Find the money you can keep
Fill in your own tax return, country by country
Type your income, costs and deductions once. Taxmiser puts every figure into the real box on the real form, names that form beside the line, works out the tax, and shows what you could legally keep. Then you print it.

The real forms
Not a summary. The actual form and box number your country uses.
Checked figures
Every line adds up on official rates for the tax year you pick.
Print or save
Kept private to your account, and it reopens filled in next time.
United Kingdom
- Forms it fills
- SA100, SA102, SA103S, SA105, SA108 and an SA302 style calculation
- Example lines
- Employment pay in box 1, self employed turnover in SA103S box 15, rent in SA105 box 20
- When it is due
- 31 October on paper, 31 January online
United States
- Forms it fills
- Form 1040 with Schedule C, Schedule E, Schedule SE, Schedule 1 and Schedule 2
- Example lines
- Wages on 1040 line 1a, business income on Schedule C line 1, rent on Schedule E line 3
- When it is due
- 15 April for most people, with your state return alongside it
Australia
- Forms it fills
- The main return NAT 2541, the supplementary section, the business and professional items schedule
- Example lines
- Salary at item 1 label E, business at item 15, rent at item 21, deductions D1 to D12
- When it is due
- 31 October if you lodge yourself, later through a registered agent
Canada
- Forms it fills
- T1 with T2125, T776, Schedule 3, Schedule 7, Schedule 8 and the provincial or territorial form
- Example lines
- Employment on line 10100, business income on line 13500 and RRSP deductions on line 20800
- When it is due
- 30 April to pay, 15 June to file if self-employed
New Zealand
- Forms it fills
- IR3 with IR3B, IR3R, IR10 and IR526 where they apply
- Example lines
- Salary and wages on IR3, sales in IR3B box 1 and net business income in box 29
- When it is due
- 7 July unless an approved tax-agent extension applies
Private to you
A saved return can only be read by the account that filled it in. Nothing is shared, sold or shown to anyone else. Everything Taxmiser suggests is lawful planning, backed by the official page it came from.


