Binary Converter is now live on Tools.Town — a fast, no-fuss tool to translate numbers between binary, decimal, hexadecimal, and octal in one click.
Whether you’re debugging a bitmask, reading a hex color code, or studying computer science fundamentals, Binary Converter gives you all four representations side by side.
What Does It Do?
Binary
Base-2 representation using only 0s and 1s. The native language of every processor.
Hexadecimal
Base-16 with digits 0–9 and A–F. Standard in memory addresses, color codes, and byte values.
Octal
Base-8, digits 0–7. Used in Unix file permissions and some legacy systems.
Enter a value in any field and all four bases update instantly — you never have to pick a direction first.
How It Works
Enter a value
Type a number into any of the four input fields — binary, decimal, hex, or octal.
Get instant results
All other three fields update in real time as you type.
Copy any result
Click the copy icon next to any field to grab that representation.
Why We Built It
Developers constantly jump between number bases — reading hex memory dumps, setting bitmask flags in decimal, checking Unix permissions in octal. Opening a calculator app and doing multi-step manual conversions breaks flow. Binary Converter keeps all four representations on screen at once so you can reason about the number in whichever base is most natural for the task.
Try It Now
Binary Converter
Translate between binary, decimal, hex, and octal instantly — all four outputs side by side.
Explore more in the developer tools — JSON Formatter, UUID Generator, JWT Decoder, and more.
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Frequently Asked Questions
What bases does Binary Converter support?
Can it handle negative numbers?
Is there a limit on input size?
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