Graphreader is a simple browser-based tool for extracting numerical values from images of graphs and plots, then exporting the data into CSV files.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Self-Hosted

Plot Digitizer is described as 'Java program used to digitize scanned plots of functional data. Often data is found presented in reports and references as functional X-Y type scatter or line plots. In order to use this data, it must somehow be digitized' and is an app. There are more than 10 alternatives to Plot Digitizer for a variety of platforms, including Windows, Linux, Mac, Web-based and BSD apps. The best Plot Digitizer alternative is LabPlot, which is both free and Open Source. Other great apps like Plot Digitizer are WebPlotDigitizer, Engauge Digitizer, g3data and PlotDigitizer.
Graphreader is a simple browser-based tool for extracting numerical values from images of graphs and plots, then exporting the data into CSV files.

Advanced georeferencing, digitizing, coordinate conversion, and mapping features at an affordable price. This is the ultimate geoprocessing and data conversion tool for map makers, cartographers, geologist, oil and gas professional, or GIS analyst.

