Built forEngineering Students

Clearer thinking starts with the right tool.

GSTools turns the small calculations behind bigger systems into focused, accurate browser tools.

Signal previewLive

See each input become an output.

The toolkit

Two tools. No distractions.

Made for labs, lectures, and the five minutes before a quiz.

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Interactive Tool

Logic Gate Simulator

Explore and simulate seven digital logic gates with interactive inputs and live outputs. Experiment with real-time logic outputs.

Supported gates: AND, OR, NOT, NAND, NOR, XOR, XNOR

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Interactive Tool

Number System Converter

Convert numbers between Binary, Octal, Decimal and Hexadecimal with BigInt precision.

Supported systems: Binary (2), Octal (8), Decimal (10), Hexadecimal (16)

Built on three principles

Accurate by default.

Local first

Your values stay in the browser. No account, no upload, no waiting.

Readable output

Every result is shown in the notation you need, with context beside it.

Made to verify

Truth tables and full-base results help you check your own work.