Download and install the latest version of Filestar.
Right click on one or more Spx file(s) on your desktop and select Convert with Filestar.
Type convert to wav in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.spx -c "convert to wav" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.spxContract.spx
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert SPX to WAV
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the SPX files in my Downloads folder to WAV”
Or run it yourself:
filestarcli -i file.spx -c "convert to wav"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent convert SPX to WAV?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.spx -c "convert to wav" on your computer, so your files stay on it.
Audio file compressed using Speex compression and saved in the Ogg Vorbis container format; designed as an audio compression format specifically for speech; compresses voice at 2 to 44 kbps and supports 8 kHz, 16 kHz, and 32 kHz compression in the same bitstream.
A WAV file is an audio file that uses a standard digital audio file format utilized for storing waveform data. It allows audio recordings to be saved with different sampling rates and bitrates and is often saved in a 44.1 KHz, 16-bit, stereo format, which is the standard format used for CD audio.
