Number Base Converter
ConvertConvert numbers between binary, octal, decimal, and hexadecimal in real time. Great for programming, networking, and low-level debugging.
Runs entirely in your browser — nothing is uploaded
Binarybase 2
Octalbase 8
Decimalbase 10
Hexadecimalbase 16
Frequently asked questions
Which bases are supported?+
Binary (2), octal (8), decimal (10), and hexadecimal (16). Type in any field and the others update instantly.
Can it handle very large numbers?+
Yes — it uses BigInt internally, so arbitrarily large integers convert precisely.