GST Utility Tools
4 free tools · runs in your browser
Everyday helpers — check a GSTIN's structure, find state codes, compare rates and never miss a due date.
GSTIN Validator
Check a GSTIN's structure, state code and checksum — offline, instantly.
GST State Code Finder
Every GST state code from 01 Jammu & Kashmir to 97 Other Territory.
GST Rate Calculator
See one amount taxed at every slab from 0% to 28%, side by side.
GST Due Date Helper
Pick a return period and see GSTR-1/GSTR-3B due dates and countdowns.