Find data file formats and file extensions that start with the letter J, or view thousands of formats in the complete list.
With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.
| Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List |
Data File Formats that Begin with the Letter ‘J’ |
|
| .j01 | File Extension from ADP Payroll Company |
| .jad | Java Application Descriptor extension (for installing MIDlets) |
| .jar | Java archive file |
| .jas | Graphics |
| .jav | Java source code file |
| .java | Java source code file |
| .jbc | Jam Byte-Code Hex file |
| BestCrypt File | |
| .jbd | Datafile (SigmaScan) |
| .jbf | Paint Shop Pro browser file |
| .jbk | Juno Backup file |
| .jbr | Jasc Paint Shop Pro Brush |
| .jbx | Project file (Project Scheduler 4) |
| .jdt | Accelio Capture Classic Filler |
| .jef | Janome NH10000 Sewing Machine file |
| .jet | Fax (Hybrid JetFax) |
| .jff | Bitmap graphics (JPEG File Interchange Format) |
| .jfif | JPEG image |
| .jfx | J2 Fax File |
| .jhtml | Dynamo Server Page |
| .jif | JPEG/JIFF Image |
| Jeff’s Image Format | |
| .jmx | JMeter file |
| .jnb | Sigma Plot Workbook file |
| .jnl | Ingres Journal file |
| .jnlp | Java Web Start file |
| .jnt | Windows Journal Note file |
| .job | Job file |
| Task Scheduler Task Object | |
| AI Research file | |
| QuestVision Vector Graphics file | |
| .jor | Journal file SQL |
| .jou | Journal backup (VAX Edt editor) |
| .jp2 | JPEG 2000 file |
| .jpc | Graphics (Japan PIC) |
| .jpeg | JPEG image |
| .jpf | JPEG 2000 file |
| .jpg | Bitmap graphics (Joint Photography Experts Group) |
| .jps | Stereo Image |
| .jpx | JBuilder Project file |
| .js | Microsoft Scripting Language “JScript” file extension |
| .jsd | eFAX Jet Suite Document |
| .jse | JScript Encoded Script file |
| .jsf | Fireworks Batch Script file |
| .jsh | Henter-Joyce, Inc. Jaws Script Header file |
| .json | JavaScript Object Notation file |
| .jsp | Java Server page |
| .jtf | Fax (Hayes JT Fax) |
| Bitmap graphics (JPEG Tagged Interchange Format) | |
| .jtp | Jetform file |
| .jup | (New Planet Software) Code Crusader user’s project preferences file |
| .jw | Text document (JustWrite) |
| .jwl | Library (JustWrite) |
| .jwp | Easy CD Creator Label file |
| JWP Document | |
| .jxr | JPEG XR file |
| .jzz | Spreadsheet (Jazz) |
Recommended Reading: An Introduction to Data File Formats and Their File Extensions
| Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List |
This article was originally published on June 24, 2010
