Hex to Base64

Reverse Conversion Tool: Base64 to Hex Converter

Convert Hexadecimal Strings to Base64 Encoding Instantly

This Hex to Base64 Converter is a fast and accurate online tool designed to transform hexadecimal values (base-16) into Base64-encoded strings. Whether you’re a developer, cryptographer, or network engineer, converting data between these two formats is crucial for encoding binary data into readable text across different systems.

What Is Hex to Base64 Conversion?

Hexadecimal (base-16) and Base64 are both encoding systems used to represent binary data in text form:

  • Hex (Base-16) represents each byte as two hexadecimal characters (0–9, A–F).
  • Base64 encodes binary data into a set of 64 characters (A–Z, a–z, 0–9, +, /).

Converting hex to Base64 involves grouping bits from the hex string and encoding them using the Base64 algorithm. This conversion is commonly used in cryptography, digital signatures, certificates, and data transfer.

How to Use the Hex to Base64 Converter?

hex to base64 converter infographic
  1. Enter your hex string (e.g., 48656C6C6F).
  2. Click Convert.
  3. Get the Base64 output (e.g., SGVsbG8=).

Hex to Base64 Conversion Example

  • Hex: 4D616E
  • Binary: 01001101 01100001 01101110
  • Base64 Output: TWFu

Why Use This Hex to Base64 Tool?

  • ✅ Instant conversion with zero latency
  • 🔐 Secure and browser-based, no data sent to server
  • 🎯 Perfect for encoding cryptographic values
  • 🔄 Supports batch conversions and multiline input

Common Use Cases of Hex to Base64 Conversion

  • Encoding public/private keys or hashes
  • Sending data via APIs (e.g., JSON over HTTP)
  • Email attachments encoded with MIME Base64
  • Certificates and secure token formats

Frequently Used Tools

These internal tools ensure smooth transitions between various encoding formats depending on your needs. Also, you can find a hub for hex conversion & calculator tools on the website’s homepage.

Hex to Base64 Conversion in Programming

JavaScript:

const hex = "48656c6c6f";
const base64 = btoa(hex.match(/\w{2}/g).map(h => String.fromCharCode(parseInt(h, 16))).join(''));
console.log(base64); // SGVsbG8=

Python:

import base64
hex_str = "48656c6c6f"
base64_str = base64.b64encode(bytes.fromhex(hex_str)).decode()
print(base64_str)  # SGVsbG8=

Related Concepts

  • Base64url: A variant of Base64 safe for URLs and file names.
  • Binary-to-Text Encoding: A group of encoding techniques including Base64, Base32, and Base58.
  • ASCII Encoding: Often used alongside hex to read readable text.

FAQs – Hexadecimal Strings to Base64 Converter

Q: Can I convert long hex strings with this tool?

A: Yes, the tool supports long and multiline hex strings.

Q: Does the tool support lowercase hex?

A: Yes. Both uppercase and lowercase hex values are supported.

Q: What’s the difference between Base64 and Hex?

A: Hex is more readable and compact for debugging; Base64 is more space-efficient for encoding binary data.