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jTechDig Alternatives

jTechDig is described as 'software tool written in Java for digitizing data from an image of graph or plot. jTechDig can import images from .gif, .bmp, .png etc. files. After mapping of the coordinates system the data can be digitized manually by clicking the mouse' and is an app. There are more than 10 alternatives to jTechDig for Windows, Linux, Mac, Online / Web-based and Java. The best alternative is WebPlotDigitizer, which is both free and Open Source. Other great apps like jTechDig are Engauge Digitizer, Plot Digitizer, g3data and PlotDigitizer.

This page was last updated Jan 4, 2021
  • FreeOpen Source
  • Mac
  • Windows
  • Linux

jTechDig is a software tool written in Java for digitizing data from an image of graph or plot. jTechDig can import images...

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  1. WebPlotDigitizer

    • FreeOpen Source
    • Online

    A large quantity of published data is available only in the form of plots and it is often difficult to extract numerical data accurately out of these pictures. There are several softwares available to aid this process, but most are either paid or poorly written.

  2. Engauge Digitizer

    • FreeOpen Source
    • Windows
    • Linux

    This open source, digitizing software converts an image file showing a graph or map, into numbers. The image file can come from a scanner, digital camera or screenshot. The numbers can be read on the screen, and written or copied to a spreadsheet.



  3. Plot Digitizer

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Plot Digitizer is a Java program used to digitize scanned plots of functional data. Often data is found presented in reports and references as functional X-Y type scatter or line plots. In order to use this data, it must somehow be digitized.

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  4. g3data

    • FreeOpen Source
    • Windows
    • Linux

    g3data is used for extracting data from graphs. In publications graphs often are included, but the actual data is missing. g3data makes the extracting process much easier.

  5. PlotDigitizer

    • FreemiumProprietary
    • Online

    PlotDigitizer is data extraction software. It allows users to extract data points from graphs, plots, charts, and scanned documents.



  6. GraphClick

    • Mac

    GraphClick is a graph digitizer shareware for Mac OS X which allows to automatically retrieve the original (x,y)-data from the image of a scanned graphor fom QuickTime movies. Free download. Features automatic detection of solid, dashed or dotted lines, bar charts or symbols.

  7. DigitizeIt

    • Mac
    • Windows
    • Linux

    Sometimes it is necessary to extract data values from graphs, e.g. in most scientific publications only plots but no data values are published. DigitizeIt makes it easy to actually get back numbers from such a plot!

  8. UN-SCAN-IT

    • Mac
    • Windows

    UN-SCAN-IT graph digitizer converts scanned graphs to real xy data automatically. Extract xy data values from published graphs, old plots, and strip charts.

  9. im2graph

    • FreeProprietary
    • Windows
    • Linux

    im2graph is a free digitizing software that converts graph-images to graph-data, that is to numbers.

  10. Find Graph

    • Windows

    Take any graph or data from any source (Web or PDF document, for example), add your comments, and perform any manipulations, like nonlinear regression or curve fitting. Then print your results or export them to Excel or other database.

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