AWebMaster essentials

Free business tools

Useful tools for everyday business work — simple, practical and built for modern businesses. They run in your browser. Use your workspace to keep customer records and follow-ups together.

GST & Tax Tools

Quick GST splits for planning. Not a substitute for your GST return or e-invoice.

GST Calculator
Add GST, remove GST from a final amount, or find the GST amount with a clear CGST/SGST or IGST breakup.
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.
PAN Format Checker
Local PAN pattern validation 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.
Payment Receipt Generator
Draft a payment receipt with payment status and totals.
Milestone Payment Receipt Generator
Track project milestones, payments and balance due.
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; nothing is sent.
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.

Gross Margin Calculator
Margin % from sales and product cost.
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.

Business Finance

Plan growth and operating performance with clear assumptions.

CAGR Calculator
Smoothed annual growth between two values.
EBITDA Calculator
Operating earnings before financing and non-cash charges.
EBITDA Margin Calculator
EBITDA as a percentage of revenue.

Sales & Retail

Understand traffic, transactions and basket performance.

Conversion Rate Calculator
Transactions as a share of foot traffic.
ATV Calculator
Average Transaction Value from sales and transactions.
UPT Calculator
Units sold per transaction.
Same-Store / LFL Growth Calculator
Current sales growth against a comparable prior period.

Inventory

Measure stock movement, return and loss.

Inventory Turnover Calculator
COGS divided by average inventory value.
Sell-Through Calculator
Units sold as a share of units received.
GMROI Calculator
Gross profit returned on average inventory cost.
Shrinkage Calculator
Lost stock value as a share of sales.

Store Performance

Compare productivity across space and periods.

Sales per Sq Ft Calculator
Net sales generated per retail selling area.
GMROF Calculator
Gross profit generated per retail selling area.

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.

Due Date Calculator
Add days to an invoice date.
Percentage Calculator
What percent is one amount of another.

50 tools · no account required to calculate