What are LANG files and how to open them

Are you having problems opening a LANG file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a LANG file?

A .LANG file is a GtkSourceView Language Definition file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open LANG files

Important: Different programs may use files with the LANG file extension for different purposes, so unless you are sure which format your LANG file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested five different LANG openers which you will find listed below.

Last updated: May 21, 2022

Various apps that use files with this extension

These apps are known to open certain types of LANG files. Remember, different programs may use LANG files for different purposes, so you may need to try out a few of them to be able to open your specific file.

KlipfolioKlipfolioUser submitted
BuddiBuddiUser submitted
Sakura Editor (Japanese)Sakura Editor (Japanese)User submitted
Notepad++Notepad++User submitted
NETELLER appNETELLER appUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about LANG file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.