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How to use the Function Grapher — step by step

A short walkthrough of function grapher on toolmix.io. Plot up to four maths functions on an interactive canvas. Follow the three steps below and you are done in under a minute.

Open the Function Grapher

How it works

  1. 1Function Grapher is a free browser tool on toolmix.io: plot up to four maths functions on an interactive canvas.
  2. 2Enter or paste your input on the left and the result updates immediately — no sign-up, no upload queue for the tools that run locally.
  3. 3Copy or download the output in one click, then jump to any other utilities utility from the sidebar.

Frequently asked questions

Is Function Grapher free to use?

Yes. Everyday use is free. A free account also saves your history, while watermark-free exports and higher AI limits come with a paid plan.

Do I need to create an account to use Function Grapher?

No. You can use it as a guest. Signing in adds saved history, and paid plans add higher AI limits and clean, watermark-free exports.

Is my data kept private?

Text and image tools that can run in your browser do exactly that, so the content never leaves your device. AI tools send your prompt or file to the model provider only to produce the result.

Does Function Grapher work on mobile?

Yes. The layout adapts to phones and tablets, so you can use it on the go without horizontal scrolling.