CHLS file format description

Many people share .chls files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .chls file can be edited, converted or printed with. On this page, we try to provide assistance for handling .chls files.

1 filename extension(s) found in our database.

.chls - Charles Session Data

The CHLS data files are related to Charles. The CHLS file is a Charles Session Data. Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet.

Data files
- / -
Charles Session Data related extensions:
HHsearch Results
StarMoney Agent Rollback Data
Orbscan Treatment Export Data
TeamForge Journal Data
Turbo FloorPlan 3D BMF Data
Modelbench Scene Template

Naturally, other applications may also use the .chls file extension. Even harmful programs can create .chls files. Be especially cautious with .chls files coming from an unknown source!

Can't open a .chls 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .chls file extension is often given incorrectly!

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

chl, chs, cls, hls

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

WinFast PVR Channel List
Visual Basic Class Module
Java Class Data
ArcInfo Geocoding Classification Data
HTTP Live Streaming Video
CLASS Group Abbreviation

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .chls file format, then write to us! >> CHLS file