A daily updated filename extension database!

JLS file extension

The table below provides useful information about the .jls file extension. It answers questions such as:

  • What is the .jls file?
  • What program do I need to open a .jls file?
  • How can the .jls file be opened, edited or printed?
  • How can I convert .jls files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Lossless JPEG Image

JLS file is a Lossless JPEG Image. JPEG-LS is a simple and efficient baseline algorithm which consists of two independent and distinct stages called modeling and encoding. JPEG-LS was developed with the aim of providing a low-complexity lossless and near-lossless image compression standard that could offer better compression efficiency than lossless JPEG.
Category: Graphic files
Application: XnView
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JLS aliases:
ljp, ljpg, ljs
JLS related links:
JLS related extensions:
JPEG Bitmap Image

Jpeg Network Graphics

JPEG 2000 Bitmap Image

Stereo JPEG Image

JPEG 2000 JPM Image

JPEG 2000 Code-stream Data

Other types of files may also use the .jls file extension.

🔄 .jls converters

The following softwares are capable of converting .jls files to other formats:

XnView, IrfanView

For example, using the softwares above, a .jls file can be converted into one of the following formats:

bmp, ecw, emf, exr, gif, ico, jp2, jpc, jpg, jpm, pbm, pcx, pdf, pgm, png

🚫 The .jls file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hls, ils, jis, jks, jl, jlc, jlw, jlx, jms, jos, jps, js, jsl, ls, mls

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Java Key Store
HTTP Live Streaming Video
National Language Support
Lightscape Solution File
LayaAir Scene Data
Guitar Rig Loop Machine Data
YuleLog Data
Lossless JPEG Image
Akeeba Secured Backup Archive

🔴 Can't open a .jls file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .jls file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .jls file extension, write to us!

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