Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal, live.
100% local - nothing is uploaded
About this tool
Convert numbers between binary, octal, decimal and hexadecimal in real time. Type a value in any base and see the other three update instantly, with input validation. A handy reference for programming, networking and low-level debugging.
What range is supported?
Values are parsed as integers up to the JavaScript safe limit of 2 to the 53rd. Larger values may lose precision.
Are hex letters case-sensitive?
No - both uppercase and lowercase letters are accepted for hexadecimal input.
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