Your files stay on your device

# Base58 and Base58Check

Bitcoin-alphabet Base58 with an optional Base58Check checksum.
EncodeDecodeTextHexClearInputBase58Check (double-SHA256 checksum)Appends 4 checksum bytes on encode and re-verifies them on decode, Bitcoin's address format.

Exact BigInt math over the Bitcoin alphabet. Ambiguous characters are refused, never guessed.
Paste, drop, or type to begin. Everything stays on this device.

## More encoding tools

- [Base32 encoder](/encoding/base32)
- [Base62 encoder](/encoding/base62)
[All encoding tools](/encoding)

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Markdown version: https://nutter.tools/encoding/base58/index.md
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