J File Extensions
Browse file types with extensions beginning with J.
| Extension | File Type | Popularity |
|---|---|---|
| .J | Java Source File | 3.1 |
| .J | JPEG Image | 2.8 |
| .J | JAR Archive | 3.4 |
| .J01 | Akeeba Multi-part Backup Archive | 1.3 |
| .J2B | Jazz Jackrabbit 2 Music | 1.5 |
| .J2C | JPEG 2000 Code Stream | 3.0 |
| .J2I | Jazz 2 Internet Link File | 3.0 |
| .J2K | JPEG 2000 Image | 3.5 |
| .J2L | Jazz Jackrabbit 2 Level File | 3.0 |
| .J3O | jMonkeyEngine 3D Scene | 3.0 |
| .J64 | Atari Jaguar Game ROM | 1.7 |
| .J6I | Ricoh Camera Image File | 3.3 |
| .JA | Jet Archive | 3.0 |
| .JAAP | People Playground Contraption | 4.5 |
| .JAC | JaStaCry Encrypted File | 3.3 |
| .JAD | Java Application Descriptor File | 4.1 |
| .JAG | Jagex Data File | 3.3 |
| .JAG | Atari Jaguar Game ROM | 2.0 |
| .JAM | Jam STAPL File | 3.5 |
| .JAM | FigJam Board | 4.3 |
| .JAM | JAM Musical Score | 2.0 |
| .JAM | PS3 Unreal Tournament 3 Mod File | 1.3 |
| .JAM | Line 6 Device Recording | 2.8 |
| .JAP | Nonogram Puzzle File | 3.9 |
| .JAP | jAlbum Project Settings File | 2.0 |
| .JAP | Japanese Nintendo 64 Game ROM | 2.5 |
| .JAR | Java Archive | 4.3 |
| .JAR.PACK | Pack200 Packed Jar File | 3.6 |
| .JARC | WiiU or 3DS Archive File | 1.0 |
| .JARVIS | Jarvis Subscriber File | 3.7 |
| .JAS | Cheetah3D Model File | 2.7 |
| .JAS | Paint Shop Pro Compressed Graphic | 2.0 |
| .JASPER | JasperReports Data File | 3.8 |
| .JAV | Java Source File | 4.0 |
| .JAVA | Java Source Code File | 3.9 |
| .JB2 | JBIG2 Image | 2.7 |
| .JBC | Jam STAPL Byte-Code File | 3.4 |
| .JBEAM | BeamNG Vehicle Definition Format | 4.3 |
| .JBF | Paint Shop Pro Browser Cache File | 3.0 |
| .JBG | Joint Bi-level Image Group File | 2.2 |
| .JBI | Motoman Robot Job File | 3.4 |
| .JBIG | Joint Bi-level Image Group File | 3.0 |
| .JBIG2 | JBIG2 | 3.5 |
| .JBK | Juno Backup File | 3.8 |
| .JBMP | JAmes OS Bitmap Image | 1.0 |
| .JBR | Paint Shop Pro Brushes File | 2.5 |
| .JBR | Motoman Robot Related Job File | 2.0 |
| .JBX | Microsoft Play It! Music File | 1.7 |
| .JC | FlashGet Partial Download | 3.1 |
| .JC | Jacy Source Code File | 4.0 |
| .JC! | FlashGet Incomplete Download | 3.5 |
| .JCC | Justintime Compressed C Program | 2.0 |
| .JCD | JewelCAD Design | 3.4 |
| .JCEKS | JCEKS Keystore File | 3.8 |
| .JCL | JCloze File | 2.7 |
| .JCLIC | JClic Project File | 3.5 |
| .JCP | JCreator Project File | 3.0 |
| .JCR | Nonogram Puzzle File | 3.3 |
| .JCRYPT | JCRYPT File | 3.0 |
| .JCW | JCross File | 3.0 |
| .JCZ | Liquid Motion Animation | 2.0 |
| .JDAT | J&ASoft Data File | 3.2 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .JDC | JDownloader Links File | 2.8 |
| .JDF | Adobe Acrobat Job Definition File | 3.2 |
| .JDIS | JD Inno Setup Configurator | 2.5 |
| .JDL | Jammer Dash Level | 4.3 |
| .JDP | BlackBerry JDE Application Project | 2.3 |
| .JDR | IROAD Dash Cam Video File | 3.4 |
| .JDX | JCAMP-DX Data File | 2.3 |
| .JED | Xilinx JEDEC Programming File | 3.7 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .JEM | JSON Entity Model File | 3.9 |
| .JEM | Gogii Games Texture | 3.0 |
| .JENKINSFILE | Jenkins Pipeline Definition | 3.0 |
| .JET | The Jackbox Party Pack Settings | 4.7 |
| .JET | JET Database File | 2.7 |
