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Bar Chart Maker (Free Image Generator)

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Bar Chart Maker (Free Image Generator)

Type your values and labels into a bar chart maker, hit download, and you've got a PNG or SVG. That's the whole loop. These are the charts you drop into reports, emails, and dashboards, not a spreadsheet you keep re-exporting by hand.

What a bar chart showsWhat a bar chart shows

A bar chart maps one number to the length of one bar. Taller bar, bigger number. That's the whole idea, and it's why bars are the default for comparing categories: weekday signups, revenue by month, votes per option. Your eye reads relative height instantly, no legend-squinting required. The idea goes back to William Playfair's charts from the 1780s, and the bar chart has barely changed since because it works.

Each bar needs two things: a value and a label. Pass data as an array of numbers and labels as the matching category names. Want to compare groups side by side, like this year against last year? Send series instead, an array of objects with a name and its own data, then stack or group them with a legend.

You can format the values as plain numbers, compact (1.2K), percentages, or currency, and flip bars to horizontal when your labels are long. It's the same picture either way, tuned to fit where it lands. Bars compare one value across categories; to see whether two numbers move together, a scatter plot plots each item on two axes instead.

Make one freeMake one free

Open the bar chart maker. Enter your values, add a label per bar, pick colors and a value format, and download the chart. No signup, no watermark. Export a PNG for emails and docs, or an SVG when you want it sharp at any size.

The chart doesn't care what your numbers stand for. Sales, survey results, poll counts, all the same to it. Hand it a value and a label per bar and you get a bar chart. One thing bars don't do is time: if you're laying tasks out across a schedule instead of comparing categories, reach for a Gantt chart instead.

Embed it anywhereEmbed it anywhere

A chart image embeds like any other image. One line of HTML and it renders inline:

<img src="https://your-render-url" alt="Weekly signups bar chart" width="600" />

Here's the useful part. Point a browser at a render URL rather than a saved file, and the image redraws on every load. Push this week's numbers and the same address returns an updated chart. You don't reopen the email, and no one re-exports a screenshot. A weekly KPI image in a newsletter keeps itself current.

Save a static file when you want a fixed snapshot, like a chart pinned to a specific date. Reach for a render URL when the picture should follow new data.

Generate at scaleGenerate at scale

One chart by hand is nothing. Fifty of them, or a fresh one every Monday, is where the API pays off.

The bar chart lives in the API as a component you configure once, then render on demand. One call takes your values and labels and returns the image. A few ways people wire it up:

  • On a schedule: a cron job pulls the week's metrics, hits the render URL, and drops the chart into a Monday digest.
  • Per request: your app renders a chart on the fly for whatever range a user picks.
  • Through an AI agent over MCP: the agent gathers the numbers and calls the render itself, no wiring on your end.

The API docs ship working examples you can copy, so the request shape isn't a guess. Build the chart once, then just send numbers.

Start making bar chartsStart making bar charts

Bring numbers, leave with a chart.

The free plan covers 100 renders a month, enough to stand up a weekly report and watch it hit your inbox before you pay a cent.

Frequently Asked Questions

Open a bar chart maker, type your values and one label per bar, pick a color and a value format, then download a PNG or SVG. You don't need a spreadsheet or a design tool, just the numbers you already have.

One number per category, plus a label for each. Pass data as an array of values and labels as a matching array of names. For multiple series, send series as objects with a name and a data array, and turn on the legend.

Yes. Chart is an API component, so one render call turns your values and labels into an image. Send fresh numbers on a schedule and the same render URL returns an updated chart for a report or a Slack post.

Bar in vertical or horizontal orientation, plus line and area from the same values and labels. Multiple series can be grouped or stacked, and a sparkline mode hides the axes, grid and labels for a minimal look.
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