Bar Chart Maker: Create Bar Charts, Grouped Bars, and Stacked Bars Online
Need to compare categories quickly? Paste a CSV, choose your category and value columns, then switch between simple bars, grouped bars, stacked bars, and horizontal bars without leaving the page.
- Best for category comparisons, revenue by segment, survey counts, and before-vs-after breakdowns
- Supports tidy CSV or TSV data with repeated rows that can be summed automatically
- Exports the finished chart as PNG or SVG
What a bar chart is and when to use one
A bar chart compares quantities across categories by using bar height or length to represent value.
Bar charts work when the main question is straightforward: which category is bigger, smaller, or changing the most? They are often the best first chart for business metrics, operations summaries, survey results, and product reporting.
Use a bar chart for:
- sales by region
- signups by channel
- tickets by issue type
- responses by answer choice
- comparisons between segments in the same category
Which bar chart type should you choose?
| Chart type | Best for | Example |
|---|---|---|
| Simple bar chart | One metric across categories | revenue by region |
| Grouped bar chart | Comparing subgroups side by side | revenue by region and channel |
| Stacked bar chart | Comparing totals plus composition | revenue by region split by channel |
| Horizontal bar chart | Long category names or ranking lists | top support issue types |
If you mainly care about exact subgroup comparisons, use grouped bars. If you mainly care about total size and composition, use stacked bars.
Format your data for this bar chart maker
The easiest layout is a tidy table with:
- one category column
- one numeric value column
- one optional series column for grouped or stacked bars
Example:
category,segment,revenue
North,Online,125
North,Retail,96
South,Online,114
South,Retail,88If your source data has many rows per category, this maker sums repeated values automatically. For adjacent workflows, see Line Chart Maker, Area Chart Maker, Pie Chart Maker, and Histogram Maker.
Common bar chart mistakes
- Do not use bars for continuous trends when a line chart maker would show the story more clearly.
- Do not stack too many series if readers need precise subgroup comparisons.
- Do not sort bars randomly unless the original input order has meaning.
- Do not use a text column as the value field. The bar length must come from numbers.
If you need deeper exploratory analysis beyond a focused maker page, start with Graphic Walker or compare with Scatter Plot Maker when the task is about relationships rather than category totals.
FAQ
What is the best data format for a bar chart maker?
The best format is tidy CSV or TSV with one category column, one numeric value column, and an optional series column for grouped or stacked bars.
Can this tool make grouped and stacked bar charts?
Yes. If your data includes a second categorical series column, you can switch between grouped and stacked modes directly in the page controls.
Should I use a vertical or horizontal bar chart?
Use vertical bars for standard category comparisons and horizontal bars when category labels are long or when you are presenting a ranked list.
What if my dataset has repeated category rows?
That is fine. This bar chart maker sums repeated rows by category, and by category plus series when grouped or stacked mode is enabled.