What is the Data Plotter?
Plot line, scatter, and bar charts from your data with this free data plotter. Enter x,y pairs or separate columns — get an instant SVG chart with axis labels, grid lines, and auto-scaling. Perfect for lab results, calibration curves, and homework. Runs in your browser.
How to use the Data Plotter
- Choose Line, Scatter, or Bar chart type.
- Enter data as x,y pairs (one per line) or in separate x and y columns.
- Set chart title and axis labels.
- Review the live-updating chart with grid lines and data points.
- Copy the underlying data table for reports.
Common use cases
- Plotting calibration curves for spectrophotometry labs
- Graphing reaction rate vs substrate concentration
- Comparing treatment groups in bar charts
- Visualizing homework data sets for statistics class
- Quick exploratory plots during data analysis
Frequently asked questions
- What data formats are supported?
- Enter comma- or space-separated x and y columns, or x,y pairs one per line. Y-only lists use 1, 2, 3… as the x-axis. Category labels (e.g. Control, 12) work for bar charts.
- What chart types are available?
- Line charts connect ordered points. Scatter plots show individual points. Bar charts display categories or numeric x values as bars.
- Is my data uploaded?
- No. All parsing and chart rendering happens locally in your browser.
- How many points can I plot?
- Up to 500 data points per chart. Minimum 2 points required.
- Can I use this for lab reports?
- Yes. Plot calibration curves, trial comparisons, and treatment groups. Copy the chart visually or export the data table from the copy button.
