MP3 to SPX Converter
Free online conversion from MP3 file to SPX
MPEG-1 Audio Layer-3
MP3 is a lossy audio file format, which was first released by the Moving Picture Experts Group in 1993.
Speex Audio Compression Format
Steps to Convert MP3 to SPX
Drag and drop your MP3 audio file(s) into the blue box or click "choose a file" to select from your computer.
Review each file to check if it is indeed the one you want to convert. If not click the trash button and select a new one.
Click the convert button. Your file(s) will begin to upload and the status of the conversion process will be shown.
Once the conversion process is complete a list of your new SPX's will appear. Click the "download" link to save the file to your device.