1. Click "Choose Files" button and select your GSM files you would like converted.
2. Click on the “Convert to OPUS” button to start the conversion.
3. When the status change to “Done” click the “Download OPUS” button
To convert in the opposite direction, click here to convert from OPUS to GSM
GSM audio files are an archival format commonly used by cellular phones for recording vocal audio data during calls. Intended to serve telephony throughout Europe, GSM offers an ideal balance between file size and quality; its use includes various voice codecs that compress 3.1kHz audio down to less than 10 kbit/s. When opening and operating a GSM file on your ...
OPUS is an audio file format designed to replace MP3 as one of the world's most widely supported lossy audio storage formats. Like many audio codecs, OPUS employs data compression techniques in order to reduce file sizes without altering sound quality. Combining CELT music coding and speech-oriented SILK codec, and offering variable bitrate encoding of 6kbit/s to 510 kbit/s; variable ...
Upload a GSM file, click "Convert", and use additional options to quickly modify its contents before downloading the final OPUS file after processing has completed.
Our GSM to OPUS 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!
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.
