SD2 File Type

- The quick facts

What are SD2 files and how to open them

Are you having problems opening a SD2 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 SD2 file?

A .SD2 file is a Sound Designer II audio file. Through our analysis of SD2 files, we know that one use of the format is Sound Designer II audio. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open SD2 files

Important: Different programs may use files with the SD2 file extension for different purposes, so unless you are sure which format your SD2 file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different SD2 openers which you will find listed below.

Last updated: January 5, 2022

Suggest another file format using extension SD2

While we know of one file format using the .SD2 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .SD2 file.

Various apps that use files with this extension

These apps are known to open certain types of SD2 files. Remember, different programs may use SD2 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

WavePad Sound EditorWavePad Sound EditorUser submitted
WavePad Audio-EditorWavePad Audio-EditorUser submitted
QuickTimeQuickTimeUser submitted
WinampWinampUser submitted
QuickTime AlternativeQuickTime AlternativeUser submitted
MixPad Multitrack Recording SoftwareMixPad Multitrack Recording SoftwareUser submitted
SAS Enterprise GuideSAS Enterprise GuideUser submitted
Storm CodecStorm CodecUser submitted
2012 Lacerte Tax2012 Lacerte TaxUser submitted
QT LiteQT LiteUser submitted
We have not verified any software that we know for certain will work with SD2-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with SD2-files. If you know one, please use the 'Suggest a program' link below and tell us about it!