Base64 to Hex Converter

Base64 to Hex Converter

Convert Base64 encoded strings to hexadecimal format instantly. Perfect for debugging and data analysis.

Convert Base64 to Hex

Paste your Base64 string below to convert it to hexadecimal

Features

Instant Conversion

Convert Base64 to hex in milliseconds

100% Secure

All processing happens locally in your browser

Hex Formatting

Toggle between uppercase/lowercase and 0x prefix

What is Base64 to Hex Conversion?

Base64 to hexadecimal (hex) conversion is the process of decoding Base64 encoded data and then representing it as hexadecimal values. Hexadecimal is a base-16 number system that uses digits 0-9 and letters A-F to represent values, making it compact and human-readable for binary data.

This tool decodes your Base64 string and converts each byte to its two-digit hexadecimal representation. You can customize the output with uppercase or lowercase letters and optionally add the “0x” prefix commonly used in programming languages.

How to Use This Tool

  1. 1
    Paste your Base64 encoded string into the input field
  2. 2
    Click the “Convert to Hex” button
  3. 3
    View the hexadecimal output in the output area
  4. 4
    Toggle formatting options, copy to clipboard, or download as a file

Common Use Cases

Cryptography

Convert Base64 encoded hashes and cryptographic keys to hex format

Debugging

Inspect Base64 data in hexadecimal for easier byte-level analysis

Data Analysis

Convert Base64 encoded binary data to hex for analysis and comparison

Programming

Convert Base64 strings to hex format for use in low-level programming

Frequently Asked Questions

Is Base64 to hex conversion secure?

Yes, all conversion happens entirely in your browser. Your Base64 data never leaves your device and is never sent to any server, ensuring complete privacy and security.

Should I use uppercase or lowercase hex?

Both are functionally identical and represent the same values. Uppercase (A-F) is more common in documentation, while lowercase (a-f) is often preferred in programming. Choose based on your preference or project requirements.

What is the “0x” prefix for?

The “0x” prefix is a convention used in many programming languages (C, JavaScript, Python, etc.) to indicate that a number is in hexadecimal format. It's optional and only needed when writing code.

Is this tool free to use?

Absolutely! This Base64 to hex converter is completely free with no limitations, registration, or hidden costs.