OpenRefine is a Java-based power tool that allows you to load data, understand it, clean it up, reconcile it, and augment it with data coming from the web. All from a web browser and the comfort and privacy of your own computer.

Official website: https://openrefine.org

Community forum: https://forum.openrefine.org

• OpenRefine Releases

Latest development version, packaged for:

• Linux
• MacOS
• Windows without embedded JRE
• Windows with embedded JRE

If you have cloned this repository to your computer, you can run OpenRefine with:

• ./refine on Mac OS and Linux
• refine.bat on Windows

This requires JDK 11, Apache Maven and NPM.

• User Manual
• FAQ

• Developers Guide & Architecture
• Contributing Guide
• Project Governance

• Community forum
• Twitter
• Gitter
• Matrix (bridged from Gitter)

OpenRefine is open source software and is licensed under the BSD license located in the LICENSE.txt. See the folder licenses for information on open source libraries that OpenRefine depends on.

This software was created by Metaweb Technologies, Inc. and originally written and conceived by David Huynh. Metaweb Technologies, Inc. was acquired by Google, Inc. in July 2010 and the product was renamed Google Refine. In October 2012, it was renamed OpenRefine as it transitioned to a community-driven project.

Since 2020, OpenRefine is fiscally sponsored by Code for Science and Society (CS&S).

See CONTRIBUTING.md for instructions on how to contribute yourself.