Document
jchk.WPS Microsoft Works Document
jchk.XML DocBook Document
Types of Images
jchk.!S ZX Spectrum Hobetta Image
jchk.$C ZX Spectrum Hobetta Image
jchk.$S ZX Spectrum Hobetta Image
jchk.001 Ricoh Fax Image
jchk.001 SmartFax Image
jchk.16 LSS16 Image
jchk.2BP Pocket PC Bitmap Image
jchk.2D Amapi Image
jchk.301 Brooktrout 301 Image
jchk.3FR Hasselblad 3F RAW Image
jchk.411 Mavica Image
jchk.4BIT GoDot Image
jchk.4BT GoDot Image
jchk.73I TI Bitmap Image
jchk.82I TI Bitmap Image
jchk.83I TI Bitmap Image
jchk.85I TI Bitmap Image
jchk.86I TI Bitmap Image
jchk.89I TI Bitmap Image
jchk.92I TI Bitmap Image
jchk.A64 Artist 64 Image
jchk.ABS Optocat Image
jchk.ACE Aces200 Image
jchk.ACR Dicom Image
jchk.AFX Auto F/X Image
jchk.ALIAS Alias Image File
jchk.ALS Alias Image File
jchk.AMI Amica Paint Image
jchk.ANI Animated Mouse Cursor Image
jchk.ANI Windows Animated Cursor
jchk.ANV AirNav Image
jchk.APX Photopaint Image
jchk.ARF ARF Image
jchk.ARN Astronomical Research Network Image
jchk.ART Art Director Image
jchk.ART Artisan Image
jchk.ART Advanced Art Studio Image
jchk.ART Pfs Art Publisher Image
jchk.ATK Andrew Toolkit raster object Image
jchk.ATT AT&T Group 4 Image
jchk.AVS Stardent AVS X Image
jchk.B&W ImageLab Image
jchk.B16 PCO Image
jchk.B3D B3D (images) Image
jchk.BFL BFLI Image
jchk.BFLI BFLI Image
jchk.BFX Bfx Bitware Image
jchk.BGA OS/2 Bitmap Image
jchk.BIE JBIG Image
jchk.BIF byLight Image
jchk.BIG Cartes Michelin Image
jchk.BLD MegaPaint Image
jchk.BLK Amiga IFF Image
jchk.BM X11 Bitmap Image
jchk.BMC Embroidery Image
jchk.BMF BMF Image
jchk.BMP Windows Bitmap Image
jchk.BMP Alpha Microsystems BMP Image
jchk.BMS Playback Bitmap Sequence Image
jchk.BOB Bob Raytracer Image
jchk.BPX Truevision Targa Image
jchk.BRK Brooktrout 301 Image
jchk.BRT Brooktrout 301 Image
jchk.BS Printfox/Pagefox Image
jchk.BTN JustButtons animated bitmap Image
jchk.BUM Poser Bump Image
jchk.BW Silicon Graphics RGB Image
jchk.B_W ImageLab Image
jchk.C4 Edmics Image
jchk.CAL CALS Raster Image
jchk.CALS CALS Raster Image
jchk.CAM Casio QV-10/100 Camera Image
jchk.CAN Canon Navigator Fax Image
jchk.CAR NeoBook Cartoon Image
jchk.CAT Photomatrix Image
jchk.CBM Fuzzy bitmap Image
jchk.CDR Corel Draw Bitmap (preview) Image
jchk.CDU CDU Paint Image
jchk.CE Computer Eyes, Digital Vision Image
jchk.CE1 ComputerEyes Raw Image
jchk.CE2 ComputerEyes Raw Image
jchk.CEL Kiss Cel Image
jchk.CFT Optigraphics Image
jchk.CIN Kodak Cineon Image
jchk.CIT Intergraph Format Image
jchk.CLO Cloe Ray-Tracer Image
jchk.CLOE Cloe Ray-Tracer Image
jchk.CLP Windows Clipboard Image
jchk.CLP PC Paint / Pictor Page Image
jchk.CLP GoDot Image
jchk.CMP Discorp CMP Image
jchk.CMT Chinon ES-1000 digital camera Image
