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Last Commit
Mar. 18, 2018
Oct. 15, 2012


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OpenRefine is a 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 with the comfort and privacy of your own computer.


Documentation and Videos

Contributing to the project

Contact us

Licensing and legal issues

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 [email protected]. 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-supported product.

EMERITUS CREATORS (no longer active but honored for bringing OpenRefine to life)

EMERITUS CONTRIBUTORS (no longer active but honored here for their previous contributions)


Latest Releases
OpenRefine v2.8 Release
 Nov. 18 2017
OpenRefine v2.7 Release
 Jun. 17 2017
 Jun. 6 2017
OpenRefine v2.7 Release Candidate 2
 Mar. 2 2017
 Feb. 28 2017