| | Platform | Key Features | | :--- | :--- | :--- | | WebPlotDigitizer | Web-based (online) | Free, browser-based, supports many chart types (line, bar, scatter), no installation | | Engauge Digitizer | Windows, Mac, Linux | Open-source, powerful, supports automatic point and line recognition, active community | | g3data | Linux, Windows | Simple and fast for extracting data from graphs; free and open-source |

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