Free, runs entirely in your browser — no sign-up, no file upload to a server.
What does Binary Converter do?
It converts numbers between binary, decimal, hexadecimal, and octal.
How do I use it?
Enter a number in any one base, and its equivalent in the other three bases appears instantly.
Is my input sent anywhere?
Everything runs in your browser — nothing you type or paste is sent to a server.
How do I report a problem or request a feature for this tool?
Use the Contact / Feedback page — select "Binary Converter" as the related tool so we know exactly which tool you mean, then describe the bug or the feature you'd like to see.