| .jia |
Digital Photo Navigator Album |
| .jxr |
JPEG XR Image |
| .jb2 |
JBIG2 Image |
| .jas |
Cheetah3D Model File |
| .jbig2 |
JBIG2 |
| .jtf |
JPEG Tagged Interchange Format |
| .j |
Java Source File |
| .jfif |
JPEG File Interchange Format |
| .jpe |
JPEG Image |
| .jbig |
Joint Bi-level Image Group File |
| .jfi |
JPEG File Interchange Image |
| .j2k |
JPEG 2000 Image |
| .jpd |
Java Process Definition |
| .jif |
JPEG Image File |
| .jbf |
Paint Shop Pro Browser Cache File |
| .jpf |
JPEG 2000 Image File |
| .jwl |
Roxio Jewel Case File |
| .jpg2 |
JPEG 2000 Image |
| .jpg-large |
Large JPEG Image |
| .jiff |
JPEG Image File Format |
| .jbmp |
JAmes OS Bitmap Image |
| .jbg |
Joint Bi-level Image Group File |
| .kfx |
Amazon KF10 eBook File |
| .kdi |
KD Player Skin Image File |