Hex to Binary Converter

Introduction

Use this hex to binary converter to turn hex into binary fast.

It also shows the decimal value.

Paste a value, click convert, and get clear results.

Students and engineers use it for checks and quick math.

How It Works

Each hex digit maps to four binary digits called bits.

One hex digit always becomes four bits.

A nibble is a group of four bits.

Turn on grouping to add a space after each nibble.

The converter accepts uppercase and lowercase letters.

It also accepts a 0x prefix or a # prefix.

Enter a single value with no spaces.

Allowed characters are 0 to 9 and A to F.

It converts each digit to a 4 bit chunk.

Then it joins the chunks into one binary string.

For example, A becomes 1010 and F becomes 1111.

You also get a decimal line for quick checks.

The Hex line repeats your cleaned input.

The Binary line shows the conversion.

The Decimal line shows the base 10 value.

Empty input shows a prompt to enter a hex value.

Invalid characters show an error with the allowed characters.

Step by Step Directions

How to Use This Tool

1. Type a hex value, for example 1A3F.
2. Click Convert or press Enter.
3. To group bits, check Group by nibbles.
4. Read Hex, Binary and Decimal outputs.

Inputs and options

• Hex input box accepts one value with no spaces.
• Use digits 0 to 9 and letters A to F.
• You can include 0x or # at the start.
• Group by nibbles adds a space every four bits.

Benefits of the Hex to Binary Converter

This tool gives quick and correct results.

It checks your input and shows clear errors.

You get binary with or without spaces.

You also get a decimal value for one glance checks.

• Simple flow with few steps.
• Works with uppercase and lowercase input.
• Supports a 0x or # prefix.
• Groups bits by nibble on request.

Why Use This Tool?

Use this hex to binary converter for tasks where speed and clarity matter.

• Check bit masks and flags in code.
• Study base conversions for class.
• Review protocol values in logs.
• Work with microcontroller registers.
• Do quick checks on color hex values.

Notes and limits

• Enter one value only.
• Use 0 to 9 and A to F characters.
• The tool trims 0x or # at the start.
• Binary grouping inserts spaces when the box is on.
• Decimal can lose precision past 13 hex digits.
• Very large values can exceed the number range in JavaScript.
• The binary result stays exact for any length.

Real World Example

Hex FF converts to binary 11111111.

With grouping on, it shows 1111 1111 for readability.