Free tax tools, no sign-up.
Built on 2026 federal and Ontario rates. Estimate your tax, plan your RRSP, check your HST threshold and never miss a deadline. Everything runs in your browser.
All tools
Ontario income tax calculator
Your 2026 federal + Ontario tax, marginal rate and take-home pay.
Open toolRefund or owing estimator
Will you get money back? Plus three ways to improve the result.
Open toolRRSP savings calculator
See exactly what an RRSP contribution saves you before the deadline.
Open tool LiveTax deadline countdown
Every key CRA date with a live countdown — plus a T2 due-date calculator.
Open toolTFSA vs RRSP
Side-by-side at your tax rates today and in retirement.
Open tool QuizShould I incorporate?
Six questions, one straight answer, and what to do next.
Open toolGST/HST registration checker
Over the $30,000 threshold? Regular vs Quick Method compared.
Open toolCRA quick links
My Account, payments, authorizing your accountant and more.
Open toolThese tools give estimates for Ontario residents and don't replace advice for your situation. Rates are reviewed each January.
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Calculators get you close. A strategist gets you every credit, every deduction and a plan for next year.