| .JETKEY | iOS Support Jet File | 2.6 |
| .JEX | Joplin Export File | 3.4 |
| .JFI | JPEG File Interchange Image | 3.1 |
| .JFIF | JPEG File Interchange Format | 2.6 |
| .JFPROJ | JSON Font Project File | 4.0 |
| .JG4 | BigJig 4 Jigsaw Puzzle | 2.5 |
| .JG6 | BigJig Jigsaw 6 Puzzle | 1.5 |
| .JGC | JungleTac ROM File | 3.5 |
| .JGCSCS | EditPad Custom Syntax Coloring Scheme File | 2.3 |
| .JGW | JPEG World File | 3.2 |
| .JGZ | Gzipped Javascript File | 3.3 |
| .JHH | Tetris Online Poland Game Data Archive | 3.3 |
| .JHTML | Java HTML Web Page | 3.1 |
| .JIA | Digital Photo Navigator Album | 3.3 |
| .JIC | Java Icon File | 2.5 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .JIF | JPEG Interchange Format Image | 3.2 |
| .JIFF | JPEG Image File Format | 2.7 |
| .JIGDO | Jigdo Download Specification | 1.0 |
| .JIGSAW | Jigsaw Explorer Save File | 2.6 |
| .JIS | Japanese Industry Standard Text | 3.3 |
| .JKB | Jedi Knight Bot File | 4.0 |
| .JKM | JAWS Key Map File | 3.2 |
| .JKS | Java Keystore File | 3.4 |
| .JL | Julia Source Code File | 3.6 |
| .JLQM | LG QuickMemo Info File | 3.0 |
| .JLR | Juliar Source Code File | 3.8 |
| .JLS | JPEG-LS Image | 4.0 |
| .JMC | JM-Crypt Encrypted File | 3.5 |
| .JMCE | JM-Crypt Encrypted File | 3.0 |
| .JMCK | JM-Crypt Key File | 2.5 |
| .JMCP | JM-Crypt Encrypted File | 2.0 |
| .JMCR | JM-Crypt Encrypted File | 2.0 |
| .JMCX | JM-Crypt Encrypted File | 3.0 |
| .JMDL | WiiU or 3DS Model File | 1.0 |
| .JMF | Jackhammer Project | 3.7 |
| .JMOT | WiiU or 3DS Animation File | 1.0 |
| .JMP | JMP Data File | 3.4 |
| .JMS | Masher Project | 3.4 |
| .JMT | JMatch File | 3.5 |
| .JMV | Jnes Movie File | 3.1 |
| .JMX | JMix File | 3.9 |
| .JNB | SigmaPlot Notebook File | 2.7 |
| .JNG | JPEG Network Graphic | 3.6 |
| .JNILIB | JNI Library | 2.8 |
| .JNLP | Java Web Start File | 3.5 |
| .JNP | Java Web Start File | 3.5 |
| .JNR | JoinNet Recording File | 1.5 |
| .JNT | Windows Journal File | 3.7 |
| .JNX | BirdsEye JNX Raster Map | 3.5 |
| .JO | jo Audio File | 3.7 |
| .JO-7Z | jo Audio File | 2.6 |
| .JOB | Windows Task Scheduler Job File | 3.6 |
| .JOB | MetaCAM Nest Job File | 4.1 |
| .JOBOPTIONS | Adobe Joboptions File | 3.6 |
| .JOE | JOE Document | 2.8 |
| .JOINED | HJ-Split Data File | 3.0 |
| .JOS | Java OpenStreetMap Session Definition | 3.0 |
| .JOURNAL | 4th Dimension Data Log | 1.7 |
| .JOURNAL | Linux Journald Event Log | 3.5 |
| .JOY | CryENGINE Facial Editor Joystick File | 2.7 |
| .JOZ | Java OpenStreetMap Session | 3.5 |
| .JP1 | Japanese (Romaji) Text File | 3.0 |
| .JP2 | JPEG 2000 Core Image | 3.4 |
| .JPA | Akeeba Backup Archive | 4.1 |
| .JPC | JPEG 2000 Code Stream File | 3.8 |
| .JPD | Java Process Definition | 3.6 |
| .JPD | Joint PhotoDefiner Image | 2.5 |
| .JPE | JPEG Image | 3.6 |
| .JPEG | JPEG Image | 4.0 |
| .JPF | JPEG 2000 Image | 3.6 |
| .JPG | JPEG Image | 4.0 |
| .JPG-LARGE | Twitter Large-sized JPEG Image | 3.5 |
| .JPG2 | JPEG 2000 Image | 3.4 |
| .JPGW | JPEG World File | 3.0 |
| .JPG_LARGE | Twitter Large JPEG Image | 3.2 |
| .JPG_MEDIUM | Twitter Medium JPEG Image | 1.0 |
| .JPG_ORIG | Twitter Original-size JPEG Image | 2.5 |
| .JPG_SMALL | Twitter Small JPEG Image | 2.4 |