jchk.CMU CMU Window Manager Image
jchk.CMX Corel Metafile Exchange (preview) Image
jchk.CP8 CP8 256 Gray Scale Image
jchk.CPI Calamus Image
jchk.CPT CorelDraw Photopaint Image
jchk.CR2 Raw Image File
jchk.CRG Calamus Image
jchk.CRW Raw Image File
jchk.CT Iris CT Image
jchk.CUR Mouse Cursor Image
jchk.CURSOR Sun Icon/Cursor
jchk.CUT Dr Halo Image
jchk.CVP Portrait Image
jchk.DAT SPOT Image
jchk.DCM Dicom Image
jchk.DCR Raw Image File
jchk.DCX Multipage PCX Image
jchk.DCX Zsoft Multi-page Paintbrush Image
jchk.DCX Zsoft Publisher's Paintbrush Image
jchk.DD Doodle C64 Image
jchk.DDS Microsoft DirectDraw Surface
jchk.DIA Dia UML Diagram
jchk.DIB Windows Bitmap Image
jchk.DIS DKB Ray-Tracer Image
jchk.DNG Raw Image File
jchk.DOO Doodle Atari Image
jchk.DPX DPX Image
jchk.DRZ Draz Paint Image
jchk.DWF AutoCAD Drawing
jchk.DWG AutoCAD Drawing
jchk.DXF AutoCAD Drawing eXchange Format Drawing
jchk.DXF AutoCAD Drawing
jchk.ECC Ecchi Image
jchk.EI Electric Image
jchk.EIDI Electric Image
jchk.EIF Eroiica Image
jchk.EMF Enhanced Metafile Format Image
jchk.EPA Award Bios Logo
jchk.EPS Encapsulated PostScript Image
jchk.ESM Enhance Simplex Image
jchk.FAC Usenix FaceServer Image
jchk.FACE Usenix FaceServer Image
jchk.FAX Fax Group 3 Image
jchk.FBM Fuzzy bitmap Image
jchk.FFF Maggi Hairstyles & Cosmetics Image
jchk.FI Flash Image
jchk.FIG XFig Drawing
jchk.FIT FIT Image
jchk.FITS Flexible Image Transport System Image
jchk.FLC Autodesk Animator Image
jchk.FLI Autodesk Animator Image
jchk.FPG DIV Game Studio Multi Map Image
jchk.FRE Male Normal CT Image
jchk.FRM Megalux Frame
jchk.FRM PhotoFrame
jchk.FSH EA Sports FSH Image
jchk.FSY PhotoFantasy Image
jchk.FTS Flexible Image Transport System Image
jchk.FXO WinFAX Image
jchk.FXS WinFAX Image
jchk.G3 Fax Group 3 Image
jchk.G3N Imaging Fax Image
jchk.G4 Access Image
jchk.GAF Total Annihilation Image
jchk.GB Printfox/Pagefox Image
jchk.GBR Gimp Brush Image
jchk.GEM Digital Research (GEM Paint) Image
jchk.GEO GeoPaint Image
jchk.GG Koala Paint (Compressed) Image
jchk.GIF Graphics Interchange Format Image
jchk.GIFF CompuServe GIF Image
jchk.GM Autologic Image
jchk.GM2 Autologic Image
jchk.GM4 Autologic Image
jchk.GRB HP-48/49 GROB Image
jchk.GREY Raw Image
jchk.GRO HP-48/49 GROB Image
jchk.GRY Raw Image
jchk.HDR Apollo HDRU Image
jchk.HDR ArcInfo Binary Image
jchk.HDRU Apollo HDRU Image
jchk.HED Hi-Eddi Image
jchk.HF HF Image
jchk.HIR Hires C64 Image
jchk.HPGL HP Graphics Language Image
jchk.HPI Hemera Photo Image
jchk.HR TRS 80 Image
jchk.HRU HRU Image
jchk.HRZ Slow Scan Television Image
jchk.HTA Hemera Thumbs Image
jchk.I17 Pixel Power Collage Image
jchk.I18 Pixel Power Collage Image
jchk.IB7 Pixel Power Collage Image
jchk.ICA IOCA Image
