Free tax tools
Quick answers to the questions we get asked most, built on 2026 CRA and Ontario rules, with the source behind every number. Nothing you type is saved.
Do I need to register for HST?
Check the $30,000 small supplier test, with the special rules for rideshare drivers, Airbnb hosts, daycares and tutors.
About 2 minutes
How much should I set aside for taxes?
A number you can move to savings every time you're paid, covering income tax, CPP and the Ontario Health Premium.
About 1 minute
Should I incorporate my business?
Compare staying a sole proprietor with incorporating: tax this year, cash in your pocket and money left in the company.
About 2 minutes
What do I need to send?
A checklist of the slips, receipts and records for your situation, from a T4 return to a corporate year-end. Printable.
Under a minute
Do I have to pay tax instalments?
See whether CRA expects quarterly payments from you, the amounts under each option, and what skipping would cost.
Under a minute