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Trentyx@local:~/dev-utilities/number-base-converter $ run number-base-converter_

Convert numbers live across Binary (base 2), Octal (base 8), Decimal (base 10), Hexadecimal (base 16), and custom bases (2-36). Includes interactive bit editor and bitwise calculator. 100% browser-based.

multi-base-converter.log
binary.base2 Base 2
octal.base8 Base 8
decimal.base10 Base 10
hexadecimal.base16 Base 16
Custom Radix:
bit-visualizer.bin
Length:
Click any bit below to toggle its value (0 ↔ 1) and inspect live binary nibbles/bytes:
bitwise-calculator.calc
Number A (Decimal or 0xHex / 0bBin):
Operation:
Number B / Shift Amount:
BITWISE RESULT
Binary: 0
Decimal: 0
Hexadecimal: 0
Octal: 0

Why Use a Number Base Converter in Programming?

In computer science and low-level software engineering, numbers are represented in multiple numeral systems depending on the context. While humans naturally use Base 10 (Decimal), digital microprocessors operate exclusively in Base 2 (Binary). Base 16 (Hexadecimal) provides a compact human-readable shorthand for binary bytes (e.g. RGB color codes, memory addresses, and network MAC addresses), while Base 8 (Octal) is widely used for Unix file permissions (e.g. chmod 755).

Arbitrary Precision with BigInt & Bit Manipulation

Standard JavaScript numbers use IEEE 754 double-precision floating-point format, which loses precision for integers exceeding 9,007,199,254,740,991 (253 - 1). This tool uses native BigInt arithmetic under the hood, enabling exact conversions and bitwise manipulations for arbitrarily large numbers without precision truncation.