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Updated Mar 27, 2026
Base58 Encoder / Decoder
Encode bytes to Base58 or decode Base58 strings back to hex and text. Pure client-side — nothing is sent anywhere.
Input as:
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Base58 vs Base58Check
This tool implements standard Base58 encoding — no checksum. Bitcoin addresses (1xxx, 3xxx) and WIF private keys use Base58Check, which appends a 4-byte SHA-256d checksum before encoding. This tool does not validate or generate Bitcoin address checksums.