It’s a Windows-based program that lets you extract numerical coordinates from graph images (JPEG, PNG, BMP, TIFF). You align the axes, click along curves, and the software outputs X–Y data that you can save as TXT, XLS, or XML.
For 99% of users who just need to extract numbers from one or two graphs, the free version is perfect. You don’t need a key at all. Getdata Graph Digitizer 226 Key
For the uninitiated, Getdata Graph Digitizer is a lifesaver for scientists, engineers, and analysts. It allows you to take a scanned plot, chart, or graph (from a PDF or image file) and automatically convert the visual lines back into raw X,Y coordinates. It’s a Windows-based program that lets you extract
Think of it as reverse-engineering a graph. You import a JPEG or PNG, set the axes, click a few points on the curve, and export the numbers to Excel or CSV. No more guessing values from a blurry axis. You don’t need a key at all
Version 2.26 is a stable, older release that many people still seek out because it’s lightweight and does exactly what it promises.
Here's a quick-start workflow for the free trial: