---
source_url: "https://www.folioreader.app/?utm_source=openai"
title: "FolioReader — Read, Annotate, Sync"
mirrored_at: 2026-08-13T13:09:02.619Z
host: www.folioreader.app
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.folioreader.app/index__q__utm_source_openai"
---

> **Original source:** https://www.folioreader.app/?utm_source=openai

✦ Free cross-device sync, always

## Your PDF library,  
redefined.

Annotate, bookmark, search, and sync your PDFs across every device. No lock-in. No subscription required to get started.

FolioReader Search documents... \+ Upload MY LIBRARY PDF Deep Work Cal Newport · p. 47 PDF Thinking, Fast and Slow Kahneman · p. 112 PDF Atomic Habits James Clear · p. 23 PDF The Pragmatic Programmer Hunt & Thomas · p. 5 PDF Clean Code Robert C. Martin · p. 88 TAGS work research books Chapter 4: The Rules of Focus 47 / 230 ANNOTATIONS p. 47 · Highlight Added 2 hours ago p. 47 · Highlight Added yesterday p. 23 · Note Added 3 days ago p. 12 · Highlight Added last week Export annotations

✏️

Rich Annotations

Highlight, underline, strikethrough, and draw freehand. All annotations sync across your devices in real time.

🔍

Full-Text Search

Search inside any document instantly. Results show the surrounding context so you find exactly what you need.

📑

Table of Contents

Navigate long documents in seconds. Jump to any chapter directly from the side panel.

🔖

Bookmarks & Notes

Mark pages, write per-document notes, and pick up exactly where you left off — on any device.

🏷️

Tags & Labels

Organise your library with coloured tags. Filter by tag to find related documents instantly.

☁️

Cross-Device Sync

Reading progress, annotations, and bookmarks sync automatically. Switch devices without losing your place.

Platforms

## Read anywhere.

Web, Android, and iOS. One account, every device.

🌐 Web Browser

🤖 Android

🍎 iOS

💻 Tablet

Free

€0

Forever free. No credit card required.

-   ✓ Up to 10 documents
-   ✓ 200 MB storage
-   ✓ Cross-device sync
-   ✓ Annotations & highlights
-   ✓ Bookmarks & notes
-   ✓ Tags & full-text search
-   – Priority support

[Get started free](https://app.folioreader.app/)

Most popular

Pro

€39/year

€3.25 per month, billed annually.

-   ✓ Unlimited documents
-   ✓ 10 GB storage
-   ✓ Cross-device sync
-   ✓ Annotations & highlights
-   ✓ Bookmarks & notes
-   ✓ Tags & full-text search
-   ✓ Priority support

[Get started with Pro →](https://app.folioreader.app/)