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Convert numbers and run bitwise math

Base Converter switches a non-negative integer between decimal, hexadecimal, binary, and octal in real time, lets you flip individual bits, and provides a small bitwise calculator (AND, OR, XOR, NOT, shift left, shift right) for register-style work.

1. Converter tab

• Decimal / Hex / Binary / Octal cards. Type into any one and the others update. Each card highlights when it is the active source.
• Prefixes. The hex card recognises 0x, binary recognises 0b, and octal recognises 0o. They are stripped before parsing and added back when copying.
• Copy. Sends the field’s value, including the appropriate prefix, to the clipboard.
• Bit Toggle (16-bit). Click any cell to flip that bit. The bit numbers underneath go from 15 (MSB) on the left to 0 (LSB) on the right. The row hides for values above 65,535 to keep the layout sensible.

2. Bitwise Ops tab

• Operation buttons. AND, OR, XOR, NOT, << (shift left), and >> (shift right). Selecting an operation also clears the previous result.
• Value A. Enter the first operand in any base; all four bases stay in sync as you type.
• Value B. Shown for AND, OR, and XOR. NOT and the shift operations only need a single operand.
• Shift Amount. Visible for << and >>. Accepts 0–31 because results are constrained to unsigned 32-bit width.
• Calculate. Runs the selected operation. The result card shows the answer in all four bases together with a human-readable label like 5 AND 3.