CCalcBOX
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Base Converter

Convert between binary, octal, decimal, and hexadecimal.

About Base Conversion

Converts between binary, octal, decimal, and hexadecimal, plus custom bases (2-36), bitwise operations, two's complement, endianness display, ASCII/Unicode character display, BigInt support, IEEE 754 visualization, and ASCII/Unicode table.

Features: Base conversion / Bit visualization (click to toggle) / AND, OR, XOR, NOT, Shift operations / Two's complement / Byte order / Character code display / BigInt support / IEEE 754 / ASCII Table

Use cases: IP address conversion, color code analysis, bitmask calculations, character code lookup, network programming, large number handling, floating-point analysis, etc.

📖How to Use
  1. 1Enter a number and select the source base (binary, octal, decimal, hexadecimal)
  2. 2See the conversions to all other bases listed at once
  3. 3Useful for programming studies and electronics
💡Tips & Knowledge
  • •Hex digits: A=10, B=11, C=12, D=13, E=14, F=15. Memorize these for smooth hex calculations
  • •Color code #FF5733 means R:255 G:87 B:51 in decimal
  • •Binary conversion is essential for calculating IP subnet masks

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All calculations run in your browser. No data is sent to any server.