Scrape off excess paint with a plastic scraper or putty knife
Wipe the area with warm soapy water
Apply rubbing alcohol, acetone, or paint remover to a cloth
Test the solvent on a small hidden area first
Rub the paint gently until it softens
Use a razor blade carefully on hard ceramic or porcelain tiles
Avoid using metal tools on delicate tiles
Repeat the process until the paint lifts
Clean the tile with water after removing the paint
Dry the surface with a clean cloth