Number Base Converter

Convert signed integers between binary, octal, decimal, and hexadecimal.

How to use

  1. Select the base that matches your input value.
  2. Enter a signed integer, optionally with 0b/0o/0x prefix.
  3. Click Convert to view values in all supported bases.

FAQ

Does this support negative numbers?

Yes. Signed integers are supported in every base.

Can I include base prefixes like 0x?

Yes. Binary, octal, and hexadecimal prefixes are accepted.