Click the "Select File" button above, and choose your SMPX file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert SMPX to another file type
To convert SMPX accompaniment files to another format, you need MakeMusic Cloud or other Audio software.
Convert a file to SMPX
To convert other file formats to the "Interactive Accompaniment File" file type, you need software like MakeMusic Cloud or a similar tool.
About SMPX files
The .SMPX file format is a proprietary SmartMusic Accompaniment File created by MakeMusic. These files store interactive backing tracks, sheet music notation, and assessment parameters used by music students for practice. They are natively opened using the MakeMusic Cloud (formerly SmartMusic) platform. The primary disadvantage of the .SMPX format is its closed, proprietary nature. Users are locked into the MakeMusic ecosystem, which requires a paid subscription to access the files. You cannot play an .SMPX file in standard media players like VLC or view the notation in standard PDF readers. The files are not supported by web browsers, making sharing with non-subscribers impossible. Users usually want to convert .SMPX files to standard audio formats like MP3 or WAV to listen on any device, or to MIDI or XML (MusicXML) to edit the notation in software like Finale or MuseScore. However, standard online converters fail to process .SMPX files because the data is bundled in a restricted container format designed to prevent unauthorized copying. Because this file format is difficult to open or convert, often only the original MakeMusic software can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your SMPX file, detects the exact format, and lets you read the text inside.
FAQ
If you want to convert SMPX file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use MakeMusic Cloud or similar software from the "Interactive Music Accompaniment" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to SMPX, try MakeMusic Cloud or another comparable tool in the "Interactive Music Accompaniment" category.
The SMPX 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 SMPX converter.