Free GST tools

Fast, accurate, free with a Quillix login. The same GST engine that powers Quillix — right in your browser.

Search by product or service name — or by code — to find the HSN/SAC code and its indicative GST rate.

Fill in seller, buyer and line items — get a GST-compliant invoice with CGST/SGST/IGST and amount in words, ready to print or save as PDF. Free login required, 15/month.

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GST Calculator

Add or remove GST at any rate and see the exact CGST + SGST (intra-state) or IGST (inter-state) split.

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Excel → Tally Converter

Upload a CSV or Excel file of GST invoices, map your columns, and download TallyPrime-ready Masters + Vouchers XML files. Free login required, 15/month.

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GST Late Fee & Interest Calculator

Estimate the late fee and 18% p.a. interest on a delayed GSTR-1 or GSTR-3B from the due and filing dates.

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Compliance Calendar

Every GST, TDS and income-tax deadline on an actual calendar — GSTR-1, GSTR-3B, TDS returns, advance tax, ITR and more.

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GSTR-2B Reconciliation (lite)

Upload your purchase register and GSTR-2B to match by GSTIN + invoice number and flag ITC at risk — all in your browser. Free login required, 15/month.

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