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Calcimator

Number Converter Suite

Comprehensive number system converter. Convert between binary, octal, decimal, hexadecimal, RGB/Hex colors, ASCII/Unicode characters, and signed integers.

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Step 1 of 4

How to Use This Calculator
  1. Choose a Conversion Type: Number Base for binary/hex/decimal/octal, Color Conversion for RGB↔Hex, ASCII/Unicode Table, or Signed Integer (Two's Complement).
  2. For number base conversion, enter the Input Number in decimal and instantly see Binary, Octal, and Hexadecimal equivalents with bit/byte counts.
  3. For color conversion, enter Red, Green, Blue channel values (0–255) to get the Hex Color, RGB CSS, RGBA CSS, and HSL representations.
  4. For ASCII/Unicode, set the Starting Code Point (e.g., 65 for 'A') and Number of Characters to explore a range of characters with their hex codepoints.
  5. For signed integers, enter the Signed Value and select 8-bit, 16-bit, or 32-bit width to see the Two's Complement binary and hex encoding.
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