What this tool does
Convert hexadecimal, decimal, binary, octal, text, and bytes without integer truncation.
Method
Integer modes use arbitrary-precision arithmetic, while text mode encodes and decodes documented UTF-8 byte sequences with configurable grouping.
Example
Convert hexadecimal FF to decimal, binary, and an unsigned 8-bit representation.
Inputs and outputs
| You provide | You receive |
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Privacy and data use
Conversion stays in your browser. Values and text bytes are not uploaded.
Related tools
Common questions
Is it free?
Yes. The core tool and its standard result or export are free to use.
Do I need an account?
No for the core utility. An account or private management token is requested only for capabilities that must persist, such as editable dynamic QR links.
Can I trust the result?
The method and assumptions are visible above. Time-sensitive tools name their sources and freshness; important financial, safety, legal, or operational decisions should be verified with the primary authority.