It can automatically trace lines if the image quality is high enough.
GetData Graph Digitizer is a program used to "digitize" graphs and plots. If you have a JPEG, PNG, or PDF of a graph but lack the original Excel or CSV data, this tool allows you to click on the lines or points of the image and extract the actual X and Y coordinates. getdata graph digitizer 224 verified free download
| Software | License | Best For | | :--- | :--- | :--- | | | Open Source (GPL) | Linux / Cross-platform users. Supports batch digitizing. | | WebPlotDigitizer | Free (Online/Browser) | Quick extraction without installing software. Excellent for SVG and image files. | | PlotDigitizer | Freemium | Modern UI; works on Mac and Windows. | | GetData Graph Digitizer 3.x | Paid ($40) | Official version; supports 4K displays and is actively maintained. | It can automatically trace lines if the image
GetData Graph Digitizer 2.24: Extracting Data from Visual Plots | Software | License | Best For |