SumatraPDF

Discover the elegance of simplicity with SumatraPDF, a minimalist PDF reader that prioritizes speed above all else. This open-source application strips away non-essential features to deliver lightning-fast document viewing in a compact package. The entire program exists as one executable file—completely free and requiring zero installation. Whether you're reviewing documents for work or studying electronic books, SumatraPDF provides a distraction-free environment that lets you focus on your content without software getting in the way.