FreelancerTax — Canadian self-employed tax math
Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.
| Endpoint | https://freelancertax.ca/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 6 tools · grade A (99) · pin ts_cfb546f8f9d3fda9b0b23909d0483fc9 · protocol 2025-06-18 |
| First / last listed | 2026-10-24 18:53 UTC / 2026-10-24 18:53 UTC |
| Grade over time | 2026-10-24: A (99), 6 tools |
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Tools: estimate_self_employed_tax cpp_self_employed gst_hst_registration_check gst_quick_method_compare instalment_plan get_tax_deadlines
estimate_self_employed_tax | Estimate a Canadian self-employed (sole proprietor) person's full tax bill: federal tax, provincial tax, CPP/QPP (incl. CPP2/QPP + QPIP for Quebec), total, after-tax income and effective rate. Fully verified provinces: ON, BC, AB, MB, SK, NS, NB, QC. Other provinces/territories return an honest federal+CPP-only partial estimate flagged supported:false. params: year*, province*, net_self_employment_income* |
cpp_self_employed | Compute self-employed CPP contributions for a given year: base + enhanced contributions, CPP2 (second ceiling), total payable, and the tax-deduction vs tax-credit split that goes on the T1 (Schedule 8). Quebec residents pay QPP instead — use estimate_self_employed_tax with province QC for QPP. params: year*, net_self_employment_income* |
gst_hst_registration_check | Check whether a Canadian small business / freelancer must register for GST/HST under the $30,000 small-supplier tests (single-quarter test and rolling four-quarter test), with the exact mechanics of when to charge and the registration deadline. Set is_rideshare true for taxi/ride-share drivers (they must register from the first fare). params: quarterly_revenues*, is_rideshare |
gst_quick_method_compare | Compare the GST/HST Quick Method against the regular method for a Canadian small business: eligibility (revenue ceiling + excluded professions), remittance under each method, and which one keeps more money. Annual figures. params: province*, revenue*, itc_eligible_expenses_incl_tax, business_type |
instalment_plan | Determine whether a Canadian individual must pay quarterly income-tax instalments (the $3,000 / $1,800-Quebec net-tax-owing tests) and compute all three CRA payment options (no-calculation, prior-year, current-year) as quarterly schedules with a suggested no-interest choice. Per the CRA's instalment calculation chart, 'net tax owing' EXCLUDES CPP contributions and EI premiums payable — pass those params: current_year_estimate*, prior_year_owing*, second_prior_year_owing*, cpp_payable, quebec |
get_tax_deadlines | Upcoming CRA tax deadlines for Canadian freelancers / self-employed individuals (filing, payment, GST/HST, RRSP, quarterly instalments), each on its CRA effective date with the weekend next-business-day rule applied. Also available as a subscribable calendar feed. params: limit |
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