Free tools
Small tools for the money side of your business.
See what your receipts are worth at tax time, work out mileage and home office deductions, and turn a receipt into a spreadsheet row. Free, with figures from the IRS and HMRC.
- Write-off savings calculatorSee how much tax your business expenses save: federal, self-employment and state tax in the US, Income Tax and National Insurance in the UK.USUK
- Mileage deduction calculatorTurn business miles into a deduction at the 2026 IRS rates or HMRC’s 2026/27 flat rates.USUK
- Home office deduction calculatorWork out the flat-rate home office deduction: the IRS simplified method or HMRC’s working-from-home rate.USUK
- Free receipt scannerDrop in a receipt or invoice and get its fields, a tidy file name and a spreadsheet row.
- Gmail receipt filter builderBuild the Gmail search that finds your receipts, then turn it into a filter that forwards them.
Quiz
What Kind of Accountant Are You?
A two-minute quiz with no wrong answers. You get a type, not a grade.
The calculators give estimates to help you see the size of the numbers. They aren’t tax advice; check your return with a tax professional.