Number bases

Convert an integer between binary, octal, decimal, hexadecimal and base 36. Prefixes such as 0x are understood, and numbers can be as large as you like.

Other tools you may need

&HTML entitiesEscape and unescape special characters0xHex & binarySee text as bytes, and backkgUnit converterLength, weight, temperature, data size and moreRGBColor converterHEX, RGB and HSL with a contrast check

Sign in

For team members only. An administrator creates accounts.