jchk.ICB Image Capture Board Image
jchk.ICN RIPTerm Image
jchk.ICNS Macintosh Icon File
jchk.ICO Windows Icon File
jchk.ICO Sun Icon/Cursor
jchk.ICON Sun Icon/Cursor
jchk.IDC Core IDC Image
jchk.IF9 Pixel Power Collage Image
jchk.IFF Explore (TDI) & Maya Image
jchk.IFF Sun TAAC Image
jchk.IFF Amiga IFF Image
jchk.IIM Inshape Image
jchk.IIMG Interleaf Image
jchk.ILBM Deluxe Paint, Electronic Arts Image
jchk.IM AIM Grey Scale Image
jchk.IM5 IM5 (Visilog) Image
jchk.IMA AIM Grey Scale Image
jchk.IMG ADEX Image
jchk.IMG Digital Research (GEM Paint) Image
jchk.IMG Imaging Technology Image
jchk.IMG Img Software Set Image
jchk.IMG Microtek Eyestar Image
jchk.IMG Planetary Data System Image
jchk.IMG Radiance Image
jchk.IMG Sharp GPB Image
jchk.IMG Starbase Image
jchk.IMG Vivid Ray-Tracer Image
jchk.IMG Autocad CAD-Camera Image
jchk.IMG Datacopy Image
jchk.IMG Vicar Image
jchk.IMT IMNET Image
jchk.INFO Amiga icon
jchk.IOCA IOCA Image
jchk.IPG Mindjongg Format Image
jchk.IPH InterPaint (Hires) Image
jchk.IPT InterPaint (Multicolor) Image
jchk.IRIS Iris graphic Image
jchk.IRIS Silicon Graphics RGB Image
jchk.ISH Image Speeder Image
jchk.ISM Image System (Multicolor) Image
jchk.ISS ISS Image
jchk.ITG Intergraph Format Image
jchk.IVB Truevision Targa Image
jchk.J JPEG / JFIF Image
jchk.J2K LuraWave JPEG-2000 Format Image
jchk.J6I Ricoh Digital Camera Image
jchk.JBF PaintShopPro Browser Cache File
jchk.JBG JBIG Image
jchk.JBIG JBIG Image
jchk.JFIF Joint Photographic Experts Group Image
jchk.JIF Joint Photographic Experts Group Image
jchk.JIF Jeff's Image Format Image
jchk.JJ Doodle C64 (Compressed) Image
jchk.JLS JPEG-LS Image
jchk.JNG Jpeg Network Graphics Image
jchk.JP2 LuraWave JPEG-2000 Format Image
jchk.JPC LuraWave JPEG-2000 Code Stream Image
jchk.JPE Joint Photographic Experts Group Image
jchk.JPEG Joint Photographic Experts Group Image
jchk.JPG Joint Photographic Experts Group Image
jchk.JPS Stereo Image
jchk.JPX LuraWave JPEG-2000 Format Image
jchk.JTF Hayes JTFax Image
jchk.K25 Kodak DC25 Camera Image
jchk.KDC Raw Image File
jchk.KFX Kofax Group 4 Image
jchk.KOA Koala Paint Image
jchk.KPS IBM Kips Image
jchk.KQP Konica Camera File
jchk.LBM Deluxe Paint, Electronic Arts Image
jchk.LDA LaserData Image
jchk.LFF LucasFilm Format Image
jchk.LIF Homeworld Texture
jchk.LVP LView Pro Image
jchk.LWI Light Work Image
jchk.M8 Heretic II MipMap Image
jchk.MAC Mac Paint Image
jchk.MACP Mac Paint Image
jchk.MAG MAGIchan Graphics Image
jchk.MAP DIV Game Studio Map Image
jchk.MAP Fenix Map Image
jchk.MBFAVS Stardent AVS X Image
jchk.MBFS Stardent AVS X Image
jchk.MBM Psion Serie 5 Bitmap Image
jchk.MDI Microsoft Document Imaging Image
jchk.MDL Half-Life Model Image
jchk.MGR MGR bitmap Image
