Invoice creation tools
Start here when the user wants to create, format or number an invoice.
Free business tools
Calculators and converters for GST, invoices, profit and cash flow.
Use InvoiceWala's public tools to price work, check GST, structure invoice data and export results. When the calculation becomes real business, save it into InvoiceWala and keep the workflow moving.
Tool-to-invoice workflow
Useful public tools, connected to the Finance OS.
1
Calculate GST or profit before quoting
2
Convert the result into an invoice draft
3
Send a branded PDF with payment links
4
Track payments, reminders and reports inside InvoiceWala
Popular tools
Start with the number you need right now.
Every tool is designed to lead into a real InvoiceWala workflow: invoice creation, branded PDF export, AI bookkeeping, reminders, reports and payment tracking.
FinanceOpen
Business expense calculator
Add business costs by category, estimate expense ratio and GST included, then export a clean CSV summary.
Best for monthly expense reviews
GSTOpen
HSN and SAC code finder
Search common HSN codes for goods and SAC codes for services by name, category, code and indicative GST rate.
Best for GST classification
DocumentsOpen
Quotation generator
Create GST quotations with customer details, item rows, discount, validity, terms and PDF download.
Best before customer approval
PaymentsOpen
Payment reminder generator
Create polite overdue invoice reminder messages for WhatsApp, email and SMS in English or Hinglish.
Best for overdue invoices
GSTOpen
Free GST calculator
Add or remove GST online with CGST, SGST and IGST split.
Best for tax invoices
FinanceOpen
Profit calculator
See profit, profit margin and markup before sending a quote or invoice.
Best for pricing work
FinanceOpen
Margin calculator
Convert cost and selling price into clean margin and markup numbers.
Best for agencies and shops
SalesOpen
Discount calculator
Calculate discount amount, final sale price and total savings from original price and discount percentage.
Best for retail pricing
InvoiceOpen
Free invoice number generator
Generate invoice numbers like INV-0001, FY26-0001 and GST-2026-001.
Best for new businesses
GSTOpen
GST bill format generator
Create a GST bill format preview with seller, buyer, taxable value, tax split and total.
Best for GST bill format searches
AIOpen
PDF to invoice extractor
Paste invoice text or upload supported files to structure bill data faster.
Best for bookkeeping
ExportOpen
Invoice to Excel converter
Turn invoice line items into spreadsheet-ready CSV for accounting reviews.
Best for reports
DocumentsOpen
Purchase order generator
Create supplier purchase orders with PO number, item rows, GST fields and PDF download.
Best for procurement
DocumentsOpen
Receipt generator
Create payment receipts with receipt number, customer details, payment mode and PDF download.
Best after payment
FinanceOpen
EMI calculator
Calculate loan EMI, interest and repayment totals for business purchases.
Best for cash flow
TaxOpen
Tax calculator
Calculate custom tax amounts for service bills, purchase orders and estimates.
Best for quick checks
Free to paid funnel
Make the free result too useful to abandon.
Shareable outputs
Copy a calculation link or export the result for a client conversation.
Invoice conversion
Move GST, profit or item data into an invoice instead of retyping it.
SEO landing intent
Each tool answers a search query and then offers the next business step.
InvoiceWala upgrade path
Save history, remove branding, automate reminders and build reports.
Tool hubs
Choose the right workflow before creating a document.
These internal hubs help users and search engines understand how InvoiceWala tools connect: calculation, document creation, PDF download and payment tracking.
Business document tools
Support pre-sale and post-payment documents around the invoice workflow.
GST and pricing calculators
Help businesses calculate tax, pricing, discounts and profit before billing.
Recommended paths
Turn free tool traffic into invoice workflows.
Create invoices onlineBest starting point for users who came from calculators and now need a customer-ready PDF invoice.Create GST invoicesUse this path when GSTIN, taxable value and CGST/SGST/IGST fields matter.See invoice formatsUseful for users comparing PDF, Word, Excel and GST-ready invoice template structures.Send a quotation firstBest for contractors, agencies and service providers who need approval before invoicing.Create a receiptUse after payment is received and the customer needs payment proof.Create purchase ordersUseful for supplier purchases, procurement and vendor communication.
FAQ
Are these tools free?
Yes. The calculators and converters are public. Saving invoices, reports and history requires an InvoiceWala account.
Is the GST calculator built for India?
Yes. It supports common GST rates, inclusive and exclusive GST, and CGST/SGST or IGST splits.
Can I turn a result into an invoice?
Yes. High-intent tools include InvoiceWala CTAs so you can move from calculation to invoice, PDF, reminders and reporting.