Skip to main content

OpenRefine for Wikimedia Commons: the basics


About This Course

Learn to upload and edit files on Wikimedia Commons with OpenRefine. This is a self-paced course with computer-graded exercises, which you can follow at your own pace.


In order to be able to follow this course, you already need to be somewhat familiar with:

  1. Data manipulation and data cleaning with OpenRefine
  2. Basics of Wikidata and Wikimedia Commons
  3. Using OpenRefine for Wikidata editing

Frequently Asked Questions

For who is this course?

This course is suitable for Wikimedians and their partners (e.g. staff of cultural institutions). Anyone with a Wikimedia account can enroll. As mentioned above, you already need some basic familiarity with OpenRefine, Wikidata and Wikimedia Commons.

Can I follow this course on a mobile phone or a tablet?

WikiLearn is not optimized for mobile phones and tablets. Furthermore, OpenRefine only works on desktop or laptop computers. So it makes most sense to also follow this course on a desktop or laptop computer, especially when practicing OpenRefine.

What web browser should I use?

WikiLearn uses the Open edX platform. This works best with current versions of Chrome, Edge, Firefox, Internet Explorer, or Safari.

See edX's list of supported browsers for the most up-to-date information.

This course is self-paced and without instructor/teacher. Can I ask for help somewhere while and after following this course?

Yes, you can! You can ask questions on OpenRefine's community forum and you can contact other Wikimedia users via a dedicated Telegram group. During this WikiLearn course, you will regularly see pointers and links to these places.