Converters
Number Base Converter
Convert numbers between bases 2–36 including binary, octal, decimal, and hexadecimal.
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How to use
- Enter a number in the source base
- Choose from and to bases
- Copy the converted result
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Frequently asked questions
Which bases are supported?
Any integer base from 2 to 36.
Are letters case-sensitive?
Input is parsed case-insensitively; output uses uppercase digits A–Z for bases above 10.
Can I share a conversion?
Yes. Share link stores the value and from/to bases in the URL.