Does it handle large numbers?

It supports standard JavaScript integer precision (up to 2^53).

Can I convert hex letters?

Yes, hex input accepts digits 0-9 and a-f.

Convert numbers between binary, octal, decimal and hexadecimal.

ValueInput base

Binary (2)11111111

Octal (8)377

Decimal (10)255

Hex (16)ff

Convert an integer between binary, octal, decimal and hexadecimal. All conversions show at once.

Does it handle large numbers?: It supports standard JavaScript integer precision (up to 2^53).
Can I convert hex letters?: Yes, hex input accepts digits 0-9 and a-f.