Bar Chart Builder
Turn a short label/value list into a downloadable chart.
Runs locally in your browser
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What is the Bar Chart Builder?
A bar chart is the clearest way to compare a handful of amounts: monthly sales, survey answers, page views per article, or the cost of several options. People need one quickly for a report, a slide, a forum post or a README, and opening a spreadsheet program, formatting a range and exporting an image takes several minutes for what should be a moment's work.
This builder takes up to 20 lines of label and value, separated by a comma, and draws horizontal bars scaled against the largest value, with each number printed beside its bar. The chart updates as you type, and the Download SVG chart button saves an 800 pixel wide vector image that stays sharp at any size and opens in browsers, slide software and most design tools. Values must be zero or positive, and everything is processed in your browser, so the numbers you paste are never uploaded.
How to use it
- 1Paste a label and a numeric value per line.
- 2Review the chart for clear comparisons.
- 3Download the SVG chart.
How it works
Parses one label and numeric value per line, scales bars relative to the largest magnitude and renders an accessible SVG.
Example
Paste three monthly totals to compare their relative size at a glance.
Limitations & notes
- Values should use one unit and be non-negative.
- This simple chart is intended for small datasets, not statistical analysis.
Frequently asked questions
When should I use a bar chart instead of a line or pie chart?
Use a bar chart to compare separate categories, such as sales by region or votes per option. Use a line chart when the values form a continuous trend over many time points. Pie charts only work for a few parts of one whole and make close values hard to compare; bars of 23 and 27 are easy to tell apart, while pie slices of those sizes are not.
Why should bar charts start at zero?
Readers judge bars by their length, so a bar twice as long should mean twice the value. Starting the axis above zero exaggerates differences: values of 95 and 100 can look like a two-to-one gap. This builder always measures bars from zero against the largest value, so a 50 is drawn exactly half as long as a 100.
How should I format numbers in the input?
Write plain numbers without thousands separators, currency symbols or percent signs, for example Q1,12500 rather than Q1,$12,500. The tool splits each line at its last comma, so labels can contain commas, such as Paris, France,42, but a number containing a comma would be split in the wrong place. Mention the unit in your caption or title instead.
Can I edit the downloaded SVG?
Yes. SVG is a text-based vector format, so you can open it in Inkscape, Figma, Illustrator or a code editor to change colors, fonts or add a title. It scales without blurring for print or high-resolution screens. Labels longer than 24 characters are shortened in the SVG, and some word processors may need you to convert it to PNG before inserting it.
Can I chart negative numbers or several data series?
No. This builder draws one series of non-negative values, up to 20 bars. Negative values show an error because the bars grow from zero in one direction. For profit and loss, grouped comparisons or stacked categories, use a spreadsheet chart or a plotting library. For quick comparisons of a few positive totals, a single series is usually the clearest choice.
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