M4R to SNDR Converter

Convert M4R to SNDR online and free

    How to convert M4R to SNDR file?

    1. Click "Choose Files" button and select your M4R files you would like converted.

    2. Click on the “Convert to SNDR” button to start the conversion.

    3. When the status change to “Done” click the “Download SNDR” button

    To convert in the opposite direction, click here to convert from SNDR to M4R

    SNDR to M4R converter

    M4R files are used to store iPhone ringtones. They are typically smaller but maintain high audio quality using similar compression to AAC. ...

    SNDR files store audio sample data along with metadata, often compressed using m-law or PCM. These files are supported by SoX for playback. ...

    FAQ

    Quickly and Easily

    Upload a M4R file, click "Convert", and use additional options to quickly modify its contents before downloading the final SNDR file after processing has completed.

    Conversion from Anywhere

    Our M4R to SNDR converter works on Windows, Mac OS, Linux, iOS and Android systems alike - our servers automatically process each file without requiring you to install plug-ins or applications!

    Security guaranteed

    We guarantee 100% of the privacy and have no access to your files once uploaded/converted, making them inaccessible by anyone and completely protecting them.