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Hex to Binary Converter

Convert hexadecimal values to binary with smart formatting, validation, and no sign-up required. 

How to Use This Tool

1. Enter Input: Paste a hexadecimal string (e.g., 48656C6C6F) or binary string (e.g., 01001000 01100101) into the text box.

2. Choose Conversion:

Click “Hex to Binary” to convert hex to 8-bit spaced binary.
Click “Binary to Hex” to convert binary (in 8-bit segments) to a hex string.

3. View Results: The converted output appears instantly in the output box below.

4. Check Conversion Summary: See how many bytes were processed and how the output was formatted.

5. Use Sample Data (Optional): Click “Sample Data” to autofill an example.

6. Reset Fields: Click “Reset” to clear both the input and output boxes for a new conversion.

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Hex to Binary Converter: FAQ

Hexadecimal (or “hex”) is a base-16 numbering system that uses digits 0–9 and letters A–F to represent values. It’s commonly used in computing as a compact way to express binary data.
Hex is easier to read for humans, but computers operate on binary (base-2). Converting hex to binary lets you see the underlying bits and better understand how data is stored or transmitted.
Yes. Just enter 8-bit binary values (separated by spaces), click “Binary to Hex,” and the tool will convert them back into a continuous hex string.
  • For hex: enter characters using 0–9 and A–F, in even-length strings.

  • For binary: enter 8-bit groups (e.g., 01001000) separated by spaces.

The tool includes input validation. If your input doesn’t meet the correct format (e.g., non-hex characters or incorrect binary lengths), it will display a helpful error message instead of failing silently.

No. Everything runs locally in your browser. Your input and results are never transmitted, logged, or stored anywhere.
Absolutely. This converter is ideal for learning how hexadecimal and binary relate. It’s great for developers, students, security professionals, and anyone working with data formats.
This tool explains what’s happening during conversion, validates input thoroughly, formats output clearly, and includes educational tips—no ads, no fluff, no sign-up required.

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