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Hex to Binary Converter Online

Understanding Hex to Binary Conversion

  • One hex digit equals four binary bits — for example, F becomes 1111
  • Each byte (that's two hex digits) converts into eight binary bits
  • There's a direct mapping between the hexadecimal and binary numbering systems
  • This is super useful for bitwise operations and working with digital electronics

What You Can Do With This Tool

  • It automatically filters out any invalid characters
  • You can choose to add spaces between bytes for better readability
  • Works with both uppercase and lowercase hex input — your choice
  • Great for batch conversion, even with larger chunks of data

Frequently Asked Questions

Why does one hex digit represent four bits?

Since hexadecimal is base-16, and 2⁴ = 16, each hex digit corresponds to exactly four binary bits.

What happens if my input has invalid characters?

Don’t worry — any non-hex characters are automatically removed before the conversion happens.

Can I convert floating-point hex values?

This tool converts raw hex values. If you're working with floating-point numbers, you’ll need to convert them to decimal first.