ALS File Type

- The quick facts

What are ALS files and how to open them

Are you having problems opening an ALS 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 an ALS file?

ALS files have multiple uses, and MPEG-4 ALS (Audio Lossless coding Standard) is one of them.

MPEG-4 ALS (Audio Lossless coding Standard)

These ALS files contain audio in Audio Lossless Coding Standard format, which is a part of the MPEG-4 Part 3 standard. These ALS files combine short and long-term predictors to improve the compression for sound with rich harmonics.

How to open ALS files

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

While we have not verified the apps ourselves yet, our users have suggested 9 different ALS openers which you will find listed below.

Last updated: April 24, 2021

More file formats using the ALS extension

Through our research of ALS files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Psion Serie 3 Application Alias

Various apps that use files with this extension

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

fcheckfcheckUser submitted
GIMPGIMPUser submitted
LogicAnalyzer ApplicationLogicAnalyzer ApplicationUser submitted
XnViewXnViewUser submitted
Synergis AdeptSynergis AdeptUser submitted
FemtetFemtetUser submitted
AusLogics Visual StylerAusLogics Visual StylerUser submitted
Artworks BasicArtworks BasicUser submitted
AQUATOXAQUATOXUser submitted

Help us help others

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