SOU Converter

Extract text from SOU files

Select File
Drop or upload your .SOU file

Online File Converter

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How to extract text from your SOU file

Click the "Select File" button above, and choose your SOU file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.

Convert SOU to another file type

To convert your SOU file to another format, you need Super Mario 64 Modding Tools or other Game software.

SOU to MP3
SOU to WAV
SOU to AAC
SOU to FLAC
SOU to OGG
SOU to WMA
SOU to M4A
SOU to AIFF
SOU to OPUS
SOU to ALAC
SOU to APE
SOU to WV

Convert a file to SOU

To convert other file formats to the "3D Object & Audio" file type, you need software like Super Mario 64 Modding Tools or a similar tool.

MIDI to SOU
AAC to SOU
TTA to SOU
AU to SOU
WV to SOU
DTS to SOU
MID to SOU
FLAC to SOU
RA to SOU
MP3 to SOU
PCM to SOU
WAV to SOU

About SOU files

A .sou file is a rare and ambiguous format that typically falls into one of two distinct categories, both causing significant compatibility friction for modern users.

1. Super Mario 64 Object File (Approx. 60% of cases)

Most commonly, this is a proprietary 3D model data file used in the development and modding of Super Mario 64. Created using the internal Nintendo SDK toolchain (known as NINGEN), these files define 3D objects and display lists for the Nintendo 64 hardware.

The Problem: Standard 3D software like Blender or Autodesk Maya cannot open these files directly. They rely on N64-specific display list commands.
The Solution: Modders typically need to convert these into standard OBJ or GLTF formats using specialized ROM editors or decompilation tools found in the SM64 modding community.

2. Creative Voice / SBStudio II Audio (Approx. 10% of cases)

Alternatively, a .sou file may be a legacy audio container associated with Creative Labs Sound Blaster hardware or SBStudio II. These are often raw PCM or ADPCM streams used in early 90s DOS games (like those from LucasArts).

The Problem: Because they often lack standard WAV headers, modern players like VLC Media Player may play them as static or fail to open them entirely.
The Solution: These should be converted to WAV or MP3 for archival and listening. Opening them as "Raw Data" in audio editors like Audacity is often the only way to recover the sound.

Convert.Guru analyzes your SOU file, detects the exact format, and lets you read the text inside.

Users also converted XBX, RBH and NFT files.

The SOU Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our SOU converter.