AAlifBay DevTools
Developer utility

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal. Type in any field — the others update live. Supports big integers.

Underscores, commas, and spaces in the input are ignored, so 1010_0110 and 1,000,000 work. Prefixes 0b, 0o, 0x are accepted.

About Base Converter

Convert integers between binary, octal, decimal, hexadecimal, and other common number bases. No account is required, and your input remains on your device.

How to use Base Converter

  1. 01Enter or select the content you want to process.
  2. 02Choose the settings that match your intended output.
  3. 03Copy or download the result when it is ready.

Example

Input
255 decimal
Result
FF hexadecimal · 11111111 binary

Related tools

🔤 Base64 Encode/Decode🔗 URL Encode/Decode🛡️ Escape / Unescape

Frequently asked questions

Is Base Converter free?

Yes. You can use this tool without creating an account or paying for access.

Is my data uploaded?

No. Tool input is processed locally in your browser and is not sent to AlifBay servers.