Developer•Free tool
Binary Converter – Decimal, Hex, Octal & Binary
Convert numbers between decimal, binary, hexadecimal and octal instantly. Type in any base and see the value in all others.
No sign-upBrowser-based
DEV
Tool
Enter your values and get results instantly.
HOW
How to Use
- 1Choose the input base (decimal, binary, hex or octal)\n2. Enter the number\n3. See the value in all other bases instantly\n4. Copy any result with one click
WIN
Benefits
Instant conversion across 4 bases
Handles large numbers
Copy buttons on every result
Private — runs in your browser
FAQ
Frequently Asked Questions
How do I convert decimal to binary?
Divide the number by 2 repeatedly and read the remainders from bottom to top. For example, 13 becomes 1101. This tool does it instantly.
What is hexadecimal used for?
Hex is a base-16 system used heavily in programming — memory addresses, color codes (#FFFFFF) and debugging. Each hex digit represents 4 binary bits.
Can it convert negative or fractional numbers?
It handles positive integers up to large values. For most programming needs, integers are exactly what you need.