GSRT to OPUS Converter
Convert your gsrt files to opus online & free
Grandstream ring-tone files
Opus (audio format)
How to convert GSRT to OPUS
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to opus"
Choose opus or any other format you need as a result (more than 200 formats supported)
Download your opus
Let the file convert and you can download your opus file right afterwards