Skip to content
Free GST toolsPreparing offline access

Free GST tools

Prepare e-invoice JSON and calculate GST in your browser. No signup, spreadsheet macros or installation needed, and what you type stays in your browser.

GST e-invoice JSON generator

Prepare e-invoice JSON with saved accounts and items, tax calculations and checks before export. Your data stays in this browser. Works offline once ready.

Open JSON generator

GST calculator

Add GST to an amount or take it out of a price that includes GST, with the CGST and SGST or IGST split.

Open GST calculator