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