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

Apps similar to jTechDig include WebPlotDigitizer, which is free and open source. Other options are Engauge Digitizer, Plot Digitizer, g3data and PlotDigitizer. You can choose from more than 10 Screenshot Capture Tools like jTechDig for Windows, Linux, Mac, the web and self-hosting.
Graphreader is a simple browser-based tool for extracting numerical values from images of graphs and plots, then exporting the data into CSV files.
