Free tools
Free tax tools
Quick, private calculations in your browser. Nothing you type is saved.
VAT calculator
Add or remove VAT using each country’s standard rate.
OpenUAE corporate tax estimator
Estimate 9% corporate tax above AED 375,000 and check small business relief.
OpenKey tax deadlines
Dated filing and payment deadlines for the UAE, Saudi Arabia, the UK and Pakistan.
OpenPakistan salary income tax
Tax year 2027 salaried slabs from the Finance Act 2026.
OpenUK income tax & National Insurance
2026/27 rates for England, Wales and Northern Ireland.
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