Acquisition layer
Free business tools
Useful tools for everyday business work — simple, practical and built for modern businesses. They run in your browser. A workspace keeps the customer after you are done.
GST & Tax Tools
Quick GST splits for planning. Not a substitute for your GST return or e-invoice.
GST Calculator
Taxable amount to CGST/SGST or IGST.
CGST Calculator
Intra-state CGST half of the GST rate.
SGST Calculator
Intra-state SGST half of the GST rate.
IGST Calculator
Inter-state IGST on a taxable value.
GST Inclusive / Exclusive
Switch between tax-inclusive and exclusive prices.
GST Reverse Calculator
Work backwards from tax or a gross amount.
TDS Calculator
Estimate TDS at a rate you choose.
GST Discount Calculator
Apply a discount, then GST.
GSTIN Format Checker
Pattern and checksum only — not a government lookup.
Invoices & Documents
Drafts you can print. GST tax invoices for customers belong on invoice.awebmaster.in.
GST Invoice Worksheet
Draft worksheet. Tax invoices stay on invoice.awebmaster.in.
Quotation Generator
Print a simple quotation.
Proforma Invoice Generator
Draft a proforma for advance collection.
Receipt Generator
Acknowledge a payment in a printable receipt.
Purchase Order Generator
Draft a purchase order.
Delivery Challan Generator
Draft a delivery challan.
Credit Note Generator
Draft a credit note worksheet.
Debit Note Generator
Draft a debit note worksheet.
Estimate Generator
Print a job estimate.
Payment Reminder Generator
Draft a reminder you can copy.
Business Letter Generator
A short formal letter skeleton.
Invoice Number Generator
Suggest a local series. Not your Invoice product series.
Business Calculators
Margin, price and return maths for everyday quoting.
Profit Margin Calculator
Margin % from cost and selling price.
Markup Calculator
Markup on cost.
Discount Calculator
Amount after a percentage off.
Selling Price Calculator
Price from cost and target margin.
Break-even Calculator
Units needed to cover fixed cost.
ROI Calculator
Return on an amount invested.
Commission Calculator
Commission on a sale.
Revenue Calculator
Price × quantity.
Cash Flow Calculator
Inflows minus outflows for a period.
Communication Tools
Drafts only. Sending WhatsApp, SMS or email from CRM stays locked until verification.
WhatsApp Message Generator
Draft text. Does not send on WhatsApp.
Customer Follow-up Generator
A polite follow-up draft.
Business Offer Message Generator
Short offer copy.
Thank-you Message Generator
A thank-you after a purchase.
Customer Welcome Message Generator
Welcome a new customer.
Email Generator
A short business email draft.
Email Subject Generator
Subject-line options from a topic.
Business Bio Generator
A short third-person bio.
Business Utilities
Small helpers that save re-typing.
40 tools · no account required to calculate