Binary Converter

Convert between text and binary.

What is a Binary Converter?

A binary converter is a free online tool for converting numbers between binary, decimal, hexadecimal, and octal. It is useful for programming, debugging, and understanding different number systems. All conversions happen in your browser.

How to Convert Numbers

Enter a number in the input field. Select the base of the number you entered (binary, decimal, hexadecimal, or octal). The tool automatically converts it to all other bases.

Understanding Number Bases

Binary (base 2) uses 0 and 1. Decimal (base 10) uses 0-9. Hexadecimal (base 16) uses 0-9 and A-F. Octal (base 8) uses 0-7.

Common Use Cases

  • Convert binary to decimal
  • Convert decimal to hexadecimal
  • Understand color codes
  • Calculate Unix permissions
  • Debug low-level code

Frequently Asked Questions

What is a binary converter?+
A binary converter is a tool that converts numbers between binary (base 2), decimal (base 10), hexadecimal (base 16), and octal (base 8).
How do I convert numbers?+
Enter a number in the input field. Select the base of the number you entered. The tool automatically converts it to all other bases and displays the results.
What is the difference between binary and decimal?+
Binary uses base 2 (only the digits 0 and 1), while decimal uses base 10 (digits 0-9). Binary is used in computing; decimal is used for everyday counting.
What is hexadecimal?+
Hexadecimal is a base 16 number system using digits 0-9 and letters A-F. It is commonly used in computing to represent color codes, memory addresses, and other values.
What is octal?+
Octal is a base 8 number system using digits 0-7. It is sometimes used in computing, particularly for Unix permissions.
Is the converter safe?+
Yes. This tool converts numbers locally in your browser. No data is sent to any server.

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Binary Converter — free online binary converter, binary to decimal, decimal to binary, hex converter, octal converter, number base conversion, binary calculation, base conversion. No signup required. Works in your browser.