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ALS File

What are ALS files and how to open them

Are you having problems opening an ALS file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ALS files.

What is an ALS file?

ALS files have multiple uses, and MPEG-4 ALS (Audio Lossless coding Standard) is one of them. Read more about the other uses further down the page.

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 ten different ALS openers which you will find listed below.

Last updated: September 9, 2023

All known file formats using extension .ALS

While MPEG-4 ALS (Audio Lossless coding Standard) is a popular type of ALS-file, we know of 2 different uses of the .ALS file extension. Different software may use files with the same extension for different types of data.

Psion Serie 3 Application Alias

We know that one ALS format is Psion Serie 3 Application Alias. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

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
LiveLiveUser submitted
XnViewXnViewUser submitted
Synergis AdeptSynergis AdeptUser submitted
FemtetFemtetUser submitted
AusLogics Visual StylerAusLogics Visual StylerUser submitted
Artworks BasicArtworks BasicUser 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.