EIP-55 Checksum Tool — Checksum Ethereum Addresses, Catch Typos

Cách dùng

1. 1 Paste any Ethereum address — lower, upper, or mixed case.
2. 2 Output is the canonical EIP-55 checksummed form.
3. 3 Mixed-case letters encode a keccak-256 hash of the lowercase address — letters with hash nibble ≥ 8 are uppercased.

Vì sao dùng công cụ này

• EIP-55 turns a case-insensitive 40-char hex address into a typo-catching checksum.
• Most wallets (MetaMask, Ledger Live, etc.) emit checksummed addresses — pasting one back will be flagged if a character is wrong.
• Useful for safely converting addresses scraped from logs or older systems that emit lowercase only.
• Runs entirely in your browser — keccak-256 computed locally.

Câu hỏi thường gặp

EIP-55 Checksum Tool là gì?

An EIP-55 Checksum Tool is a tool that converts an Ethereum address into its canonical EIP-55 checksummed form, where specific letters are capitalized based on the address hash. This mixed-case encoding lets wallets detect typos before funds are sent. The conversion runs entirely client-side in the browser, so the address is never transmitted to a server.

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