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Base58 Encoder / Decoder

Convert UTF-8 text to Base58 using the Bitcoin alphabet, or decode it.

Convert in your browser · No sign-up

Preserves leading zero bytes. Maximum input 8000 characters. This is raw Base58, not Base58Check and not address validation.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Convert UTF-8 text to Base58 using the Bitcoin alphabet, or decode it.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

Hello → 9Ajdvzr

Details and limitations

Text stays in your browser; it is not sent to a conversion server.

Format references

Tool page updated: