Programming and debugging
Convert IDs, flags, memory values, and literal constants while working with code or protocols.
Base Converter
Convert integers between binary, octal, decimal, hexadecimal, and base-36 formats using exact browser-side arithmetic.
Binary
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Octal
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Decimal
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Hexadecimal
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Base 36
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How to use this tool
A quick workflow so you can get the result you need without guesswork.
- 1
Choose the base that matches your input value.
- 2
Paste an integer and convert it into binary, octal, decimal, hexadecimal, and base-36 output.
- 3
Copy the representation you need for debugging, data work, or classroom examples.
Useful examples
Practical cases where this utility saves time and reduces mistakes.
Classroom math
Demonstrate how one integer appears across common number systems without hand conversion.
Data parsing
Translate machine-readable values such as binary or hexadecimal input into clearer decimal or base-36 forms.
Frequently asked questions
Short answers to the most common questions about the calculator above.
Which bases does the converter support?
It supports binary (2), octal (8), decimal (10), hexadecimal (16), and base-36 output.
Can it handle negative numbers?
Yes. Negative integers are supported and converted across all output bases.
Does the tool support fractions?
No. This version focuses on integer conversion only so it can use exact BigInt arithmetic.
Can I include prefixes like 0x or 0b?
Yes. Common prefixes are accepted when they match the selected input base.
Convert Integers Between Common Number Bases
This base converter helps you move between binary, octal, decimal, hexadecimal, and base-36 representations of the same integer. It is useful in programming, networking, classroom work, and any situation where numeric values need to be expressed in more than one system.
Because the conversion uses exact integer arithmetic in the browser, the outputs stay reliable even for values that exceed standard 32-bit limits. That makes the tool practical for real engineering data, not just toy examples.
Useful for Developers, Students, and Technical Support
Developers frequently switch between decimal and hexadecimal while reading logs, protocol dumps, or literal constants in code. Binary is also common when reasoning about bit flags and masks. A quick conversion tool removes friction from those tasks.
Students and technical support teams benefit too, because the output makes it easier to explain what a value means in a more familiar representation. The result is a small tool that solves a recurring problem cleanly and quickly.
Related tools
Keep moving with other free browser-based utilities on HandyUtils.