Reduxer is the first remix album by English indie rock band Alt-J, released on 28 September 2018 by Infectious Music and the Canvasback Music division of Atlantic Records.

[1][2] It contains remixes of songs from their third studio album, Relaxer, done by various producers and featuring a number of different vocalists, mainly hip-hop artists.

Reduxer received a 66 on aggregator Metacritic, indicating "generally favorable" reviews.

All tracks are written by Gus Unger-Hamilton, Joe Newman, and Thom Sonny Green except where noted.