This is the RefinePro knowledge base about OpenRefine. We build it over the years, and keep adding to it. From great tutorials and how-to, to handy GREL expressions and links to external resources, you will find here one of the most comprehensive list of resources to learn OpenRefine.

For a comprehensive documentation you should refer to the official OpenRefine wiki.

Don't where to get started? Search for a specific function below, or read our most popular article from the right side menu.

6.6.23

OpenRefine May 2023 Review

We wish you a very happy June! This month, we decided to share the most relevant and helpful OpenRefine May 2023 community announcement, videos, and academic publications with you. Read on to discover them.

28.4.23

OpenRefine April 2023 Review

We wish you a very happy May! This month, we decided to share the most relevant and helpful OpenRefine April 2023 release, videos, and academic publications with you. Read on to discover them.


Don't forget to subscribe to our newsletter to get our monthly updates right in your inbox!

31.3.23

OpenRefine March 2023 Review

Happy April to you all! This month, we decided to share the most relevant and helpful OpenRefine March 2023 releases, tutorials, videos, and academic publications with you. Read on to discover them.


Don't forget to subscribe to our newsletter to get our monthly updates right in your inbox!

4.3.23

OpenRefine February 2023 Review

Happy March! This month, we decided to share the most relevant and helpful OpenRefine February 2023 releases, tutorials, videos, and academic publications with you. Read on to discover them.


Don't forget to subscribe to our newsletter to get our monthly updates right in your inbox!

30.1.23

OpenRefine January 2023 Review

Happy FebruaryThis month, we decided to share the most relevant and helpful OpenRefine January 2023 videos and academic publications with you. Read on to discover them.


Don't forget to subscribe to our newsletter to get our monthly updates right in your inbox!

26.1.23

OpenRefine December 2022 Review

Happy January and Happy New Year! This month, we decided to share the most relevant and helpful OpenRefine December 2022 videos and academic publications with you. Read on to discover them.


Don't forget to subscribe to our newsletter to get our monthly updates right in your inbox!