Bar Chart Maker
🔒 Local only Drawing & CAD
Enter labels and values to build a bar chart and export PNG.
The bar chart maker lets you enter rows of label and value, instantly rendering a clear bar chart on the canvas with an optional title. Scales and proportions are calculated automatically, and you can export a PNG for reports, slides, or handouts. Everything is drawn locally in your browser and nothing is uploaded.
Tool area
How to use
- Enter a chart title (optional).
- Fill in a label and value on each row.
- Click "Add row" to add more data; the chart updates instantly.
- Click "Export PNG" to download the image.
Use cases
- Make a bar chart of monthly sales or visitor counts.
- Compare scores across classes or groups.
- Show survey option counts in a report.
FAQ
- How many data rows can I add?
- No hard limit, but too many makes bars narrow; keep to a dozen or so for clarity.
- Can values be decimals?
- Yes, decimals are supported; empty or invalid rows are ignored.
- What format is the export?
- A PNG image with a white background, ready to paste into documents or slides.
- Is my data uploaded?
- No, all drawing happens locally in your browser.
- Can I chart negative numbers?
- It focuses on non-negative values; negative rows are ignored, which suits typical counts and ratios.
Privacy & local processing
🔒 This tool runs entirely in your browser. No data is uploaded to any server.
All chart drawing happens locally in your browser; your data is not uploaded.
Trust & usage note
This tool runs mainly in your browser. Your input is not actively uploaded to a server. Avoid entering highly sensitive data. Results are for reference only.
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