| .JPG_THUMB | Twitter Thumbnail JPEG Image | 3.0 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .JPM | JPEG 2000 Compound Image | 1.0 |
| .JPN | Windows Japanese Noise-Word List File | 2.3 |
| .JPR | JBuilder Project | 3.3 |
| .JPR | Fugawi Projection File | 1.7 |
| .JPS | Stereo JPEG Image | 3.9 |
| .JPS | Akeeba Backup Archive | 3.5 |
| .JPW | World File for JPEG | 3.0 |
| .JPX | JPEG 2000 Image File | 3.4 |
| .JPX | JBuilder Project | 1.6 |
| .JQ2SAVEGAME | Jewel Quest 2 Saved Game | 3.0 |
| .JQ3SAVEGAME | Jewel Quest III Saved Game | 2.0 |
| .JQZ | JQuiz File | 3.7 |
| .JRC | PCjr Cartridge ROM File | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .JRS | Exchange Reserve Transaction Log File | 2.3 |
| .JRTF | JAmes OS Rich Text File | 1.8 |
| .JRXML | JasperReports Layout File | 3.1 |
| .JRZ | PSP Game Data File | 2.3 |
| .JS | JavaScript File | 4.0 |
| .JS | JScript Executable Script | 3.7 |
| .JSA | JRun Server Application Event Handler | 1.0 |
| .JSC | Bytenode Compiled JavaScript | 4.3 |
| .JSD | Jazer Data File | 2.0 |
| .JSD | HP JetSuite Document | 2.0 |
| .JSDA | Jazer Data File | 1.0 |
| .JSE | JScript Encoded File | 3.2 |
| .JSF | Java Script Command File | 3.7 |
| .JSF | Project64 Joystick File | 2.0 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .JSH | JAWS Script Header File | 3.5 |
| .JSH | Jsh Script | 3.0 |
| .JSL | Corel PaintShop Pro Shape Library | 3.1 |
| .JSL | JMP Script | 4.0 |
| .JSON | JavaScript Object Notation File | 3.8 |
| .JSON.CRYPT14 | WhatsApp Backup Settings | 3.4 |
| .JSON5 | JSON5 Data File | 3.5 |
| .JSONC | JSON With Comments File | 3.5 |
| .JSONL | JSON Lines File | 3.3 |
| .JSONLZ4 | Compressed Firefox User Profile Data File | 3.9 |
| .JSP | Jakarta Server Page | 3.4 |
| .JSPA | Java Servlet Alias | 4.1 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .JSPF | JSON Playlist File | 2.0 |
| .JSPX | XML Jakarta Server Page | 3.3 |
| .JSS | JACOsub Subtitle File | 3.3 |
| .JSS | JAWS Script | 2.7 |
| .JSS | JavaScript Style Sheet File | 3.3 |
| .JST | Jnes Save State | 2.3 |
| .JST | JavaServer Page Document | 2.0 |
| .JSX | ExtendScript Script File | 3.6 |
| .JSX | React JavaScript File | 3.8 |
| .JSXBIN | Binary ExtendScript Script File | 3.5 |
| .JSXINC | ExtendScript Included Script File | 2.3 |
| .JT | JT Open CAD File | 3.8 |
| .JTBACKUP | Just Type Backup File | 3.5 |
| .JTD | JustSystems Ichitaro Document | 2.6 |
| .JTEX | WiiU or 3DS Texture File | 3.7 |
| .JTF | JPEG Tagged Interchange Format | 2.7 |
| .JTP | Windows Journal Template | 3.6 |
| .JTS | Cyberlink AVCHD Video File | 2.5 |
| .JTV | JRiver TV File | 3.7 |
| .JTX | ESE Transaction Log | 2.0 |
| .JTX | XPS Document | 1.0 |
| .JTX | Jrju Text File | 3.8 |
| .JUDE | JUDE Project File | 3.4 |
| .JUK | Juka Source Code File | 4.6 |
| .JV | Bitmap Brothers Video File | 2.3 |
| .JVS | JavaScript Proxy Autoconfig File | 2.0 |
| .JVSG | Video Surveillance Project | 4.2 |
| .JVSGZ | Compressed Video Surveillance Project | 3.8 |
| .JWC | JewelCase Maker File | 2.0 |
| .JWL | Roxio Jewel Case File | 2.4 |
| .JWLIBRARY | JW Library Backup | 4.3 |
| .JWPUB | Jehovah's Witnesses Publication | 4.0 |
| .JWS | Java Web Services File | 2.7 |
| .JWS | Java Workspace Settings File | 3.1 |
| .JXL | JPEG XL Image | 4.5 |
| .JXR | JPEG XR Image | 3.4 |