Free tools
Free tools for freelancers and small business
Simple calculators and templates that run in your browser. No sign-up, and nothing you enter is sent anywhere.
VAT calculator
Add VAT to a net price or take it out of a gross price at 20%, 5%, 0% or your own rate.
Open tool →Invoice generator
Create a professional invoice with VAT, then print it or save it as a PDF.
Open tool →Self-employed tax calculator
Estimate income tax and Class 4 National Insurance and how much to set aside.
Open tool →Expenses cheat sheet
A printable one-page guide to what sole traders can claim.
Open tool →Want your numbers to update themselves?
AvrioBooks keeps your invoices, expenses, VAT and reports in one place. Free for 30 days.
Start free trial Contact sales- 30-day free trial of everything
- No credit card required
- Read-only, never deleted, if you stop
- Cancel any time