Question 1

What is a line chart?

Accepted Answer

It connects data points with lines to show the progression and trend of values over time.

Question 2

What chart is similar to a line chart?

Accepted Answer

When you fill in the area below a line chart, it becomes a chart called an area chart.

Question 3

When should I use a line chart?

Accepted Answer

It is suitable for showing changes in time-series data, such as sales or temperature.

Question 4

When is a line chart not suitable?

Accepted Answer

It is not suitable for comparing categories or for showing proportions of a whole. To show proportions of a whole, a pie chart is suitable.

Question 5

How do I use this site?

Accepted Answer

On this site, you can easily create a line chart just by entering numbers. Change the values in the "Data Entry" section, and adjust the appearance in "Settings & Style." You can save your finished chart as an image.

Question 6

Can I display multiple lines?

Accepted Answer

Yes, you can. Add a new line (column) from the "+" icon at the top right of the data entry table. The color and thickness of each line can also be set individually.

Question 7

Can I change the line type (the way it curves)?

Accepted Answer

Yes. From "Line style" in the "Settings & Style" section, you can choose from several styles, such as straight lines or smooth curves.

Question 8

How do I change the appearance of the chart?

Accepted Answer

In the "Settings & Style" section, you can freely customize the chart orientation (horizontal/vertical), the legend and grid lines, and showing/hiding the dots at each point.

Question 9

I want to change the color or thickness of a specific line.

Accepted Answer

Click the pencil icon next to each line's label. A pop-up window opens where you can freely edit the line's name, color, and thickness.

Question 10

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 11

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 12

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 13

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 14

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 Line Chart Maker

Frequently Asked Questions

How to Use Free Line Chart Maker

Enter your data

Customize the design

Download the image

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Line & Area Charts

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Free Line Chart Maker

Frequently Asked Questions

Q.What is a line chart?

Q.What chart is similar to a line chart?

Q.When should I use a line chart?

Q.When is a line chart not suitable?

Q.How do I use this site?

Q.Can I display multiple lines?

Q.Can I change the line type (the way it curves)?

Q.How do I change the appearance of the chart?

Q.I want to change the color or thickness of a specific line.

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?