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Binary ⇄ Hexadecimal Converter

Instantly convert between binary and hexadecimal

Hexadecimal to Binary

Result

Result based on the provided information

Binary to Hexadecimal

Result

Result based on the provided information

Related Features

Binary ↔ Decimal
Binary ↔ Text
Binary ↔ Hexadecimal
Binary ↔ Octal
Binary ↔ ASCII
Binary ↔ Base64
Binary ↔ Gray Code
Binary ↔ BCD (Binary-Coded Decimal)

Binary to Hexadecimal and Hexadecimal to Binary Converter – Online, Fast, and Free

Do you need to quickly convert binary numbers to hexadecimal—or hexadecimal values back to binary?

Fastools offers a free online Binary to Hexadecimal and Hexadecimal to Binary converter, ideal for students, programmers, analysts, IT professionals, and enthusiasts who want to understand how digital systems represent data using different numeral bases. All directly in your browser—no software to install or accounts to create.

Just enter your binary or hexadecimal number, select the conversion type, and click “Convert”. Within seconds, you’ll get an accurate result based on reliable mathematical standards—suitable for programming, electronics, networking, and many other computing fields.

Our binary–hexadecimal converter is perfect for those studying numeral systems, working with low-level code, learning how processors store data, or needing to interpret memory addresses, machine code, and compact byte representations.

How to use the Binary to Hexadecimal and Hexadecimal to Binary converter?

  • 1️⃣ Select the desired mode: Binary → Hexadecimal or Hexadecimal → Binary.
  • 2️⃣ Enter or paste the value you want to convert.
  • 3️⃣ Click “Convert” to get the result instantly.
  • 4️⃣ Copy, share, or use the converted value wherever needed.

Why use Fastools’ converter?

  • ✅ 100% free, fast, and accessible online
  • ✅ Accurate conversions between numeral bases
  • ✅ Perfect for learning, programming, and digital electronics
  • ✅ Useful for memory, byte, address, and machine code analysis
  • ✅ Compatible with desktops, tablets, and smartphones

Benefits of using our numeric conversion tool

  • 📊 Learn how binary and hexadecimal relate to each other
  • ⚡ Instantly convert long binary sequences or large hexadecimal numbers
  • 🎯 Ideal for digital logic, electronics, programming, networking, and security
  • 💻 Works on any device—no installation required

Can I use this converter to learn numeral bases or study computing?

Yes! The tool is ideal for anyone wanting to understand how computers represent data, for students of programming, electronics, and computer architecture—and extremely useful in projects involving bit/byte manipulation and hexadecimal addressing.

Start converting Binary to Hexadecimal and Hexadecimal to Binary—quickly, accurately, and completely free—with Fastools. Simplify your studies, projects, and technical analyses in the digital world!

What is Binary to Hexadecimal conversion?

Binary to hexadecimal conversion transforms a sequence of bits (zeros and ones) into a more compact representation using the hexadecimal system—based on 16 symbols: 0–9 and A–F.

This kind of conversion is widely used in computing, as it simplifies reading, writing, and debugging long binary values—without any loss of information.

What is Binary to Hexadecimal conversion used for?

The hexadecimal format is extensively used to represent binary data in a shorter, more human-readable way—especially in technical and professional contexts.

  • Memory address representation
  • Memory dump and system log analysis
  • Low-level programming and embedded systems
  • Colors in web development (e.g., #FF5733)
  • Cryptography, hashes, and communication protocols

How does Binary to Hexadecimal conversion work?

The process involves splitting the binary number into 4-bit groups, starting from the right. Each 4-bit group maps directly to a single hexadecimal digit.

Basic conversion table

0000 = 0  |  0001 = 1  |  0010 = 2  |  0011 = 3
0100 = 4  |  0101 = 5  |  0110 = 6  |  0111 = 7
1000 = 8  |  1001 = 9  |  1010 = A  |  1011 = B
1100 = C  |  1101 = D  |  1110 = E  |  1111 = F

Practical example

Binary: 11010110
Divisão em grupos de 4 bits: 1101 0110
1101 = D  |  0110 = 6

Hexadecimal result: D6

Advantages of hexadecimal over binary

  • Represents large binary numbers using fewer characters
  • Improves human readability and reduces visual errors
  • Direct and exact conversion—no rounding required

What is Hexadecimal to Binary conversion?

Hexadecimal to binary conversion replaces each hexadecimal digit with its corresponding 4-bit group, reconstructing the original binary representation.

This process is essential when hexadecimal values must be interpreted directly by digital systems or analyzed at the bit level.

When is this conversion used?

  • Binary data analysis from hexadecimal values
  • Software and firmware debugging
  • Computer architecture studies
  • Communication protocols and networking

How does Hexadecimal to Binary conversion work?

Each hexadecimal character is directly replaced by its corresponding 4-bit binary equivalent—no complex math required.

Practical example

Hexadecimal: 3A
3 = 0011
A = 1010

Binary result: 00111010

Common mistakes when converting Hexadecimal to Binary

  • Using invalid characters outside the 0–9 and A–F range
  • Forgetting that hexadecimal letters are case-insensitive (e.g., 'a' = 'A')
  • Removing leading zeros that may be significant in certain contexts

Fun facts about the hexadecimal system

  • Each hexadecimal digit represents exactly 4 bits.
  • The prefix `0x` is commonly used to denote hexadecimal values.
  • Hexadecimal is the ideal bridge between binary and human-readable representations.