It looks like you're offline.
Open Library logo
additional options menu
Last edited by Tom Morris
February 3, 2023 | History

Open Library Data Dumps

Open Library provides dumps of all its data, generated every month. All of the dumps are formatted as tab separated files with the following columns:


For past dumps, see:

Format of JSON records

A JSON schema for the various types is located at

Using Open Library Data Dumps

Please see this great guide by contributor on the LibrariesHacked github about how to load Open Library's data dumps into postgres to make it more useful and queriable:


DiFronzo on github has produced a graphql proxy to search books using work, edition and ISBN with Open Library API. Deployed with Deno and GraphQL:

OL Covers Dump

We do not yet have rolling monthly dumps of our book covers, despite a shared desire for its existence. Some historical cover dumps may be explored here:


February 3, 2023 Edited by Tom Morris Update sizes for dumps of main entities
November 17, 2021 Edited by raybb update file sizes
September 30, 2021 Edited by Mek Edited without comment.
August 17, 2021 Edited by Drini Add ratings/reading log dumps
December 14, 2011 Created by Anand Chitipothu Documented Open Library Data Dumps