Nook: Free EPUB, PDF & Markdown Reader

Quick Answer: Nook is a free document reader for Windows and macOS. Opens EPUB, PDF, Markdown, TXT, RTF, and Novellier project files (.nvl). Customisable themes including dark mode, adjustable fonts and margins, keyboard navigation. No account required, no subscription, works offline. From Novellier.

Last updated: 16 January 2025

Enjoy your book.

Download Nook

No account. No subscription. Just reading.

Nook for Windows

Windows 10 and Windows 11

Version 1.0.0

Features

Free. No subscription, no ads, no account

Opens EPUB, PDF, Markdown, TXT, RTF, and NVL files

Multiple themes including dark, light, and sepia

Customise fonts, font size, margins, and line spacing

Auto-hiding toolbar for distraction-free reading

Full keyboard navigation and shortcuts

Works completely offline. Your files stay private

Lightweight. Under 10MB installed

Supported Formats

EPUB

Full TOC navigation and reading controls

PDF

Zoom and scroll mode controls

Markdown

Rendered with styling

TXT

Plain text with full readability controls

RTF

Rich text format

NVL

Novellier project files. Read manuscripts in chapter order

Nook vs Calibre vs Adobe Reader

How Nook compares to other document readers.

Feature	Calibre	Adobe Reader	Nook
Price	Free	Subscription for features	Free
EPUB support	Full support	Not supported	Full support with TOC
PDF support	Basic viewer	Full support	Zoom and scroll modes
Markdown support			Rendered with styling
Dark mode	Manual theme editing	System only	Built-in themes
Font customisation	Complex setup	Limited	One-click picker
Margin controls	CSS editing required		Narrow / Normal / Wide
Line spacing	CSS editing required		Compact / Normal / Relaxed
Modern UI	Dated interface	Cluttered toolbars	Clean, minimal
Auto-hiding toolbar			Distraction-free
Keyboard shortcuts	Limited	Standard	Full navigation + themes
Setup required	Library setup needed	Account required	None
Offline support		Some features need internet	Fully offline
Install size	~150MB	~500MB	Under 10MB

FAQ

Is Nook free?

Yes. No subscriptions, no ads, no account needed. Just download and read.

What file formats does Nook open?

EPUB, PDF, Markdown (.md), plain text (.txt), RTF, and Novellier project files (.nvl).

What platforms does Nook support?

Windows 10/11 and macOS (Apple Silicon and Intel). Works completely offline.

How is Nook different from Calibre?

Nook focuses on reading. No library management, no complex setup, no learning curve. Open a file and read.

How is Nook different from Adobe Reader?

Nook is free with no account required. It supports more formats (EPUB, Markdown, not just PDF), has proper dark mode, and lets you customise fonts, margins, and line spacing.

Can I customise the reading experience?

Yes. Multiple themes including dark, light, and sepia. Adjustable font family, font size, line height, and margins. Preferences save automatically.

Do I need Novellier to use Nook?

No. Nook is standalone. It can open Novellier project files (.nvl) for reading, but Novellier is not required.

Does Nook collect data?

No. Nook works entirely offline. Documents stay on your device. No accounts, no cloud, no tracking.

What is an NVL file?

NVL is the project file format used by Novellier. Nook can open and read NVL files, displaying chapters in reading order.

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Writing software for novelists