Local · Private · Free

Chart Maker

Turn a table of numbers into a clean bar, line, pie or donut chart and export it as PNG, drawn right on your device, nothing uploaded.

Data 2 rows

Chart type

Chart title

Color theme

Show values Legend

Rendered locally, nothing is uploaded.

Drawn from scratch, kept on your machine

No charting library and no server, every bar, slice and label is painted on a canvas in your browser, so your figures never leave the device. Edit the table or paste two columns of data and the chart updates live. Export a crisp 2× PNG for slides, docs or social.

About Chart Maker

Chart Maker is a free, private tool that runs entirely in your web browser. Type or paste your data and get a bar, line, pie, or donut chart in seconds. Export a crisp PNG ready for slides, reports, or social. Because everything happens locally on your device, your data is never uploaded to a server. No sign-up and no installation required. Like every free tool by Digital Heroes, Chart Maker is 100% free with no limits.

What you can do

Build bar charts from any table of labels and values, with rounded bars and value labels.

Plot line charts with area fill and data-point markers for spotting trends at a glance.

Create pie and donut charts showing each slice as a percentage of the total.

Paste data from a spreadsheet in one click: tab, comma, or semicolon-separated columns are all detected automatically.

Switch color themes across five palettes, Moss, Ocean, Sunset, Berry, and Slate, to match your brand.

Download a 2x PNG or copy the chart straight to your clipboard, fully rendered on your device.

How to use Chart Maker

Open Chart Maker in your browser. No signup, no install needed.

Enter your labels and values in the data rows, or click Paste data to import two columns from a spreadsheet.

Choose a chart type: Bar, Line, Pie, or Donut. Pick a color theme and set a title.

Toggle Show values and Legend to adjust what appears on the chart.

Click Download PNG to save the chart, or Copy image to paste it directly into a doc or email.

Frequently asked questions

Is Chart Maker free?

Yes, Chart Maker is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Are my files uploaded anywhere?

No. Chart Maker runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.

Does it work offline?

Yes. This tool is a Progressive Web App, once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Do I need to install anything or create an account?

No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.

What does Chart Maker do?

Paste data and get a clean bar, line, pie or donut chart, export PNG.