Free GST tools
Everyday GST jobs, done in your browser. No signup, nothing uploaded.
GST calculator
Add or remove GST at 5%, 18%, 40% and other slabs, with the CGST/SGST or IGST split.
GST invoice generator
Make a GST tax invoice in the browser and print it or save it as PDF. No signup, no watermark.
HSN & SAC code finder
Find the HSN chapter for any product, or the SAC heading for a service.
GSTIN validator
Check a GSTIN’s format and check digit, and see the state and PAN inside it.
GST due date calendar
Your next GSTR-1, GSTR-3B, PMT-06, CMP-08 and annual return dates.
E-invoice & e-way bill checker
Find out if e-invoicing applies to your business and if a shipment needs an e-way bill.
Payment reminder maker
Write a polite or firm udhaar reminder in English or Hindi and send it on WhatsApp.
When you outgrow single tools, try HisaabKro
Billing, purchases, stock, party ledgers, and GST reports on proper double-entry books. Free, in your browser.