Browse alphabetically: J

File extension File description Developer/Producer
.j
Java Source File Oracle
.j2c
JPEG 2000 Code Stream Joint Photographic Experts Group
.j2i
Jazz 2 Internet Link File Epic Games
.j2k
JPEG 2000 Image Joint Photographic Experts Group
.j2l
Jazz Jackrabbit 2 Level File Epic Games
.j3o
jMonkeyEngine 3D Scene jMonkeyEngine
.ja
Jet Archive N3V Games
.jac
JaStaCry Encrypted File Kai Kretschmann
.jad
Java Application Descriptor File Oracle
.jag
Jagex Data File Jagex
.jam
Jam STAPL File Altera
.jap
Japanese Nintendo 64 Game ROM N/A
.jar
Java Archive File Oracle
.jar.pack
Pack200 Packed Jar File Oracle
.jarvis
Jarvis Subscriber File Jarvis Acting Company
.jas
Cheetah3D Model File Cheetah3D
.jasper
JasperReports Data File Jaspersoft
.jav
Java Source File Oracle
.java
Java Source Code File Oracle
.jb2
JBIG2 Image Joint Bi-level Image Group
.jbc
Jam STAPL Byte-Code File Altera
.jbf
Paint Shop Pro Browser Cache File Corel
.jbi
Motoman Robot Job File Motoman
.jbig
Joint Bi-level Image Group File Joint Bi-level Image Group
.jbig2
JBIG2 Joint Bi-level Image Group
.jbk
Juno Backup File Juno
.jbmp
JAmes OS Bitmap Image JAmes OS
.jbr
Paint Shop Pro Brushes File Corel
.jc
FlashGet Partial Download FlashGet
.jc!
FlashGet Incomplete Download FlashGet
.jclic
JClic Project File JClic
.jcp
JCreator Project File Xinox Software
.jcrypt
JCRYPT File JMasters
.jcz
Liquid Motion Animation Microsoft
.jdb
Symantec Endpoint Protection Update File Symantec
.jdc
JDownloader Links File The JDownloader Team
.jdf
Adobe Acrobat Job Definition File Adobe Systems
.jed
Xilinx JEDEC Programming File Xilinx
.jef
Janome Embroidery Format Janome
.jfi
JPEG File Interchange Image Joint Photographic Experts Group
.jfif
JPEG File Interchange Format N/A
.jg4
BigJig Jigsaw Puzzle Lena Games
.jgcscs
EditPad Custom Syntax Coloring Scheme File Just Great Software
.jgw
JPEG World File ESRI
.jgz
Gzipped Javascript File N/A
.jhtml
Java HTML Web Page N/A
.jia
Digital Photo Navigator Album JVC
.jic
Java Icon File N/A
.jif
JPEG Image File N/A
.jiff
JPEG Image File Format N/A
.jigsaw
Jigsaw Explorer Save File Carolina Road Software
.jis
Japanese Industry Standard Text N/A
.jkm
JAWS Key Map File Freedom Scientific
.jl
Julia Source Code File Julia
.jmp
JMP Data File SAS Institute
.jmv
Jnes Movie File Jabsoft
.jng
JPEG Network Graphic N/A
.jnilib
JNI Library Oracle
.jnlp
Java Web Start File Oracle
.jnt
Windows Journal File Microsoft
.jo
jo Audio File Abadie-jo
.jo-7z
jo Audio File Abadie-jo
.job
Windows Task Scheduler Job File Microsoft
.joboptions
Adobe Joboptions File Adobe Systems
.joe
JOE Document Cyril Hicks
.joined
HJ-Split Data File Freebyte
.joy
CryENGINE Facial Editor Joystick File Crytek
.jp1
Japanese (Romaji) Text File N/A
.jp2
JPEG 2000 Core Image File Joint Photographic Experts Group
.jpc
JPEG 2000 Code Stream File Joint Photographic Experts Group
.jpd
Java Process Definition N/A
.jpe
JPEG Image Joint Photographic Experts Group
.jpeg
JPEG Image Joint Photographic Experts Group
.jpf
JPEG 2000 Image Joint Photographic Experts Group
.jpg
JPEG Image Joint Photographic Experts Group
.jpg2
JPEG 2000 Image Joint Photographic Experts Group
.jpgw
JPEG World File ESRI
.jph
JProbe Memory Snapshot Quest
.jpn
Windows Japanese Noise-Word List File Microsoft
.jpr
JBuilder Project Embarcadero Technologies
.jps
Stereo JPEG Image N/A
.jpw
World File for JPEG ESRI
.jpx
JPEG 2000 Image File Joint Photographic Experts Group
.jrc
PCjr Cartridge ROM File N/A
.jrprint
JasperReports Print File Jaspersoft
.jrs
Exchange Reserve Transaction Log File Microsoft
.jrtf
JAmes OS Rich Text File JAmes OS
.jrxml
JasperReports Layout File Jaspersoft
.jrz
PSP Game Data File Sony
.js
JavaScript File N/A
.jsd
Jazer Data File Jazer Solutions
.jsda
Jazer Data File Jazer Solutions
.jse
JScript Encoded File Microsoft
.jsf
Project64 Joystick File Project64
.jsfl
Flash JavaScript File Adobe Systems
.jsh
JAWS Script Header File Freedom Scientific
.json
JavaScript Object Notation File N/A
.jsp
Java Server Page Oracle
.jspa
Java Servlet Alias N/A
.jspf
Java Server Page Fragment Oracle
.jspx
XML Java Server Page N/A
.jss
JACOsub Subtitle File JACOsub
.jst
JavaServer Page Document Oracle
.jsx
ExtendScript Script File Adobe Systems
.jsxbin
Binary ExtendScript Script File Adobe Systems
.jsxinc
ExtendScript Included Script File Adobe Systems
.jt
JT Open CAD File N/A
.jtbackup
Just Type Backup File Shubham Kedia
.jtf
JPEG Tagged Interchange Format N/A
.jtp
Windows Journal Template Microsoft
.jts
Cyberlink AVCHD Video File Cyberlink
.jtv
J. River TV File J. River
.jtx
ESE Transaction Log Microsoft
.jude
JUDE Project File N/A
.jvs
JavaScript Proxy Autoconfig File N/A
.jvsg
Video Surveillance Project JVSG
.jwl
Roxio Jewel Case File Roxio
.jws
Java Web Services File BEA Systems
.jxr
JPEG XR Image Microsoft