Audio Conversion
Convert SPX to WAV Online — Free
Fast, free SPX to WAV converter. No registration required.
or import from
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
1
Upload your .spx file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .wav file when it's ready.
What is SPX?
Speex is an open-source audio codec designed specifically for speech. It provides excellent voice compression and is used in VoIP applications and voice recordings.
Format Details
- Full Name
- Speex Audio
- Extension
- .spx
Key Features
- Speech optimized
- VoIP standard
- Open source
- Low latency
What is WAV?
WAV is an uncompressed audio format developed by Microsoft and IBM. It provides perfect audio quality but results in large file sizes.
Format Details
- Full Name
- Waveform Audio File Format
- Extension
- .wav
Key Features
- Lossless quality
- Professional standard
- No compression
- Wide compatibility
SPX vs WAV
| Feature | SPX | WAV |
|---|---|---|
| Full Name | Speex Audio | Waveform Audio File Format |
| Extension | .spx | .wav |
| Best For | Speech optimized | Lossless quality |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.