SPX Converter Online

Convert to SPX Online Tool.

    How to convert to SPX file?

    1. To upload a file, click within the file drop box or drag the file into this area. Please take note that you may only upload one file per operation.

    2. To begin the conversion to SPX file, click the “Convert” button. Your file will be converted and saved in SPX format.

    3. Using these controls, you can manipulate the resulting SPX file interactively in this stage.

    4. By clicking the "Download" button, the generated SPX file may be downloaded. Note: After 24 hours, the files will be removed from our servers, and the download buttons will no longer function.


    SPX is a file extension for audio files, created and designed to compress voice at bitrates from 2 to 44 kbps. It is mainly used for Speex audio format. This file type has many features, including acoustic echo canceling to limit echoing of audio, noise suppression to filter out background sound, voice activity detection, and more. The main draw of the SPX file extension is the wide range of bitrates at which you can compress your audio files. SPX offers narrowband, wideband, and ultra-wideband compression at 8 kHz, 16 kHz, and 32 kHz respectively. Many media players can open SPX files, which makes them easy to open and to share. Any VLC player is able to handle this file format.


    You must add a file first, either by dragging it into the conversion area or by clicking within this area and selecting a file. Run the file conversion procedure after this. The result to SPX conversion process will be available for download.

    The SPX converter operates quickly. Files can be converted in a matter of seconds.

    Of course! After converting to SPX, the download button for the output files will be immediately visible. After 24 hours, we erase all uploaded files, and the download buttons become nonfunctional. Your information is private. The conversion process is entirely secure.

    Yes, any operating system with a web browser can run the SPX Converter. Our no-cost app operates completely over the web and doesn't need to be installed.

    Converting to SPX

    300+ formats supported

    Convert to SPX Quickly and Easily

    Enter a file, then click “Convert.” The additional options can be used to alter a file. Download the resulting SPX file after processing.

    Fast and easy

    SPX Conversion from Anywhere

    All operating systems, including Windows, Mac OS, Linux, iOS, and Android, can use the converter. Our servers process each and every file. You don't need to install any plug-ins or applications.

    In the cloud

    Security guaranteed

    After twenty-four hours, we instantly delete your uploaded and/or converted files. Your privacy is guaranteed 100%, and no one has access to your information.