Quick Answer: Nook is a free PDF reader for Windows and macOS. No subscription or account required. Zoom controls, continuous scroll or page modes, dark mode themes, in-document search. Under 10MB install. Works completely offline.
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A lightweight alternative to Adobe Reader. No subscription, no bloat.
No account. No subscription. Just reading.

Windows 10 and Windows 11
Version 1.0.0
Free. No subscription ever
No Adobe account required
Under 10MB install (Adobe is 500MB+)
Built-in dark mode
Works 100% offline
No upsells or upgrade prompts
Clean interface focused on reading
Also reads EPUB, Markdown, and text files
Scale from 50% to 200%. Keyboard shortcuts (+/-).
Continuous scrolling or page-by-page.
Multiple themes. Comfortable reading in any lighting.
Find text within your PDF. Navigate between matches.
Arrow keys, Page Up/Down, Home/End.
Under 10MB. Fast startup, smooth scrolling.
Yes. No subscription required. No ads, no account needed.
Nook is free with no account required. Under 10MB install (Adobe is 500MB+). Built-in dark mode. Works completely offline. No upsells or subscription prompts.
Zoom controls (50% to 200%), continuous scroll or page-by-page modes, search within document, and keyboard navigation.
Yes. Multiple built-in themes including dark mode options.
Yes. Nook works completely offline. PDF files stay on your device.
EPUB, Markdown (.md), plain text (.txt), RTF, and Novellier project files (.nvl).