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Number Base Converter

Instantly convert numbers between binary, octal, decimal, and hexadecimal bases. Just pick the base of your input, type the number, and see all equivalent representations at once. Perfect for debugging, learning numeral systems, or verifying manual conversions.

🔒 Processing happens in your browser — files are never uploadedFree · No sign-up required

How to Use

  1. 1Enter the number you want to convert in the input field.
  2. 2Choose the base of your input from the dropdown (binary, octal, decimal, or hexadecimal).
  3. 3Read the converted values for all other bases. Click the copy button next to any result to save it to your clipboard.
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Why use ShowPro's Number Base Converter?

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100% Private
Files never leave your browser. Zero server uploads.
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Instant Results
Processing happens locally — no waiting for uploads.
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Completely Free
No account needed. Use 5 times per day, always free.

Frequently Asked Questions

Can I convert fractional or decimal numbers?

No, only integer numbers are supported. If you enter a decimal point or fraction, the tool will show an error.

What about hexadecimal letters?

You can use uppercase or lowercase letters A–F; both are accepted.

What happens if I type a digit that doesn’t belong to the selected base?

The tool checks the input immediately and displays an error telling you which characters are invalid for that base.

Learn more about Number Base Converter

📖
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