Free tools
Free tools that solve real, everyday problems
Accurate, beautifully simple calculators and converters built by our engineers, from take-home pay in six countries to invoices, currency and documents.
- Free, no sign-up
- Runs in your browser
- Kept up to date
Salary & tax calculators
What will you really take home?
Up-to-date income tax calculators for six countries, with every rate sourced and explained.
United Kingdom tax calculator
Income tax & NI, 2026/27
Calculate my take-home pay
Nigeria tax calculator
PAYE under the Nigeria Tax Act 2025
Calculate my take-home pay
Ghana tax calculator
New PAYE rates from September 2026
Calculate my take-home pay
Kenya tax calculator
PAYE, NSSF, SHIF & Housing Levy
Calculate my take-home pay
South Africa tax calculator
SARS tables 2026/27
Calculate my take-home pay
Equatorial Guinea tax calculator
IRPF & INSESO, in XAF
Calculate my take-home pay
All tools
Every tool, in one place
15 free tools for tax, money, business and documents.
- 2026/27Open tool
Tax & finance
UK Income Tax Calculator
Take-home pay, income tax and National Insurance for England, Wales, Northern Ireland and Scotland.
- New rulesOpen tool
Tax & finance
Nigeria PAYE Tax Calculator
Your PAYE under the Nigeria Tax Act 2025, with pension, NHF and the new rent relief.
- New ratesOpen tool
Tax & finance
Ghana PAYE Tax Calculator
PAYE and SSNIT on salaries in Ghana, using the new rates in force from September 2026.
- Open tool
Tax & finance
Kenya PAYE Tax Calculator
Net pay in Kenya after PAYE, NSSF, SHIF and the Affordable Housing Levy, with 2026 rates.
- 2026/27Open tool
Tax & finance
South Africa Income Tax Calculator
SARS income tax, rebates and UIF for the 2026/27 tax year, with retirement contributions.
- Open tool
Tax & finance
Equatorial Guinea Income Tax Calculator
Personal income tax and INSESO social security on salaries in Equatorial Guinea, in XAF.
- 6 countriesOpen tool
Tax & finance
Payslip & Salary Calculator
Turn hourly, daily, weekly or monthly pay into a clear payslip for six countries.
- Open tool
Tax & finance
VAT Calculator
Add or remove VAT instantly at UK, Nigerian, Kenyan, South African and Equatorial Guinean rates.
- Live ratesOpen tool
Tax & finance
Currency Converter
Live exchange rates for pounds, naira, CFA francs, cedis, shillings, rand and 20+ more currencies.
- Open tool
Tax & finance
Loan & Mortgage Calculator
Monthly repayments, total interest and a year-by-year schedule for any loan or mortgage.
- PDFOpen tool
Business
Invoice Generator
Create a professional invoice with your logo, tax and discounts, then download it as a PDF.
- PopularOpen tool
Business
App Development Cost Calculator
An instant, honest estimate of what your web or mobile app could cost and how long it takes.
- PrivateOpen tool
Documents
PDF to Word Converter
Turn a PDF into an editable Word document, privately in your browser.
- PrivateOpen tool
Documents
Word to PDF Converter
Convert a Word document to a clean, shareable PDF without uploading it anywhere.
- Open tool
Health
BMI Calculator
Body mass index in metric or imperial units, with your healthy weight range.
Why use our tools
Built with the same care as our client work
Accurate & sourced
Rates come from official and professional sources, cited on every page, and the maths is covered by automated tests.
Private by design
Calculations and conversions run entirely in your browser. Nothing you enter or upload is sent to us or stored.
Free, forever
No sign-up, no paywall, no ads, no watermarks. Just fast, clear answers you can use and share.
Suggest a tool
What problem should we solve next?
Pension, business rates, CV builder or something specific to your industry? Tell us and we'll add the most-requested tools to the list.
Start a project
Want a custom tool on your own website?
Calculators, quote builders and interactive tools generate leads and save your team time. We design, build and maintain them for you.