Box Plot Maker — Free AI Box & Whisker Plot

How it works

Describe your data

Tell us about your dataset or paste raw values. No formatting required — just describe what you want to compare.

AI builds the box plot

MyMap's AI generates a box and whisker plot with median lines, quartile boxes, whiskers, and outlier markers — all clearly labeled.

Refine and export

Adjust labels, colors, or data points, or ask AI to add comparisons. Export as PNG or PDF when you're done.

What is a Box Plot?

A box plot (also called a box and whisker plot) is a statistical chart that displays the distribution of a dataset through its quartiles. The "box" spans from the first quartile (Q1) to the third quartile (Q3), with a line marking the median. "Whiskers" extend to show the rest of the data range, and individual points mark outliers.

Developed by mathematician John Tukey in 1970, box plots are a staple of exploratory data analysis used in research, business analytics, and education.

Why box plots work

Five-number summary shows minimum, Q1, median, Q3, and maximum at a glance

Outlier detection highlights unusual values that may need investigation

Group comparison lets you place multiple distributions side by side for quick analysis

Distribution shape reveals skewness without needing a full histogram

Box plots are especially useful when comparing distributions across categories — such as salaries by department, test scores by class, or response times by region.

MyMap's AI generates clear, labeled box plots from a description of your data — with quartile markers, outlier indicators, and comparison groups, ready to customize and export.

Common questions

Is the box plot maker free?

Yes — you can generate box plots for free without signing up. Free accounts get a generous number of AI messages per month. Upgrade to Pro for unlimited charts.

Can I customize after generation?

Absolutely. Every element is editable — labels, colors, data ranges, and axis scales. You can also ask AI to refine the chart with a follow-up message.

What data does a box plot show?

A box plot displays the minimum, first quartile (Q1), median, third quartile (Q3), maximum, and any outliers. It gives you a quick visual summary of data distribution and spread.

Can I compare multiple groups?

Yes. You can create side-by-side box plots to compare distributions across departments, time periods, categories, or any grouping you need.