Free GSTtools
Quick answers for the billing desk. They work in your browser; nothing you type is sent anywhere.
GST calculator
GSTIN check
Type the 15 characters of a GSTIN.
This checks the format and the check digit. Whether the GSTIN is active is shown only on the GST portal.
Amount in words
In lakh and crore, the way Indian invoices write it.
OSuite does all of this on every invoice, as you type. Try it free for 14 days.