Create Your Chart
How to Use This Chart Generator
- Choose your chart type — Pie for parts of a whole, bar for comparisons, line for trends, donut for a stylish alternative to pie.
- Enter your data — Add labels and values. Each row becomes a segment or data point.
- Customize colors — Click the color box to change each segment's color.
- Add a title — Give your chart context with a descriptive title.
- Download — Save your chart as a PNG image for presentations, reports, or social media.
When to Use Each Chart Type
Choosing the right chart is about matching the visual to the question you want to answer. Here is a quick guide:
| Chart Type | Best For | Example Use | Avoid When |
|---|---|---|---|
| Pie Chart | Showing parts of a whole (proportions that sum to 100%) | Budget breakdown, market share | More than 6 categories, or slices are similar sizes |
| Donut Chart | Same as pie — parts of a whole — with space for a center label | Dashboard KPIs, infographics | Same limitations as pie charts |
| Bar Chart | Comparing quantities across categories | Sales by region, survey results, rankings | Showing trends over time (use line chart) |
| Line Chart | Showing trends or changes over a continuous sequence | Monthly revenue, daily temperature, stock prices | Comparing unrelated categories |
When in doubt, use a bar chart. Bar charts are the most versatile chart type and work well for most comparisons. Read our full guide: How to Choose the Right Chart Type for Your Data.
Tips for Creating Effective Charts
- Write a descriptive title. "Q4 Revenue by Product" is better than "My Chart." The title should tell the reader what they are looking at.
- Limit pie/donut segments to 6. Beyond that, small slices become indistinguishable. Group minor categories into "Other."
- Use color intentionally. Highlight the most important category with a strong color. Use muted tones for secondary data.
- Choose a background that matches your destination. Transparent for slides with colored backgrounds. White for documents and print. Dark for dashboards and screen presentations.
- Sort bar charts by value (largest to smallest) when ranking matters. Alphabetical order is fine for reference charts.
About This Chart Generator
This chart generator is a free tool that creates pie charts, donut charts, bar charts, and line charts directly in your browser. You enter labels and values, customize colors, and download the result as a PNG image.
All rendering uses the HTML Canvas API. No data is uploaded to any server — your data stays in your browser. No account, sign-up, or installation is required.
What it does
- Creates four chart types: pie, donut, bar, and line
- Custom colors per data point
- Editable chart title
- Background options: transparent, white, dark, navy
- PNG download with transparency support
- Live summary stats (total, count, largest value)
What it does not do
- Does not support axis labels or custom axis ranges (for more control, use dedicated chart tools or spreadsheet software)
- Does not import CSV/spreadsheet files — data is entered manually
- Does not produce SVG or vector output — downloads are raster PNG images
For individual chart types with additional options, see the dedicated tools below.
Frequently Asked Questions
What chart types can I create with this tool?
You can create four chart types: pie charts (parts of a whole), donut charts (pie chart with a hollow center), bar charts (comparing categories), and line charts (showing trends or sequences). Choose the type that matches your data and message.
When should I use a pie chart vs a bar chart?
Use a pie chart when showing parts of a whole that sum to 100%, with 6 or fewer categories. Use a bar chart for comparing independent values across categories, ranking items, or when you have more than 6 categories. Bar charts are easier to read for precise comparisons because humans judge lengths more accurately than angles.
What is the difference between a pie chart and a donut chart?
A donut chart is a pie chart with a hollow center. They show the same data — parts of a whole. The donut center can display a total or label, which is useful on dashboards. Visual readability is similar for both.
How many data points can I add?
There is no hard limit. However, charts become harder to read with too many segments. For pie and donut charts, 6–8 segments is ideal. Bar and line charts handle more data points — up to 15–20 categories for bar charts and dozens for line charts.
What file format is the download?
Charts download as PNG files. PNG supports transparency (if you select a transparent background) and produces crisp text and edges. PNG works well for presentations, reports, websites, and social media.
Can I use the charts for commercial purposes?
Yes. Charts you generate are yours to use for any purpose — presentations, reports, websites, social media, or print materials. No attribution required.
How do I pick the right chart type for my data?
Match the chart to your question. Comparing categories? Use a bar chart. Showing parts of a whole? Pie or donut chart. Tracking change over a sequence? Line chart. When in doubt, a bar chart is almost always a safe choice. See our chart selection guide for detailed decision rules.
Is this chart generator free and private?
Yes. The tool is completely free. All chart rendering happens in your browser using the HTML Canvas API. No data is uploaded to any server. No account or sign-up is required.
Learn More
Read our guide: How to Choose the Right Chart Type for Your Data — covers when to use each chart type, common mistakes, design principles, and worked examples for reports, presentations, and dashboards.
Related Tools
- Pie Chart Generator — dedicated pie chart tool with additional customization
- Bar Chart Generator — create bar charts with axis labels and sorting options
- Line Chart Generator — plot trends and time series data
- Scatter Plot Generator — visualize relationships between two variables
- Histogram Generator — show data distributions with customizable bins
- How to Read and Create Histograms — complete guide to histograms and distributions
Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are estimates and may vary based on actual conditions.
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Chart Generator FAQ
What chart types can I create with this tool?
You can create four chart types: pie charts (parts of a whole), donut charts (pie chart with a hollow center), bar charts (comparing categories), and line charts (showing trends or sequences). Choose the type that matches your data and message.
When should I use a pie chart vs a bar chart?
Use a pie chart when showing parts of a whole that sum to 100%, with 6 or fewer categories. Use a bar chart for comparing independent values across categories, ranking items, or when you have more than 6 categories. Bar charts are easier to read for precise comparisons because humans judge lengths more accurately than angles.
How many data points can I add?
There is no hard limit. However, charts become harder to read with too many segments. For pie and donut charts, 6–8 segments is ideal. Bar and line charts handle more data points — up to 15–20 categories for bar charts and dozens for line charts.
What file format is the download?
Charts download as PNG files. PNG supports transparency (if you select a transparent background) and produces crisp text and edges. PNG works well for presentations, reports, websites, and social media.
Can I use the charts I create for commercial purposes?
Yes. Charts you generate are yours to use for any purpose — presentations, reports, websites, social media, or print materials. No attribution is required.
Is this chart generator free and private?
Yes. The tool is completely free. All chart rendering happens in your browser using the HTML Canvas API. No data is uploaded to any server. No account or sign-up is required.
What is the difference between a pie chart and a donut chart?
A donut chart is a pie chart with a hollow center. They show the same data — parts of a whole. The donut center can be used to display a total or label, which is useful on dashboards. Visual readability is similar for both.
How do I pick the right chart type for my data?
Match the chart to your question. Comparing categories? Use a bar chart. Showing parts of a whole? Use a pie or donut chart. Tracking change over a sequence? Use a line chart. When in doubt, a bar chart is almost always a safe choice.