// tools / eth.validate

Ethereum Address Validator

Validate Ethereum addresses and convert them to proper EIP-55 checksum case. No ads, no tracking, no account — everything runs in your browser and never touches a server.

The address is validated live as you type.

How to use

  • Paste your Ethereum address in the input field
  • Click "Validate & Format" to check if it's a valid address
  • Get the properly formatted address with EIP-55 checksum
  • Copy the formatted result using the "Copy to Clipboard" button

About EIP-55 checksum

EIP-55 introduces a checksum for Ethereum addresses by capitalizing specific letters based on the address hash. This helps prevent errors when copying addresses and provides a way to verify address integrity without requiring additional data.