GST Tax Invoice Template Excel | Auto CGST SGST IGST Calculator | India Small Business

Stop building invoices from scratch every time. This ready-to-use Excel GST invoice generator auto-calculates CGST, SGST, or IGST based on whether your sale is intra-state or inter-state — you just enter the amount and GST rate. Built by a working accountant, not a template farm.

**What's included:**
- Editable invoice with your business branding fields
- Auto tax-type detection (CGST+SGST or IGST)
- Line-item table for up to 10 products/services per invoice
- Instructions tab — no tech skills needed
- Instant download, lifetime use, unlimited invoices