Hexadecimal to Base58 Converter [2025]

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Encode hexadecimal strings to Base58. Includes options for custom separators and grouping of the input.

✓ Custom Separators✓ Input Grouping

Hex Input

Base58 Output

Key Features

  • Encode hexadecimal strings to their Base58 representation.
  • Customize the separator between hexadecimal groups in the input (space, comma, newline, etc.).
  • Option to group hexadecimal input for improved readability.
  • Provides clear error messages for invalid hexadecimal input.
  • Includes example data for quick testing.
  • Copy functionality for input and output.

Common Use Cases

Cryptography

  • • Cryptocurrency addresses
  • • Private/public keys
  • • Encoding data

Data Analysis

  • • Encoding data
  • • File format analysis
  • • Reverse engineering

Development

  • • Working with encoded data
  • • Encoding/decoding processes
  • • System programming

Frequently Asked Questions

Is my data secure?

All processing is done client-side in your browser. No data is sent to a server.

What is Base58?

Base58 is a group of binary-to-text encoding schemes used to represent large integers as alphanumeric text. It omits characters that look similar (0, O, I, l). Commonly used in cryptocurrencies.

How are separators and grouping handled?

The separator and grouping options are applied to the *hexadecimal input* for better readability. They are removed before the actual conversion to Base58 takes place.

How are leading zeros handled?

Leading zero bytes (represented as "00" in hex) are significant in Base58. This converter correctly handles them by adding a leading '1' to the Base58 output for *each* leading zero byte.

Technical Details

Conversion Process

The hexadecimal input is first validated, and then any separators are removed. The hex string is converted to a BigInt, and then repeatedly divided by 58, with the remainders used to build the Base58 string. Leading zero bytes are represented by leading '1' characters in the Base58 output.

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