chartsai.by SupaMakers

GOOD TOOLS.CLEAR IDEAS.

Free chart makers, math tools and printables.
Start with an example. Customize it. Download it.

No signup. Free downloads.

New: 12 editable editorial templates

Worked examples Guides&datasets

Charts for reports & assignments

Fictional example data
Class scores (out of 100)Dot plot of 48 fictional class scores, from 52 to 100; repeated scores are stacked.Orders · North / SouthLine graph of fictional monthly orders, January to June: North shop in pink and South shop in blue. Open the example to inspect the values.

Maths, made visible

A line through (0, 1) and (3, 3), with equal units on both axes.

Slope = rise / run
= 2 / 3

Made by SupaMakers. Open source. Yours to use.

What are you making?

A chart for your report. A diagram for your lesson. A page to print. Pick a tool and start with a working example.

Chart makers

Paste spreadsheet cells or upload CSV or Excel. Choose your columns, check the preview, and export PNG, SVG, PDF or CSV. For articles, explore the editorial collection.

Math tools

Change the numbers and see the result. Explore the method, practise on paper, or print a worksheet with a separate answer key.

Printables

Make a practice set or a tracker to fill in by hand. Preview the pages, choose A4 or US Letter, and download your PDF.

See it.
Make it yours.

Try a dot plot or radar chart in three styles. Choose a look, then open the maker with this exact example ready to edit.

Your own data works too: upload a spreadsheet or paste cells, select your columns, and check the values before you replace the sample.

These previews use fictional teaching data.

CHART PREVIEW
Where each option stands. Option A and Option B compared across Ease of use, Features, Support, Value, Flexibility. All axes use a scale from 0 to 10. Exact scores are available in the data table.
After hours
Make this yours

Useful beyond the download.

Browse 12 editorial chart templates — before/after comparisons, group gaps, rankings and trends. Free projects, data and graphics.

Worked examples

50 original examples with the source values, a worked interpretation, and reusable downloads.

Explore the examples

Chart guides

20 explanations to help you choose a chart, understand its calculations, and avoid misleading comparisons.

Read the guides

Public datasets

Five attributed UCI datasets, with source notes and prepared CSV files for exploring the tools.

Find a dataset

Free tools. Clear methods.

12 editable editorial templates: choose a visual, replace the data, keep the design.

ChartsAI is a free collection of chart makers, math visualization tools and printable resources built by SupaMakers. No account or watermark is required.

Files, calculations and exports stay in your browser. Each tool explains its inputs, assumptions and limits. You can inspect the values, download the result, and reuse the open-source code.

About our methodsGet the source codeHow privacy works