jchk.MIF Image Magick file
jchk.MIFF Image Magick file
jchk.MIL Micro Illustrator Uncompressed Image
jchk.MNG Multiple Network Graphics Image
jchk.MPNT Mac Paint Image
jchk.MRF Marks Russel File
jchk.MRW Minolta Raw Image File
jchk.MSK PaintShopPro Mask
jchk.MSP Microsoft Paint Image
jchk.MTV MTV Ray-Tracer Image
jchk.MTX Maw-Ware Textures Image
jchk.NCD CoverDesigner Image
jchk.NCR NCR Image
jchk.NCT CoverDesigner Template
jchk.NEF Raw Image File
jchk.NEO Neochrome (ST & TT) Image
jchk.NGG Nokia Group Graphics Image
jchk.NITF National Imagery Transmission Image
jchk.NLM Nokia Logo File
jchk.NOL Nokia Operator Logo
jchk.NPM Neopaint Mask
jchk.OAZ OAZ Fax Image
jchk.OCP Advanced Art Studio Image
jchk.OFX Olicom Fax Image
jchk.OIL Open Image Library Format Image
jchk.ORF Raw Image File
jchk.OTB Nokia OTA Image
jchk.P64 Picasso 64 Image
jchk.P7 XV Visual Schnauzer Image
jchk.PAC Stad Image
jchk.PAINT Mac Paint Image
jchk.PAN SmoothMove Pan Viewer Image
jchk.PAT Gimp Pattern
jchk.PAT Corel Draw Pattern (preview) Image
jchk.PBM Portable Bitmap Image
jchk.PBM Portable Bitmap Image
jchk.PBT Micro Dynamics MARS Image
jchk.PC1 Degas & Degas Elite Image
jchk.PC2 Degas & Degas Elite Image
jchk.PC3 Degas & Degas Elite Image
jchk.PCC Zsoft Publisher's Paintbrush Image
jchk.PCD Kodak Photo CD Image
jchk.PCL Page Control Language Image
jchk.PCT Mac Pict Image
jchk.PCT NIST ihdr Image
jchk.PCX Zsoft Paintbrush Image
jchk.PD Male MRI Image
jchk.PDB MonkeyCard Image
jchk.PDB MonkeyLogo
jchk.PDB Palm Pilot Image
jchk.PDB Photo Deluxe Image
jchk.PDB TealPaint Image
jchk.PDD Photo Deluxe Image
jchk.PDN Paint.NET Image
jchk.PDS Planetary Data System Image
jchk.PDX Mayura Draw Image
jchk.PE4 Ulead Texture
jchk.PEF Raw Image File
jchk.PFR PaintShopPro Frame
jchk.PG Printfox/Pagefox Image
jchk.PGC Portfolio Graphics Compressed Image
jchk.PGF Portfolio Graphics Image
jchk.PGM Portable Graymap Image
jchk.PHP Adobe PhotoParade Image
jchk.PI Blazing Paddles Image
jchk.PI1 Degas & Degas Elite Image
jchk.PI2 Degas & Degas Elite Image
jchk.PI3 Degas & Degas Elite Image
jchk.PI4 Degas & Degas Elite Image
jchk.PI5 Degas & Degas Elite Image
jchk.PI6 Degas & Degas Elite Image
jchk.PIC Macintosh Quickdraw/Pict Image
jchk.PIC PC Paint / Pictor Page Image
jchk.PIC Pixar Image
jchk.PIC Radiance Image
jchk.PIC Rayshade Image
jchk.PIC Advanced Art Studio Image
jchk.PIC Bio-Rad confocal Image
jchk.PIC Psion Serie 3 Bitmap Image
jchk.PIC Softimage
jchk.PIC Stad Image
jchk.PIC WinMIPS Image
jchk.PICIO Pixar Image
jchk.PICT Macintosh Quickdraw/Pict Image
jchk.PICT2 Macintosh Quickdraw/Pict Image
jchk.PIG Ricoh IS30 Image
jchk.PIX Alias Image File
jchk.PIX Truevision Targa Image
jchk.PIX Vort Image
jchk.PIX ESM Software Pix Image
