That one website that shows what plug and voltage a country uses so you bring the right adapter: World Standards

The pickLink checked Oct 9

World Standards

Plug types and voltage for every country in one table

FreeNo signup

Why it's the pick

World Standards has one big table of every country's plug types, voltage and frequency, so you can tell whether you need just an adapter or a voltage converter too. Free; last updated September 2025.

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Also good

Power Plugs & Sockets of the World power-plugs-sockets.com Pick a country to see its sockets and if you need an adapter FreeNo signup Link checked Oct 9

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