SumatraPDF
The lightest PDF reader for Windows
PDF & Note-TakingGPL-3.0Windows
About SumatraPDF
SumatraPDF opens PDF, EPUB, MOBI, CBZ and DjVu instantly from a tiny, portable executable. Starts in milliseconds — the anti-Adobe Reader.
SumatraPDF is completely free and open source (GPL-3.0) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.
Free alternative to: Paid PDF readers
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