Eclipse Readability Studio | The Eclipse Foundation

About

Readability Studio® is the premier software for readability analysis, and is now free and open source!

Readability Studio simplifies performing readability tests, along with offering explanations of their results. These tests will provide your documents’ reading levels, while also including recommendations for how to improve them. Over sixty of the most popular English, Spanish, and German tests are available to choose from.

Tools for educators

Find the right reading materials for your students

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Tools for military and government

Meet publication guidelines with your forms and instructions

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Tools for healthcare

Ensure that your consent forms and instructions are patient ready

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Tools for publishers

Meet your audiences' reading levels with your publications

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Tools for students

Enforce quality requirements on your essays and research papers

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News

Version 2026 Now Available

June 3, 2026

Readability Studio 2026 is here! Download it now for Windows and Linux. A macOS release is coming soon.