jchk.PIX PABX Image
jchk.PIXAR Pixar Image
jchk.PLT HP Graphics Language Image
jchk.PM X11 Pixmap Image
jchk.PM PM Image
jchk.PMG Paint Magic Image
jchk.PMP Sony DSC-F1 Cyber-shot Image
jchk.PNG Portable Network Graphic Image
jchk.PNM Portable Image
jchk.PNT Mac Paint Image
jchk.PNTG Mac Paint Image
jchk.PP4 Micrografx Picture Publisher 4.0 Image
jchk.PP5 Micrografx Picture Publisher 5.0 Image
jchk.PPM Portable Pixelmap Image
jchk.PPP Punk Productions Picture
jchk.PR Sun Icon/Cursor
jchk.PRC Picture Gear Pocket Image
jchk.PRF Polychrome Recursive Format Image
jchk.PRI Prisms Image
jchk.PSD Adobe Photoshop Image
jchk.PSE IBM Printer Page Segment Image
jchk.PSF PhotoStudio File
jchk.PSP PaintShopPro Image
jchk.PST Ulead Pattern
jchk.PWP Seattle Film Works multi-image
jchk.PXA Pixia Image
jchk.PXA Pegs Image
jchk.PXB Pixibox Image
jchk.PXR Pixar Image
jchk.PXS Pegs Image
jchk.PZL Puzzle Image
jchk.PZP MGI Photosuite Project Image
jchk.Q0 Q0 Image
jchk.QDV Qdv (Random Dot Software) Image
jchk.QRT Qrt Ray-Tracer Image
jchk.QTI QuickTime Image Format Image
jchk.QTIF QuickTime Image Format Image
jchk.QTL YUV 16Bits Image
jchk.QTL YUV 4:4:4 Image
jchk.QTL YUV 4:1:1 Image
jchk.QTL YUV 4:2:2 Image
jchk.RAD Radiance Image
jchk.RAF Raw Image File
jchk.RAS Sun Raster Image
jchk.RAST Sun Rasterfile
jchk.RAW Raw Image File
jchk.RGB Q0 Image
jchk.RGB Silicon Graphics RGB Image
jchk.RGBA Silicon Graphics RGB Image
jchk.RGH ZZ Rough Image
jchk.RIX ColoRIX Image
jchk.RL4 Windows Bitmap Image
jchk.RL8 Windows Bitmap Image
jchk.RLA Wavefront Raster Image
jchk.RLB Wavefront Raster Image
jchk.RLC Image Systems RLC2 Graphic Image
jchk.RLE ADEX Image
jchk.RLE Intergraph Format Image
jchk.RLE Utah raster Image
jchk.RLE Windows Bitmap Image
jchk.RP Rainbow Painter Image
jchk.RPBM Portable Bitmap Image
jchk.RPGM Portable Greyscale Image
jchk.RPM RunPaint (Multicolor) Image
jchk.RPNM Portable Image
jchk.RPPM Portable Image
jchk.RS Sun Rasterfile
jchk.RSB Red Storm Image
jchk.SAR Saracen Paint Image
jchk.SC2 Msx 2 Screen Image
jchk.SCI SciFax Image
jchk.SCI ColoRIX Image
jchk.SCR Sun Rasterfile
jchk.SCR ZX Spectrum Standard Screen Image
jchk.SCT SciTex Continuous Tone Image
jchk.SCX ColoRIX Image
jchk.SD0 Dali Raw Image
jchk.SD1 Dali Raw Image
jchk.SD2 Dali Raw Image
jchk.SDG Star Office Gallery Image
jchk.SDT SmartDraw 6 Template
jchk.SEQ Stad Image
jchk.SFW Seattle Film Works Image
jchk.SGF StarWriter Graphics Format Image
jchk.SGI Silicon Graphics RGB Image
jchk.SGV StarDraw Image
jchk.SI Softimage
jchk.SIM Aurora Image
jchk.SIR BYU SIR Image
jchk.SIR Solitaire Image Recorder Image
jchk.SJ1 Sega SJ-1 DIGIO Image
jchk.SKF Autodesk SKETCH thumbnail Image
jchk.SKN Skantek Image
