Bin · Oct · Dec · Hex
Number base converter
Convert numbers between binary, octal, decimal and hexadecimal. Type in any field and the rest update instantly.
Frequently asked questions
Which bases does it convert?
Binary, octal, decimal and hexadecimal, in any direction.
Does it handle large numbers?
Yes. It uses big integers so very large values stay precise.
Is conversion done locally?
Yes, entirely in your browser.