SumatraPDF
Open PDFs, ebooks and comic files quickly in a lightweight Windows reader.
What’s included for free?
Free Windows document reader with no subscription, ads or bundled software. Portable builds are available; this is a reader rather than a full PDF layout editor.
Where it runs: Local install
Provider information ↗Checked 2026-10-09
Before you use it
Repository specifies (A)GPLv3 with some BSD-licensed code. Preserve relevant notices and source obligations when redistributing; documents keep their own rights.
Provider terms can change. Check current pricing and usage rights before starting a project.