Web3 Tools

Base58 Converter

Encode and decode Base58 and Base58Check formats used in Bitcoin.

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About Base58

Base58 is similar to Base64 but removes visually ambiguous characters: 0, O, I, l and special characters +, /.

Base58Check adds a 4-byte checksum (double SHA-256) and a version byte prefix, used in Bitcoin addresses and WIF private keys.

🔒 This tool runs entirely in your browser. No data is sent to any server.