Free Tools for Canadian Builders
We built these tools to reduce decision fatigue for side-hustlers. No accounting jargon, just the answers you need to stay CRA-compliant.
Free Invoice Generator
Build a CRA-ready invoice with the correct GST/HST for your client's province. Print or save as PDF, no account needed.
North AI Expense Classifier
Unsure if a purchase is deductible? Enter any expense and find the exact CRA T2125 tax line instantly.
GST/HST Quick Method Calculator
Compare the Quick Method and Regular Method side by side to see which saves you more, for every province.
Self-Employment Tax Calculator
Your take-home after CPP/QPP and income tax, plus what to set aside. Sole proprietors, freelancers, gig workers.
Tax Set-Aside Calculator
Skip the 25 to 30% guess. See the exact percentage of each payment to save for the CRA, by province.
CCA Calculator
Capital cost allowance by class, with the half-year rule and a five-year UCC projection. T2125 line 9936.
Selling to the US Checker
American clients? See whether you need a US LLC (usually no), what GST/HST to charge, which US form to sign, and if US sales push you over $30,000.
GST/HST Penalty Calculator
Filed late? Estimate the CRA failure-to-file penalty and arrears interest on a late GST/HST return.
Home Office Deduction Calculator
Work out your business-use-of-home claim (T2125 line 9945) by the CRA detailed method.
GST/HST Calculator
Add or remove GST/HST for any province, with the right combined rate applied automatically.
Tax Instalment Calculator
Estimate your quarterly CRA instalment payments so a big balance owing does not surprise you.
GST/HST Threshold Predictor
Enter your monthly revenue and see exactly when you will hit the $30,000 registration cliff.
Ready to automate the full T2125?
NorthOS tracks your threshold, organizes your receipts by category, and builds your audit trail automatically for $12/mo.
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