jchk.SKP Autodesk SketchUp component Image
jchk.SMP Xionics SMP Image
jchk.SNA ZX Spectrum Snapshot Image
jchk.SPC Spectrum 512 (Compressed) Image
jchk.SPS Spectrum 512 (Smooshed) Image
jchk.SPU Spectrum 512 Image
jchk.SR Sun Rasterfile
jchk.SR2 Sony Raw Image File
jchk.SRF Sony Raw Image File
jchk.SSI SriSun Image
jchk.SSP Axialis Screensaver Image
jchk.ST4 SBIG CCD camera ST-X Image
jchk.ST4 SBIG CCD camera ST-4 Image
jchk.ST5 SBIG CCD camera ST-X Image
jchk.ST6 SBIG CCD camera ST-X Image
jchk.ST7 SBIG CCD camera ST-X Image
jchk.ST8 SBIG CCD camera ST-X Image
jchk.STM PhotoStudio Stamp Image
jchk.STW Neopaint Stamp Image
jchk.STX SBIG CCD camera ST-X Image
jchk.SUL Gfa Raytrace Image
jchk.SUN Sun Rasterfile
jchk.SUNIFF Sun TAAC Image
jchk.SVG Scalable Vector Graphics Image
jchk.SVGZ GZip Compressed Scalable Vector Graphics Image
jchk.SYN Synthetic Universe Image
jchk.SYNU Synthetic Universe Image
jchk.T1 Male MRI Image
jchk.T2 Male MRI Image
jchk.TAAC Sun TAAC Image
jchk.TAP Oric TAP Image
jchk.TARGA Truevision Targa Image
jchk.TDI Explore (TDI) & Maya Image
jchk.TDIM Digital F/X Image
jchk.TEX PaintShopPro Texture
jchk.TG4 TG4 Image
jchk.TGA Truevision Targa Image
jchk.THB KinuPix Skin Image
jchk.TIF Tagged Image File Format Image
jchk.TIFF Tagged Image File Format Image
jchk.TIL Buttonz & Tilez texture
jchk.TILE Eclipse Image
jchk.TIM Sony Playstation TIM Image
jchk.TIM TIFF Revision 6 Image
jchk.TN1 Tiny Image
jchk.TN2 Tiny Image
jchk.TN3 Tiny Image
jchk.TNL Thumbnail Image
jchk.TNY Tiny Image
jchk.TTF Optigraphics Tiled Image
jchk.TUB PaintShopPro Picture Tube Image
jchk.UPI Ulead PhotoImpact Image
jchk.URT Utah raster Image
jchk.UYVY YUV 16Bits Image
jchk.VDA Video Display Adapter Image
jchk.VFF Sun TAAC Image
jchk.VGA Windows Bitmap Image
jchk.VI Jovian VI Image
jchk.VIC Vicar Image
jchk.VICAR Vicar Image
jchk.VID Vidcom 64 Image
jchk.VIF Khoros Visualization Image file
jchk.VIF Verity Image
jchk.VIFF Khoros Visualization Image file
jchk.VIT VITec Image
jchk.VOB Vue d'esprit Image
jchk.VPB Quantel VPB Image
jchk.VST Vista Image
jchk.WAD WAD (Half Life) Image
jchk.WAL Quake Texture
jchk.WAP Wireless Bitmap Image
jchk.WBC WebShots Image
jchk.WBM Wireless Bitmap Image
jchk.WBMP Wireless Bitmap Image
jchk.WBZ WebShots Image
jchk.WFX WinFAX Image
jchk.WPG WordPerfect Graphics Image
jchk.WRL VRML2 Image
jchk.X Stardent AVS X Image
jchk.X11 X Windows System Dump Image
jchk.X3F Raw Image File
jchk.XAR Xara Image
jchk.XBM X Bitmap Image
jchk.XCF Gimp Bitmap Image
jchk.XIF Xerox DIFF Image
jchk.XIM Ximage
jchk.XP0 SecretPhotos Puzzle Image
jchk.XPM X PixMap Image
jchk.XV Khoros Visualization Image file
jchk.XWD X Windows System Dump Image
jchk.YUV YUV 16Bits Image
