SPX converter

Free online conversion of files to spx and vice versa
Select files or drag & drop them here
About SPX

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.

How to convert a file to SPX?

Click the «Choose files» button and select the files you want to convert. The maximum file size is 75 MB.

Select «SPX» as the target format. Click «Convert» to start converting files to SPX. It will only take a few seconds.

You did it! Your files have been converted to SPX format. Now download them to your device.

Supported conversions

MiConv can convert files to SPX format and vice versa. Check the table below.
Convert from SPX
Convert to SPX

Advantages of MiConv

Online SPX conversion

You don't need to download and install any software to convert files to .spx format. All conversions take place in the cloud.

File security

Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.

Fast and free

Convert your spx files in 2 clicks. And don't pay anything for it! This SPX converter is free for all users.

See also

In addition to SPX, we can convert many other file formats. Here are some popular conversions:
Over 1,500,000 users in 235 countries have used MiConv to convert files in 2022

So you're in good company! 👍🏻