Question 1

What is a donut chart?

Accepted Answer

A donut chart is a pie chart with a hole in the center, showing the proportion of each part relative to the whole. You can display additional information in the center.

Question 2

What chart is similar to a donut chart?

Accepted Answer

A donut chart is similar to a Pie Chart.

Question 3

When should you use a donut chart?

Accepted Answer

It is well suited when you want to show the composition ratio of the whole while also displaying a total value or specific information in the center.

Question 4

When is a donut chart not suitable?

Accepted Answer

When there are too many elements, visibility decreases and comparing each part becomes difficult, so it is not suitable.

Question 5

What is the basic way to use this tool?

Accepted Answer

In the "Data Input" section, enter and edit the name, value, and color of each item in the chart. Next, adjust the appearance under "Chart Style", and finally download the finished chart as an image with the "Save" button below the preview.

Question 6

Can I change the unit of the total value shown in the center of the chart?

Accepted Answer

Yes, you can change it. Enter any text you like (e.g., "yen", "items") in the "Unit" input field in the "Chart Style" section.

Question 7

How do I add or delete data items?

Accepted Answer

Enter new content in the "Label" and "Value" input forms at the bottom of the data input area and press the "Add" button to add an item. To delete an existing item, click the "×" icon button on the right of each item.

Question 8

Is it possible to freely change the color of each item?

Accepted Answer

Yes, it is possible. In "Data Input", click the colored square box to the right of each item's value to open a color picker and choose any color you like.

Question 9

I want to display the percentage (proportion) for each item in the chart.

Accepted Answer

By turning on both the "Show item names inside cells" and "Show proportions (%)" switches in the "Chart Style" section, the name and percentage of each item will be displayed above it.

Question 10

Can I move the label positions freely?

Accepted Answer

Yes, click a label once (both inner and outer) to select it, and then drag it to move it to any position you like. Click a selected label again to show a popup for editing the label name and value. The moved position is saved automatically.

Question 11

Can I change the center text directly on the chart?

Accepted Answer

Yes, click the text displayed in the center of the chart to show a popup for editing the text content, font size, unit, and unit size.

Question 12

How can I save the chart as an image?

Accepted Answer

Click the "Download Image" button below the preview area to download your chart in PNG/JPEG/SVG format with your chosen quality. If you want to change the aspect ratio, drag the handle at the bottom-right corner of the preview frame to adjust it.

Question 13

Is there an auto-save feature?

Accepted Answer

Yes, there is. Your chart data is saved automatically to your browser's local storage. When you reload the page, or close and reopen your browser, you can restore the saved data. You can also revert to the default data by pressing the reset button at the top-right of the data input area. Local storage data is saved only in your browser and is not shared with other users. If local storage is disabled in your browser settings, the auto-save feature will not work. Clearing your browser cache will also delete the saved data.

Question 14

How do I save my data temporarily?

Accepted Answer

Click the "Save & Publish Chart" button below the preview area to temporarily save your chart. You can re-edit it later using the URL and password issued when you saved it. You can also publish the chart publicly via URL.

Question 15

How do I load saved data?

Accepted Answer

You can load a chart using the "Resume from Saved Data" button. When loading, enter the URL and password issued when you saved it.

Question 16

Can I bulk-enter data via CSV or copy & paste?

Accepted Answer

Open the dialog from the "Bulk Input" button, then copy and paste from a spreadsheet/Excel or an HTML table, or select a CSV file. Please check the screen for what to enter in each row and column. After pasting, edit it in the preview and click "Confirm & Apply" to reflect it in the chart.

Free Donut Chart Maker

Preview

Data Input

Settings & Style

Frequently Asked Questions

How to Use Free Donut Chart Maker

Enter your data

Customize the design

Download the image

All Free Graph & Chart Tools

Bar Charts & Comparison

Line & Area Charts

Pie Charts & Proportions

Distribution & Statistics

Hierarchy & Relationships

Flow & Process

Shapes & Space

Quality Control (QC)

Others

Free Donut Chart Maker

Preview

Data Input

Settings & Style

Frequently Asked Questions

Q.What is a donut chart?

Q.What chart is similar to a donut chart?

Q.When should you use a donut chart?

Q.When is a donut chart not suitable?

Q.What is the basic way to use this tool?

Q.Can I change the unit of the total value shown in the center of the chart?

Q.How do I add or delete data items?

Q.Is it possible to freely change the color of each item?

Q.I want to display the percentage (proportion) for each item in the chart.

Q.Can I move the label positions freely?

Q.Can I change the center text directly on the chart?

Q.How can I save the chart as an image?

Q.Is there an auto-save feature?

Q.How do I save my data temporarily?

Q.How do I load saved data?

Q.Can I bulk-enter data via CSV or copy & paste?