Daniel’s XL Toolbox is a free, open-source add-in for the Microsoft® Excel® spreadsheet software that helps you to analyze and present data and increases your productivity. Its target audience are life scientists, but it has proven useful for industry as well. The XL Toolbox is released under the GNU General Public license (GPL v2).

Analyze data

Analyze data

Collect data using the formula builder and transpose wizard; analyze your data by one-way or two-way ANOVA, linear regression or correlation; generate histograms from multiple columns; use the Toolbox to stratify your data and allocate subjects to study groups.

Visualize and present data

Present data

Use the XL Toolbox to add custom error bars, apply chart designs with few clicks, add series, watermarks or annotations and do much more with your charts. When you are ready to publish your work, use the chart export feature to produce ready-to-submit TIFF files.

Be productive

Be productive

The XL Toolbox enhances your workflow with keyboard shortcuts, automatic backups, worksheet management and much more.

Get involved

Get help & get involved

Ask questions in the forum, subscribe to the Facebook, Google+, and Twitter feeds, or read the developer’s blog. You are very welcome to contribute a translation.


View citations of the XL Toolbox.


If you like the XL Toolbox, please consider making a voluntary payment to help me keeping this add-in up to date. Read more.

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Developer blog

Recent posts:

Alpha 7: Working batch export and new screenshot-quality exporter

On payment options

Alpha 6: Fixes for installer and DLL woes

.NET & VSTO add-ins: Getting the prerequisites right

Alpha 5: Fixing installer issues

Read all

System requirements

Daniel’s XL Toolbox is compatible with Microsoft® Excel® 2000-2013 and Windows® XP through Windows® 8 (both 32-bit and 64-bit).

The Toolbox is not compatible with Excel on Linux Wine and Excel for Mac.

The addin installs into the personal user folder and does not require administrator rights to install.

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