Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Calculators Runs in your browser

Binary Calculator

Add, subtract, multiply, divide binary numbers with step-by-step solution. 100% private. 100% private.

100% Private Works Offline Instant

Binary A

Binary B

Bit width (0=no clamp)

Signed (two's complement)

Single-number converter (dec → bin/hex/oct/gray)

Decimal (non-negative integer)

Batch mode (one expression per line)

Privacy: all binary math runs locally. History is stored only in your browser (localStorage).

Add, subtract, multiply, divide binary numbers with step-by-step solution. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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