jchk.YUV YUV 4:1:1 Image
jchk.YUV YUV 4:2:2 Image
jchk.YUV YUV 4:4:4 Image
jchk.ZBR Zoner Zebra Metafile
jchk.ZMF Zoner Callisto Metafile
jchk.[B] Amica Paint Image
Types of Metadata Files
jchk.ABT AbiWord Template
jchk.ASA ASP Configuration File
jchk.ASX Advanced Stream Redirector
jchk.B4S Winamp 3+ Playlist
jchk.BTSEARCH BitTorrent Search File
jchk.BUP DVD Information File
jchk.CGM Computer Graphics Metafile
jchk.CKZ CKZ Checksum File
jchk.CODE eXtensible Stylesheet Language Transformation File
jchk.CONFIG Configuration File
jchk.CRC Cyclic Redundancy Check Checksum File
jchk.CUE Cue Sheet
jchk.DOT Microsoft Word Template
jchk.DOTM Microsoft Word XML Template
jchk.DOTX Microsoft Open XML Word Template
jchk.EMF Enhanced Metafile
jchk.IFO DVD Information File
jchk.INI Initialization File
jchk.M3U MP3 Uniform Resource Locator
jchk.MANIFEST Windows Assembly Manifest File
jchk.MD5 MD5 Checksum File
jchk.MET OS/2 Metafile
jchk.MP TeX Metapost Macro
jchk.NFO Downloaded Program Information
jchk.OTP ODF Presentation Template
jchk.OTS ODF Spreadsheet Template
jchk.OTT ODF Text Document Template
jchk.PAR Parity Checksum File
jchk.PLS Playlist
jchk.POT Microsoft PowerPoint Template
jchk.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
jchk.POTX Microsoft Open XML PowerPoint Template
jchk.SFV SFV Checksum File
jchk.SHAPE Dia Shape File
jchk.SRT DVD Subtitles File
jchk.STC OpenOffice.org 1.0 Spreadsheet Template
jchk.STI OpenOffice.org 1.0 Presentation Template
jchk.STW OpenOffice.org 1.0 Text Document Template
jchk.SVM StarView MetaFile
jchk.TEX TeX PSTricks Macro
jchk.TORRENT BitTorrent Tracker File
jchk.VLC VLC Media Player Data
jchk.VOR StarWriter Template
jchk.VOR StarCalc Template
jchk.VOR StarImpress Template
jchk.WMF Windows Metafile
jchk.XLM Microsoft Excel Macro
jchk.XLT Microsoft Excel Template
jchk.XLTM Microsoft Excel XML Template
jchk.XLTX Microsoft Excel XML Template
jchk.XLW Microsoft Excel Workspace
jchk.XSPF XML Shareable Playlist Format
Types of Plugins
jchk.XPI Firefox Plugin
Types of Presentations
jchk.ODG ODF Drawing Presentation
jchk.ODP ODF Presentation
jchk.PPS Microsoft PowerPoint Show
jchk.PPSX Microsoft Open XML PowerPoint Show
jchk.PPT Microsoft PowerPoint Presentation
jchk.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
jchk.PPTX Microsoft Open XML PowerPoint Presentation
jchk.SDA StarDraw Drawing
jchk.SDD StarDraw Drawing
jchk.SDD StarImpress Presentation
jchk.SXD Microsoft OpenOffice.org 1.0 Drawing
jchk.SXI OpenOffice.org 1.0 Presentation
jchk.UOF Unified Office Format Presentation
jchk.UOP Unified Office Format Presentation
Types of Shell Scripts
jchk.AU3 AutoIt Script
jchk.BAT Windows Batch File
jchk.BSH Bash Shell Script
jchk.SH Unix Shell Script
