JPEG-LS image format
File type: Bitmap image file
A jls file extension is related to the JPEG-LS image format. A jls file stores picture image.
Found 2 different file type records with the same jls filename suffix.
File type category:
Bitmap image file
Date updated: June 23, 2025
The jls file extension is associated with the JPEG-LS image format (lossless picture image format).
Lossless JPEG was developed as a late addition to JPEG in 1993, using a completely different technique from the lossy JPEG standard.
Lossless JPEG has some popularity in medical imaging, and is used in DNG and some digital cameras to compress raw images, but otherwise was never widely adopted.
Use XnView to view content of *.jls files.
Compatible tools may be able to export *.jls files to other formats.
XnView MP (Multiplatform)
XnView MP (Multiplatform)
File type category:
Various data file
Date updated: January 8, 2018
The jls file extension is associated with JAWS (Job Access With Speech), a Windows Screen Reading Software, developed by Freedom Scientific, Inc.
The jls file stores some kind of data used by JAWS.
JAWS (Microsoft Windows)
JAWS (Microsoft Windows)
Language