There is a free version of a tool with this name hosted on SourceForge that handles basic linear and logarithmic scales well. Key "Good Features" to Look For
: A research-grade, fully automatic tool specifically designed to extract data points from spectroscopy graph images. Why Avoid "Cracks"? plotdigitizer crack
PlotDigitizer is designed to help users extract data points from images of graphs. This can be particularly useful when the original data is not available, but there's a need to work with the data for analysis, comparison, or reproduction of results. There is a free version of a tool
Easy setup for linear, log, and even polar or ternary scales. Point Geometry: plotdigitizer crack