Chart Generator
TextCreate bar, line and pie charts from CSV or JSON with custom colors, and export as PNG or SVG.，Handy for text cleaning, format conversion and content.
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About Chart Generator
This bar chart generator uses Apache ECharts to render CSV or JSON data as bar charts locally in your browser. It supports customizable bar colors, axis labels, legend position, gridlines, and animations. Data input accepts CSV (first row as categories) and JSON (an object with categories and series fields). ECharts renders with Canvas or SVG, and charts export as PNG bitmaps. Unlike a line chart, a bar chart emphasizes how big each category is rather than the direction of change, so the axis baseline matters: if the y-axis does not start at zero, small gaps are exaggerated into dramatic height differences that mislead readers. Sort categories and keep units consistent before plotting, tune gridlines and legend before export to call out the key point, and for very large datasets disable animations or sample labels to keep rendering fast. Bar charts fit well in weekly reports or slides where an at-a-glance comparison beats a raw table.
How to Use
- Open the Chart Generator tool
- Paste the text to process
- Adjust the output options as needed
- Click the Process button; results appear in real time
- Copy or export the result
Use Cases
- Sales data comparison — Visualize quarterly or product-line sales as bar charts for intuitive performance comparison.
- Survey results — Render vote counts for each survey option as bar charts to clearly show distribution and proportions.
- Performance benchmarking — Plot operation time or throughput data for different solutions as bar charts to compare performance.
- Regional distribution — Visualize user counts or order volumes by region as bar charts to show geographic distribution.
- Project progress tracking — Plot completion counts for each task as bar charts to intuitively show project phase progress.
- KPI vs target — Group actual monthly KPI values next to targets as clustered bars to highlight gaps at a glance.
FAQ
What data formats are supported?
You can paste CSV with the first row as category labels and subsequent rows as data, or JSON containing a categories array and a series object array.
Can I customize bar colors?
Yes. Customize colors for each data series, plus axis labels, legend position, gridlines, and animation effects.
Can charts be exported as images?
Yes. ECharts charts can be exported as PNG bitmaps with adjustable resolution, suitable for documents or presentations.
Does it support multi-series comparison?
Yes. Add multiple series objects in JSON data for grouped multi-series bar charts, with different colors per series to compare several metrics side by side.
Should the y-axis always start at zero?
Bar charts should start at zero because truncating the baseline exaggerates small differences. If all bars sit in a narrow range, switch to a line chart or add value labels instead.
Will large datasets make the chart slow?
Rendering stays smooth for thousands to tens of thousands of points. For extreme volumes, sample labels or disable animations, and avoid very dense gridlines or legends.
Is my data uploaded?
No. Everything is rendered locally via ECharts and never sent to any server, so it is safe for unreleased business or operations data.