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Chart Generator

Create custom charts instantly from your data — bar, line, pie, area, radar — fully client-side.

Data Input

We detect JSON, CSV or TSV automatically.

Table Input

CategoryValueActions

Data Preview

Add data to preview and generate a chart.

Chart Options

Chart Generator Online - Create Bar, Line, Pie and More

Turn raw data into beautiful, shareable charts. Paste data, upload CSV/TSV, or use simple JSON and instantly visualize it with bar, line, area, pie, and radar charts.


What is the Chart Generator?

It's a flexible visualization tool that converts your data into clear charts for presentations, reports, dashboards, and study. Choose the chart type, select the fields, customize colors, and download the image.


How to use

  1. Paste data in the input or upload a CSV/TSV file.
  2. Choose the chart type (bar, line, area, pie, radar).
  3. Select the x-axis (category) and y-axis (values).
  4. Pick one or more series to plot (for multi-series charts).
  5. Optional: set title and color palette.
  6. Click Render Chart.
  7. Use Download PNG to export the chart image or Download CSV to export processed data.

✅ Works with JSON objects/arrays, CSV with headers, and TSV files.


Supported formats

  • JSON: array of objects, e.g. [{ "month": "Jan", "sales": 120 }]
  • CSV: first row as headers (comma-separated).
  • TSV: first row as headers (tab-separated).

Tip: Ensure headers are clean and consistent (no extra spaces).


Available chart types

  • Bar: compare categories side by side (single or stacked).
  • Line: show trends over time or ordered categories.
  • Area: emphasize cumulative or magnitude trends.
  • Pie: show composition of a whole by category.
  • Radar: compare multiple metrics across the same categories.

Practical examples

  • Sales by month: line or bar chart using month (x) and sales (y).
  • Market share: pie chart with company as category and share as value.
  • Performance metrics: radar chart for KPIs per product or team.
  • Survey results: bar chart comparing responses by option.
  • Finance: area chart for cumulative revenue or expenses.

Frequently Asked Questions (FAQ)

Why isn't my chart rendering?

Check that your data has headers and that you selected valid fields for x-axis and series.

Can I plot multiple series?

Yes. Select more than one series field to plot multiple lines/bars.

How do I export the chart?

Use Download PNG to save the image. Use Download CSV to export the normalized data.

Which colors are supported?

Pick from preset palettes or define custom hex colors in the tool.


Tips and best practices

  • Clean and validate your data before plotting.
  • Use descriptive titles and axis labels.
  • Prefer line/area for trends and bar/pie for comparisons.
  • Avoid too many series to keep charts readable.

➡️ Paste or upload your data and build a chart in seconds!

Chart Generator - Toolcan.io