Click the "Select File" button above, and choose your SPX file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert SPX to another file type
The converter easily converts your SPX file to various formats - free and online. No Apple System Information or or other System software needed.
SPX to MP3
SPX to WAV
SPX to AAC
SPX to FLAC
SPX to OGG
SPX to WMA
SPX to AIFF
SPX to OPUS
SPX to AIF
SPX to DV
SPX to SWF
SPX to MXF
Convert a file to SPX
The converter also works in reverse, so you can convert other "Hardware Configuration Report" formats to SPX without using software like Apple System Information or a similar tool.
AAC to SPX
TTA to SPX
AU to SPX
WV to SPX
DTS to SPX
FLAC to SPX
MP3 to SPX
PCM to SPX
WAV to SPX
MKV to SPX
EA_CDATA to SPX
SUBVIEWER1 to SPX
About SPX files
The .SPX extension serves two distinct but common purposes: macOS System Information reports and compressed Speex audio recordings.
1. macOS System Profiler Report (Majority Use)
Generated by Apple macOS, these files contain detailed XML data about a computer's hardware, software, and network configuration. While essential for troubleshooting, the raw .SPX format is difficult to read without a Mac, cannot be opened natively on Windows, and is not suitable for printing or inventory spreadsheets.
Best for Archiving/Sharing: Convert to PDF to create a readable, universally compatible document for IT support.
Best for Inventory: Convert to CSV or XLSX to extract serial numbers and specs into a spreadsheet.
2. Speex Audio File
Developed by the Xiph.Org Foundation, this format is tailored for voice compression (VoIP and podcasts). However, it is now considered obsolete and has been superseded by the Opus codec. Modern media players and mobile devices often fail to recognize or play .SPX files.
Best for Playback: Convert to MP3 to ensure compatibility with all mobile devices and web browsers.
Best for Editing: Convert to WAV to preserve the remaining audio quality for editing in software like Audacity.
Use Convert.Guru to open and convert your SPX file.
If you want to convert SPX file to SPY, ES, M4A or ALAC, you can use Apple System Information or similar software from the "System Diagnostics / Voice Audio" category. In the File menu, look for Save As… or Export….
To convert MIDI, MID or RA files to SPX, try Apple System Information or another comparable tool in the "System Diagnostics / Voice Audio" category.
The SPX 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 SPX converter.