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Katalon Recorder Logo

Katalon Recorder is a free, Selenium IDE alternative. It is a lightweight web extension you can use to automate actions and tests from your browser. Currently, we are available on Chrome, Firefox and Edge.


To install Katalon Recorder on your desired browser, visit our website: Katalon Recorder.


For instructions on using Katalon Recorder, visit our documentation website: Full documentation.

Community and support


Adding a new formatter

To add a new formatter, go to panel\index.html, and replace "sample" with the formatter name:

<option value="new-formatter-sample">Sample for new formatters</option>

For sample implementation, see: panel\js\katalon\newformatters\sample.js



We would like to take this opportunity to express our warmest thanks to Katalon Recorder users and other open-source projects, especially:


For details about licenses, refer to the following documents:

Please inform us if you found any unlicensed part of the source code.

Companion products

Katalon TestOps

Katalon TestOps is a web-based application that provides dynamic perspectives and an insightful look at your automation testing data. You can leverage your automation testing data by transforming and visualizing your data; analyzing test results; seamlessly integrating with such tools as Katalon Studio and Jira; maximizing the testing capacity with remote execution.

Katalon Studio

Katalon Studio is a free and complete automation testing solution for Web, Mobile, and API testing with modern methodologies (Data-Driven Testing, TDD/BDD, Page Object Model, etc.) as well as advanced integration (JIRA, qTest, Slack, CI, Katalon TestOps, etc.). Learn more about Katalon Studio features.