Dev Tools
Binary / Hex Converter
Type in any base — all others update. Useful for CS students and engineers.
Esc Clear
Enter a number in any base to convert
What does Binary / Hex Converter?
A tool to convert numbers between decimal, binary, hexadecimal, and octal in real time.
How to use Binary / Hex Converter?
- Type a number into any field.
- All other bases are calculated instantly.
- Copy whichever value you need.
Key features
- Converts between decimal, binary, hex, and octal
- Real-time calculation across all fields
- No button needed — updates automatically
Frequently asked questions
What is hexadecimal used for?
Hex is widely used in programming to represent colors, memory addresses, and byte values.
What is the largest number supported?
The tool works with standard JavaScript integer precision — up to 2⁵³.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.