Click the «Choose files» button and select the SPX files you want to convert to MP3.
Select «MP3» as the target format. Click «Convert» to start converting SPX to MP3. It only takes a few seconds.
Done! Your SPX file has been converted to MP3 format. You can download it to your device.
SPX (Speex) is a lossy compressed audio file format that can be used in IP telephony and podcasts. It was developed by Xiph.Org in 2003. The SPX format is considered obsolete, its successor is considered to be the more modern OPUS.
MP3 is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage and a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.
| 🔁 Conversion | SPX to MP3 |
| ⏱ Time to convert | 20 seconds |
| 💳 Cost | Free |
| 📂 File types | Audio |
| ✳️ File extensions | .spx, .mp3 |
| 📏 File size limit | 75 MB |
| 👩💻 Supported OS | Windows, Linux, MacOS, iOS, Android |
You don't need to download and install any software to convert .spx files to .mp3 format. All conversions take place in the cloud.
Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.
Convert your spx files to mp3 in 2 clicks. And don't pay anything for it! Our SPX to MP3 Converter is free for all users.