How do I create a chart from my CSV file?

Simply drag and drop your CSV file onto the upload area, or click to browse. SimpleViz.app will automatically detect your data columns and generate a chart. You can then customize the chart type, colors, and axis labels.

Can I create charts from Excel files?

Yes! SimpleViz.app supports both .xls and .xlsx Excel files. Just upload your Excel file and we'll automatically parse the first sheet and create your chart.

Absolutely. SimpleViz.app processes all data entirely in your browser. Your files never leave your device and are never uploaded to any server. This makes it perfect for sensitive business data.

What chart types are available?

SimpleViz.app offers bar charts, line charts, area charts, and pie charts. Each chart type is optimized for different data visualization needs.

Can I export my charts?

Yes! You can export your charts as PNG, JPEG, or SVG files. The exported images are high-resolution and ready for presentations, reports, or web use.

Do I need to create an account?

No account or signup is required. SimpleViz.app is completely free to use with no registration needed.

Free Online Chart Maker
CSV, Excel & JSON to Charts

Create beautiful bar charts, line graphs, pie charts and more from your spreadsheet data. It's completely free with no signup required. Your data stays private because it never leaves your browser.

Create Free Chart Now How It Works

No signup required 100% Free Privacy first

CSV Files

Comma-separated values

Excel Files

.xls & .xlsx formats

JSON Data

JavaScript Object Notation

How to Create Charts Online in 3 Steps

Transform your CSV, Excel, or JSON data into professional charts in under a minute. You don't need to install any software or have any technical skills to get started.

Upload Your Data

Drag & drop your CSV, Excel (.xls, .xlsx), or JSON file. You can also paste data directly from your spreadsheet.

Choose Chart Type

Select bar chart, line graph, pie chart, or area chart. Customize colors and configure your axes.

Export & Share

Download as PNG, JPEG, or SVG. Perfect for presentations, reports, social media, or websites.

Why Choose SimpleViz.app Chart Maker?

Instant Chart Generation

Create charts in seconds. No waiting, no processing delays. See your visualization immediately as you upload data.

100% Private & Secure

Your data never leaves your browser. All processing happens locally on your device. Perfect for sensitive business data.

Export to Any Format

Download high-resolution PNG, JPEG, or vector SVG files. Ready for presentations, reports, or professional publications.

Free Online Chart Makers

Create bar charts, line graphs, pie charts, and area charts from CSV, Excel, or JSON data. Each chart type is optimized for different visualization needs.

Bar Chart Maker

Create beautiful bar charts instantly from CSV, Excel (.xls, .xlsx), or JSON data. Free bar graph generator with no signup required. Your data never leaves your browser - 100% private and secure.

Line Chart Maker

Visualize trends and time series with line charts from your CSV, Excel (.xls, .xlsx), or JSON data. Free line graph generator - instant, private, and runs entirely in your browser.

Area Chart Maker

Generate stunning area charts from CSV, Excel (.xls, .xlsx), or JSON data. Free area graph generator with stacked area support. Client-side processing means your data stays 100% private.

Pie Chart Maker

Create pie charts and donut charts from CSV, Excel (.xls, .xlsx), or JSON data in seconds. Free pie graph generator with instant visualization right in your browser - no signup needed.