Understand your tax obligations in 30 seconds
GoodVat is a free, open tax encyclopedia for online sellers. Whether you're dealing with VAT, GST, or sales tax — find exactly what applies to you.
Guides & Tools
Selling to the EU
IOSS, OSS, VAT on B2C & B2B. No minimum threshold for non-EU sellers.
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US Sales Tax
Economic nexus, 50-state thresholds, and Wayfair compliance for every seller.
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UK VAT
£90,000 threshold, 20% rate, Making Tax Digital — the full picture.
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AI Tax Assistant
Connect ChatGPT, Claude, or Gemini to GoodVat for instant, sourced tax answers.
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Tax Tools Compared
Stripe Tax vs Avalara vs Quaderno — honest comparisons, no affiliate fluff.
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EU VAT Checker
Validate any EU VAT number instantly via the official VIES system.
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US Nexus Calculator
Check if your US sales trigger a filing obligation in any of the 50 states.
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VAT Refund Guide
How tourists reclaim VAT on EU purchases — country-by-country rules.
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