Base58 Encoder / Decoder
Encode or decode Base58 (Bitcoin alphabet) for text or hex. 100% client-side, private.
No uploads. No account. Free to use.
Bitcoin-style Base58.
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- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is Base58 Encoder / Decoder?
Base58 omits ambiguous characters (0/O/I/l) and is the encoding behind Bitcoin addresses and many content identifiers. Encode or decode safely in your browser.
Key features
- Bitcoin alphabet (and note of variants)
- text ↔ Base58
- hex support
- leading-zero preservation
- client-side.
How to use it
- Paste
- choose encode/decode
- result.
When to use it
No risk of private keys or addresses leaving the device.
Frequently asked questions
Base58 vs Base64?
Different alphabet, no padding, human-friendlier. Checksum? Plain Base58 has none; Base58Check is higher-level. Uploaded? No.
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