Load a Javascript file to further extend the capabilities of WebPlotDigitizer. For examples, visit the WebPlotDigitizer-Examples repository.

Enter X-values of the two points clicked on X-axis and Y-values of the two points clicked on Y-axes

Enter the values at the two points selected on the continuous axes along the bars

Degrees Radians

Clockwise

Axes Orientation

Normal	Reverse

Range of Variables

Click four known points on the axes in the order shown in red. Two on the X axis (X1, X2) and two on the Y axis (Y1, Y2).

Click on two known points (P1, P2) on the continuous axes along the bars

Click on the two ends of the scale bar on the map.

Click on the center, followed by two known points.

Click on the three corners in the order shown above.

Version 3.9

This program is distributed under the GNU General Public License Version 3.

Copyright 2010-2015 Ankit Rohatgi <ankitrohatgi@hotmail.com>

http://arohatgi.info/WebPlotDigitizer

R:  G:  B:

Dominant Colors:

The following relationships are being used to convert image pixels to data:

This JSON file contains the axes calibration and the digitized data points from this plot. This file can be imported later to resume work or reuse the calibration in another plot.

Specify a previously exported JSON file to load here. Note that this will clear any unsaved data points in the current plot.

JSON File:

Click to select a data point. The following keys can then be used to the adjust the position:

Label: