Most book sites suggest what's popular among people whose shelves overlap yours. Overlap isn't taste. Handpicked reads your whole history instead, including the two-star books and the ones you quit, because what didn't work for you is the sharpest signal you have.
A single CSV file from Goodreads or StoryGraph, containing every book you've rated or shelved. Instructions for both are below.
No account. Your file is read in this browser and never uploaded.