Billing · GST-correct at the source
GST billing software that gets the tax right while you type.
CGST, SGST and IGST worked out line by line, HSN and place of supply set the moment you save, e-invoice prepared on the bill, and your GSTR-1 workings ready to file. Unlimited GST invoices are free on the Solo plan.
- Reviewed June 2026
- 6 min read
- CA Anil Agarwal & CA Ayush Agarwal
What makes billing software “GST billing software”?
Any tool can print an invoice. GST billing software has to get the tax right at the moment the bill is raised— so the figures that flow into your returns come from real entries, not a spreadsheet rebuilt every quarter. Here’s the checklist, and how TatvaBooks meets each line.
| What GST billing needs | How TatvaBooks does it |
|---|---|
| CGST / SGST / IGST applied automatically | Picks inter-state vs intra-state on its own, with cess where it applies — calculated line by line as you type. |
| HSN / SAC on every line | Captured at the item level, so every invoice carries the right code without you looking it up each time. |
| Place of supply, validated at entry | Set when the bill is raised — a wrong-state invoice is blocked at save, not discovered at filing. |
| e-Invoice (IRN + signed QR) | Qualifying bills are flagged and the IRN + QR are prepared on the invoice itself. Live filing to the NIC portal is on the near-term roadmap. |
| Credit & debit notes | Raised against the original invoice so the tax reverses exactly the way GST expects. |
| GSTR-1 & GSTR-3B workings | Your sales roll up GST-correct, ready to review — you file on the portal with the figures prepared. |
| GSTR-2B reconciliation | Match purchases against your 2B and see ITC mismatches called out line by line before you claim. |
Honest caveat: e-invoices are prepared on the bill (IRN + signed QR) but not yet filed live to the NIC portal — that link is on the near-term roadmap.
Is there free GST billing software?
Yes — and without the usual catch. TatvaBooks Solo is ₹0, with unlimited GST-correct invoices and credit/debit notes, for solopreneurs up to ₹25 lakh turnover. No per-invoice fee, no trial clock. When you need inventory, e-invoice preparation or more users, the Business plan is ₹599/month. The full free picture is on our free accounting software page.
From the bill to the GST return
Because the tax is decided at billing, the rest follows on its own:
- Your sales roll up into GSTR-1 and GSTR-3B workings, ready to review and file on the portal.
- Your purchases reconcile against GSTR-2B, with ITC mismatches surfaced line by line before you claim.
- Billing a tracked item posts cost of goods and brings down stock in the same entry, so margins stay honest.
Cloud, not a download
TatvaBooks is cloud GST billing software: raise an invoice from any browser, on any device, with daily backups handled for you on India-resident infrastructure. A mobile app is coming during the beta. If you specifically need an offlinedesktop biller for a counter with no internet, we’ll be honest that a desktop tool fits that better — see our Tally alternative and Vyapar pages.
Frequently asked questions
Is there free GST billing software?
Can I use GST billing software online, or do I need to install it on a PC?
Does it generate e-invoices with IRN and QR?
Does GST billing software file my GST returns for me?
What does GST billing software cost?
Does it handle reverse charge and bill items from inventory?
Read next
Keep going.
Unlimited GST invoices · free on Solo
Raise your first GST-correct invoice today.
Sign up with email or Google and bill in minutes — the tax, HSN and place of supply worked out for you. No card, no per-invoice fee.