VAT & Tax Tools for Online Sellers — GoodVat
Free tools to help you stay on top of VAT compliance — no account, no subscription required.
| Tool | Description | Status |
|---|---|---|
| AI Tax Assistant (MCP Server) | Connect ChatGPT, Claude, Gemini, or any AI assistant to GoodVat for instant, sourced tax answers. | Live |
| EU VAT Number Checker | Verify any EU VAT number in real time via the official EU VIES system. | Live |
| US Nexus Calculator | Check if your trailing 12-month US sales trigger an economic nexus obligation in any state (2026 rules). | Live |
| UK VAT Number Checker | Verify UK (GB-prefix) VAT numbers via the HMRC API. | Coming Soon |
| VAT Calculator | Calculate VAT-inclusive and exclusive amounts for any EU or UK rate. | Coming Soon |
| Product Classifier | Get the VAT category and rate for any product across EU and UK jurisdictions. | Coming Soon |