TTaxmiserSave more tax, legally

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Fill in your own tax return, box by box

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

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.

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