# Graph Plotter

> A professional desktop charting application for financial analysts, researchers, and data teams. Create publication-ready charts from Excel, CSV, and ODS files, no coding required.

Graph Plotter is a Windows desktop app. Users load a spreadsheet file, pick columns, choose a chart type, and export a high-resolution PNG in under two minutes. All processing happens locally, no data is uploaded to any server.

## Chart Types

- **Line Chart**: multi-series time-series with trendlines, moving averages, and month markers (Free)
- **Scatter Plot**: with trendlines and custom markers (Free)
- **Bar Chart**: grouped, stacked, and horizontal variants (Free)
- **Pie Chart**: with percentage labels (Free)
- **Histogram**: frequency distribution (Free)
- **Gantt Chart**: project timeline visualisation (Basic)
- **Efficient Frontier**: portfolio optimisation curve for financial analysis; no Python or R needed (Pro)

## Analytics Overlays

- Trendlines (Basic)
- Moving average with configurable window (Basic)
- Month markers on time-series (Basic)
- Totals box (Basic)
- Value labels on bars (Free)
- Anomaly detection: highlights data points that exceed a configurable % threshold (Pro)
- Point annotations: pin notes to individual data points (Pro)
- Multi-series compare: overlay multiple datasets on the same axes (Pro)

## Data Import

- Excel (.xlsx, .xlsm, .xls), CSV, ODS: all supported on Free
- Multi-sheet Excel workbooks detected automatically (Basic)
- Data Preview before plotting (Basic)
- Advanced Select Data dialog: choose columns across sheets, row series, or row+column mode (Basic)

## Projects

- Save and load chart settings as `.gpplot.json` project files (all tiers)
- Session persistence: last chart restored on app relaunch (all tiers)

## Export

- PNG export (watermarked on Free, clean on Basic+)
- 220 DPI high-resolution export (Basic+)
- Unlimited exports on all tiers

## Privacy

Graph Plotter is a desktop application. Excel files, client data, and portfolio figures are processed entirely on the user's machine. Nothing is uploaded. No internet connection required to use the app.

## Pricing

- **Free**: €0/month. 5 chart types, unlimited watermarked exports, save/load projects.
- **Basic**: €9/month. Watermark-free exports, Gantt chart, analytics overlays, data preview, multi-sheet support.
- **Pro**: €39/month. Efficient Frontier, anomaly detection, point annotations, multi-series compare, 220 DPI export.
- **Business**: Custom. Priority support, custom branding, dedicated account manager.

14-day free trial, no credit card required.

## Pages

- Homepage: https://www.graph-plotter.com/
- All Features: https://www.graph-plotter.com/features
- Pricing: https://www.graph-plotter.com/pricing
- Documentation: https://www.graph-plotter.com/docs
- FAQ: https://www.graph-plotter.com/faq
- Blog: https://www.graph-plotter.com/blog
- Scatter Plot guide: https://www.graph-plotter.com/charts/scatter-plot
- Line Chart guide: https://www.graph-plotter.com/charts/line-chart
- Bar Chart guide: https://www.graph-plotter.com/charts/bar-chart
- Pie Chart guide: https://www.graph-plotter.com/charts/pie-chart
- Histogram guide: https://www.graph-plotter.com/charts/histogram
- Gantt Chart guide: https://www.graph-plotter.com/charts/gantt-chart
- Efficient Frontier guide: https://www.graph-plotter.com/charts/efficient-frontier
- Contact / Sales: https://www.graph-plotter.com/contact
- Support: https://www.graph-plotter.com/support