Types of Source Code
jchk.ASAX ASP.Net Open XML Configuration File
jchk.ASP Active Server Page Source File
jchk.ASPX ASP.Net Open XML Source File
jchk.C C Source File
jchk.CGI Perl Source File
jchk.CPP C++ Source File
jchk.CS C# Source File
jchk.CSPROJ C# Project File
jchk.CSS Cascading Style Sheets Source File
jchk.CXX C++ Source File
jchk.H C Header File
jchk.HPP C++ Header File
jchk.HTA
jchk.HTM Hypertext Markup Language Source File
jchk/value/jchk Hypertext Markup Language Source File
jchk.JAVA JAVA Source File
jchk.JS JavaScript Source File
jchk.JSP JavaServer Pages Source File
jchk.MHT
jchk./value/jchk
jchk.PHP PHP Source File
jchk.PHP3 PHP3 Source File
jchk.PL Perl Source File
jchk.PM Perl Module
jchk.RC C++ Resource Compiler Script
jchk./value/jchk Server Side Includes/value/jchk File
jchk.SQL SQL Database Query
jchk.STM Server Side Includes/value/jchk File
jchk.VB Visual Basic .Net Source File
jchk.VBPROJ Visual Basic .Net Project File
jchk.VBS Visual Basic Script
jchk.XAML Extensible Application Markup Language
jchk.XML Extensible Markup Language
Types of Spreadsheets
jchk.123 IBM Lotus 1-2-3 Spreadsheet
jchk.DIF Data Interchange Format Document
jchk.ODS ODF Spreadsheet
jchk.PXL Pocket Excel Spreadsheet
jchk.SDC StarCalc Spreadsheet
jchk.SLK SYLK Spreadsheet
jchk.SXC OpenOffice.org 1.0 Spreadsheet
jchk.UOF Unified Office Format Spreadsheet
jchk.UOS Unified Office Format Spreadsheet
jchk.WB2 Quattro Pro Spreadsheet
jchk.WK1 Lotus 1-2-3 Spreadsheet
jchk.WKS Lotus 1-2-3 Spreadsheet
jchk.XLC Microsoft Excel Chart
jchk.XLS Microsoft Excel Spreadsheet
jchk.XLSB Microsoft Excel Binary Spreadsheet
jchk.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
jchk.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
jchk.3G2 3G Mobile Phone Video
jchk.3GP 3G Mobile Phone Video
jchk.ASF Advanced Systems Format Video
jchk.AVI Audio Video Interleave
jchk.BIK Bink Video
jchk.BIN Binary DVD Video
jchk.DAT VCD Video
jchk.DIVX DivX Movie
jchk.DV Digital Video
jchk.FLV Flash Video
jchk.GXF General eXchange Format
jchk.M1V MPEG-1 Video
jchk.M2TS MPEG-2 Transport Stream Videos
jchk.M2V MPEG-2 Video
jchk.M4V MPEG-4 Video File
jchk.MKV Matroska Video Stream
jchk.MOV Apple QuickTime Movie
jchk.MP4 MPEG-4 Part 14 Multimedia Container
jchk.MPEG MPEG Video
jchk.MPEG1 MPEG-1 Video
jchk.MPEG2 MPEG-2 Video
jchk.MPEG4 MPEG-4 Video
jchk.MPG MPEG Video
jchk.MTS AVCHD Video File
jchk.MXF Material eXchange Format
jchk.OGM Ogg Multimedia Container File
jchk.RM RealMedia Streaming Media File
jchk.RMVB RealMedia Variable Bitrate Media File
jchk.SWF Adobe Flash Movie
jchk.TS DVD Video
jchk.VOB DVD Video Object
jchk.WMV Windows Media Video
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