Free tool
Pareto chart generator
Bars ranked by size, a cumulative percentage line, and an 80% reference line. Export to PNG, SVG or CSV. No account needed.
Calculations run in your browser. Saving uploads the analysis; asking AI sends its data for processing.
CSV, TSV or pasted spreadsheet cells. Delimiter detected automatically (7 data rows).
Saving supports up to 500 input rows. Duplicate labels are combined in the result.
Preview the first 20 usable rows
Pareto chart
- Total
- 5,300
- Categories
- 7
- Vital few
- 3
- Top 20% share
- 66%
Priority #1
Login failures
39.62% of total · 2,100
| # | Category | Value | Share | Cumulative |
|---|---|---|---|---|
| 1 | Login failures Vital few | 2,100 | 39.62% | 39.62% |
| 2 | Payment errors Vital few | 1,400 | 26.42% | 66.04% |
| 3 | Performance Vital few | 800 | 15.09% | 81.13% |
| 4 | Billing questions | 400 | 7.55% | 88.68% |
| 5 | Email delivery | 300 | 5.66% | 94.34% |
| 6 | Feature requests | 180 | 3.4% | 97.74% |
| 7 | Other | 120 | 2.26% | 100% |
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Reading a Pareto chart
The bars show each category's value from largest to smallest. The line shows the running total as a percentage. Where the line crosses the threshold, you have found the vital few.
Turn this chart into a complete analysis with insights and recommended actions in the Pareto analysis tool.