To remove paint from window glass, start by heating 1 cup of white vinegar in the microwave for 30-60 seconds. Next, dip a clean rag into the warm vinegar and saturate the paint with the solution. Don’t worry if the paint doesn’t come off yet!Click to see full answer. Besides, how do you get dried paint off windows?Hold the razor blade at a 45 degree angle, and carefully and gently scrape the paint away. Make sure the glass is wet while you are scraping with the razor blade, otherwise you may scratch the glass. Alternatively, you can spray your razor blade with glass cleaner and then scrape away the paint.Similarly, how do you remove paint from glass without a razor? Instructions Boil 3 tablespoons of white vinegar with 3 tablespoons of water. Dip the rag in the hot vinegar and water mixture, being very careful not to burn yourself. Rub the rag on the painted glass, slowly at first as the heat loosens up the paint and then scrub a bit harder once the paint starts to come up. Similarly, it is asked, how do you get paint off of glass? Consider purchasing Masking Liquid H20 and applying the liquid to the glass. Don’t panic, it will dry clear! Then paint the wall around the window. If any paint gets on the glass, you will be able to peel the paint off once it dries because of the liquid.Can you use paint thinner on glass?Celullose thinners will not harm glass though will harm window rubbers, wipers, paintwork etc. As said above T-Cut will do the job beautifully, it actually clean glass very well without abraiding it, wash it of with water and wipe over with vinegar and your screen will be as good as new.