Upgrade Center

If you own an older copy of KaleidaGraph, regardless of how old it is, you can purchase an upgrade to the current version (Mac – v5 or Windows – v4.5.4).

Select your platform below and explore some of the new features:

  • Mac Version 5
  • Windows Version 4.5.4

You have come to rely on KaleidaGraph to quickly and easily visualize your data, analyze your results, and communicate your findings.

Now is the time to make the move to KaleidaGraph 5! With support for the latest Mac architecture, new ways to represent your data, and more export options, it is easier than ever to share your scientific ideas. Upgrade to v5 today!

Thanks for updating KaleidaGraph - after 33+ years still very much my go-to program for plots.

Prof. Olve Peersen

I have found the new version to be a big improvement and it is great to be using KaleidaGraph for my research work again!

Dr. Chris Pearson -


64-bit version including native support for the M1 chip.

New plot type: Bubble plot.

Ability to overlay markers on Box, Percentile, and Summary Column plots.

Support for gradient fill patterns.

Ability to add error bars to Dot plots.

Support for exporting SVG and PDF files.

Transparent backgrounds for PNG and TIFF images.

Source of Syntax Errors are now displayed in a dialog.

Support for multiple Undos via a History dialog.

Additional enhancements include:

  • Long file name support.
  • Support for Unicode and longer text strings.
  • Ability to easily import and export comma-separated files.
  • Support for dates beyond 2040.
  • Increased the maximum number of data windows, plot windows, and General curve fits.
  • Improved the appearance of fill patterns when exported at higher resolutions.
  • Ability to specify text encoding when importing and exporting text files.
  • Improved appearance on Retina displays.
  • And more…

Five times more variables (99), 24 new markers, independent line and fill color, drop line capability, new plot types, improved plot exporting, new Slice Data command, confidence interval computation, enhanced scripting commands, and more…. Upgrade today!

More control over the axes, ticks, and grids.

More options for axes, ticks, and grids.

Increased the number of variables and marker options.

Increased number of plot variables and marker options

Ability to add drop lines.

Adding drop lines to a plot

Ability to reorganize grouped data.

Reorganizing grouped data

Export predicted values and all curve fit results to data window.

Exporting curve fit values to data window

Confidence intervals and further analysis added to Linear curve fits.

Confidence limits for Linear curve fit

Addition of three new plot types.

Floating Bar, Floating Column, and Fill plot examples

Export images at a higher resolution.

Dialog showing improved export options

Enhanced scripting commands.

Enhanced scripting commands

More flexible method for selecting data for plots.

Improved Variable Selection dialog

Show the median line on Dot plots.

Dot plot improvements

Box & Percentile plot updates.

Box plot improvements

Additional Enhancements include:

  • Added support for the latest Excel file formats (.xlsx files).
  • The Line Thickness setting in Plot Options now also controls the thickness of the plot symbol in the legend for variables represented by a fill pattern.
  • Added a command to the Help menu that opens the PDF manual.
  • Modified the Sort Dialog to allow for longer column titles.
  • Modified the text editor used for Posted Note, Library, Edit Text, etc. so that it can be resized.

System Requirements

Ready To Upgrade?

Order through our website and start utilizing the new features in a matter of minutes.

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