Convert numbers between binary, octal, decimal, hex, and custom bases.
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About Number Base Converter
The Number Base Converter transforms integers between binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16), and any arbitrary base from 2 to 36. Positional notation conversion is a fundamental concept in computer science and digital electronics — hexadecimal is the native notation for memory addresses, color codes, and assembly language; binary is used in bitwise operations and hardware registers; octal represents Unix file permission modes. This tool converts instantly with no limit on input size.
Enter a number in the input field and select its current base (binary, octal, decimal, hex, or custom). The tool simultaneously displays the equivalent value in all common bases. For custom bases (2 to 36), select Custom and specify the radix. Large numbers are handled without precision loss using arbitrary-precision integer arithmetic.
Common Use Cases
•Converting between binary, hexadecimal, and decimal while writing low-level C, C++, or assembly language programs
•Translating hexadecimal memory addresses and register values to decimal for debugger and disassembler output analysis
•Converting octal Unix file permission values (e.g., 0755) to binary to understand the rwx permission bit layout
•Decoding hexadecimal RGB and RGBA color codes to decimal component values for CSS and graphics programming
•Solving number-base conversion problems for computer science coursework, competitive programming, and interview preparation
Frequently Asked Questions About Number Base Converter
What is Number Base Converter?
Number Base Converter is a free online tool on akousa.net, a platform with 559+ browser-based utilities. Convert numbers between binary, octal, decimal, hex, and custom bases. No installation is required.
How do I use Number Base Converter?
Simply open Number Base Converter on akousa.net, enter or upload your data, configure any options, and click the action button. Results appear instantly in your browser.
Is Number Base Converter free?
Yes, the core Number Base Converter experience is free to use without signup. All 559+ tools remain available for everyday use, while Akousa Pro adds optional premium platform features and ad-free browsing.
Is my data safe with Number Base Converter?
Number Base Converter is designed for privacy-conscious use. Review the tool's inputs and outputs, and avoid entering secrets or confidential material unless the workflow is appropriate for that data.
What formats does Number Base Converter support?
Number Base Converter supports all commonly used formats for its conversion type. Simply upload or paste your source data and select the desired output format from the available options.
Does Number Base Converter work on mobile?
Yes, Number Base Converter is responsive and works on smartphones, tablets, and desktops with a modern web browser.
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