[ktownsend]

I've had to do this semi-manually several times based on plots in sensor datasheets, and this would have saved me some effort. I've previously used: https://automeris.io/WebPlotDigitizer/

[elektor]

Your link is what I currently use, can you delve deeper into why Graphreader would save you time?

[ktownsend]

This looks like it has a few additional post-processing steps, although those aren't complicated to do yourself either.