While there are other digitizers available (like WebPlotDigitizer), GetData Graph Digitizer 2.24 is widely preferred in academia for its: (no internet required). Reliable Auto-trace algorithm. Proven track record in peer-reviewed literature. Conclusion
A graduate student found a 1970s climate graph showing CO2 vs. temperature in a scanned report. Using GetData 2.24, they digitized 150 points, merged with modern data, and published a replication study. getdata graph digitizer 2.24
Recreating physical performance curves (e.g., pump curves, stress-strain relationships) to input into CAD or simulation software. they digitized 150 points
Use the cursor to click directly on individual data points. This is ideal for scattered plots or low-quality, noisy images. merged with modern data