Free Canadian Business Tools
Plan hourly rates, estimate business profit margins, split tax portions, and generate polished invoices instantly with our free toolkit.
Invoice Generator
Create professional PDF invoices directly in your browser. Auto-calculates provincial sales taxes and generates compliant invoice outputs in less than two minutes.
Billing and Document Generation
Province-Aware Tax Calculators
GST/HST Calculator
Add or remove Canadian sales tax instantly. Supports all provincial rates (GST, HST, PST, QST).
Reverse Tax Calculator
Extract the pre-tax subtotal and tax portions from any final, tax-inclusive receipt or payment total.
Profit & Tax Estimator
Evaluate monthly business operational margins and compute regional sales tax set-asides.
Province-specific calculators
Need rates for a specific region? Jump directly into a dedicated calculator for your province or territory:
Ready to turn calculations into real invoices?
Open a free Lunio account to manage recurring invoicing, record customer profiles, schedule automatic payments, and track tax reports.