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Free Engineering Tools

Small, focused, browser-based tools for everyday engineering work — no sign-up, no install. Your files and data stay on your own device.

Free tool

📈 Graph Digitizer

Turn a picture of a graph into numbers. Load a scanned or printed chart, calibrate the axes, trace the curve, and read values off it or export straight to Excel. Runs entirely in your browser.

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Coming soon

🧩 More on the way

We’re building a small collection of no-nonsense utilities for engineers. Have one you’d find useful? Tell us.

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New to digitizing charts? Read how to extract data from a graph.

All tools here are free and run client-side — nothing you load is uploaded. See our privacy policy.

Designing lattice towers?

SutranetTower runs a full 3D analysis and Indian-code checks for 3-leg and 4-leg communication towers — free to start, in your browser.

Try SutranetTower →