Calculators and document generators for GST, invoices, salaries, loans and stock. Free to use, no sign-up, and everything runs in your browser.
A GST tax invoice with CGST, SGST or IGST worked out per line.
Open tool → DocumentsA purchase order with HSN codes, GST, delivery date and terms.
Open tool → DocumentsA receipt for cash, UPI, cheque or bank payments, with the amount in words.
Open tool → DocumentsA salary slip with PF, ESI, professional tax and TDS, pro-rated for days paid.
Open tool → Tax and salaryAdd or remove GST, with the CGST, SGST and IGST split.
Open tool → Tax and salaryMonthly take-home pay after PF, ESI, professional tax and income tax.
Open tool → FinanceMonthly EMI, total interest and a year-by-year repayment schedule.
Open tool → FinanceUnits and sales needed to cover costs, and the margin of safety.
Open tool → InventoryHow much to order, how much safety stock to hold and when to reorder.
Open tool → InventoryConsistent item codes for every variant, downloadable as CSV.
Open tool → InventoryQR codes, Code 128 and EAN-13 barcodes as PNG or SVG.
Open tool →Yes. All tools are free to use, with no sign-up and no limit on how often you use them.
No. Every tool calculates in your browser. Nothing you enter is sent to DotOne or stored.
They follow the published rules and show their formulas, but they are estimates for planning. Confirm tax, GST and payroll figures with your CA.
Yes. DotOne works out GST on every invoice, PF, ESI, PT and TDS in payroll, and raises purchase indents at reorder levels. Book a demo to see it.
DotOne handles GST invoicing, payroll and stock planning in one cloud ERP. See it in a 30-minute demo.