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OpenRefine is a free, open source power tool for working with messy data and improving it
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Type Name Latest commit message Commit time
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.github Swap to "to be reviewed" label Jun 2, 2020
IDEs/eclipse Cleanup most Eclipse config files Sep 18, 2018
conf Issue 630: Change branding from Google Refine to OpenRefine Oct 18, 2012
docs Bump websocket-extensions from 0.1.3 to 0.1.4 in /docs (#2682) Jun 6, 2020
extensions Bump commons-lang3 from 3.6 to 3.10 (#2648) Jun 3, 2020
graphics Update logo for Feb 9, 2018
licenses Remove JSON license. OpenRefine can now be used for Evil. Nov 30, 2018
main use absolute path (#2679) Jun 6, 2020
packaging Revert "Bump xstream from 1.4.9 to 1.4.12-java7 (#2644)" May 30, 2020
server Bump jetty from 6.1.22 to 6.1.26 Jun 3, 2020
.gitattributes fix the launch4j issue Jul 16, 2018
.gitignore Add .metadata to ignore Eclipse plugins meta Apr 16, 2020
.travis.yml Disable OpenJDK 9, which fails to install on Travis at the moment. Jul 3, 2019 Update Nov 20, 2018
CHANGES.txt Fix some typos in documentation Apr 2, 2019 Rename code of conduct to match GitHub's guidelines Jul 27, 2019 Fix grammer and links Mar 5, 2020 Fix some typos in documentation Apr 2, 2019
LICENSE.txt Update LICENSE.txt Feb 24, 2018 Update with a link to Authors and adding a section for the … May 19, 2020 renaming for Google News Initiative as backer May 10, 2018
appveyor.yml Attempt to fix surefire on Appveyor Aug 28, 2019
pom.xml Save preferences JSON using UTF-8 encoding. Bulletproof prefs load. (#… Jun 6, 2020
refine Support windows_dist & linux_dist for packaging (#2498) Apr 6, 2020
refine.bat support refine-dev.ini for development (#2497) Apr 6, 2020
refine.ini support refine-dev.ini for development (#2497) Apr 6, 2020
settings.xml Windows package with embedded JRE (#2486) Apr 11, 2020 Revert "data package metadata (#1398)" Nov 30, 2018 Revert "data package metadata (#1398)" Nov 30, 2018


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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.


Run from source

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 8 and Apache Maven.

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 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.

See for the list of OpenRefine contributors and for instructions on how to contribute yourself.

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