Engauge Digitizer

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.

Free Open Source Windows Linux

WebPlotDigitizer

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...

Free Open Source Web

Plot Digitizer

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...

Free Open Source Mac OS X Windows Linux

g3data

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...

Free Open Source Windows Linux

DigitizeIt

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...

Commercial Mac OS X Windows Linux

GraphClick

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...

Commercial Mac OS X

jTechDig

Software tool written in Java for digitizing data from an image of graph or plot.

Free Open Source Mac OS X Windows Linux

UN-SCAN-IT

Digitizing Software converts graph image files to usable (x,y) data automatically.

Commercial Mac OS X Windows

im2graph

im2graph is a free digitizing software that converts graph-images to graph-data, that is to numbers. With behind the scenes fast and efficient image processing...

Free Windows Linux

Dagra

Graphs are great for understanding results in reports and papers, but to use those results in your own analysis, you'll want the underlying numerical data. Your...

Commercial Windows