FOLIO · DESKTOP READER

Read, organizeand annotate.

Name: Folio
Author: Habom

A PDF and EPUB reader with library management, document annotation and citation export. Built for focused work on your desktop.

Buy Folio Watch the demo

Paid desktop appWindows & macOS
Current pricing and purchase details on Habom Market.

Folio product cover showing the document library on a desktop monitor — Folio · Product overviewProduct listing

FORMATSPDF + EPUB
PLATFORMSWindows 10/11 · macOS 11+
WORKFLOWRead · Annotate · Cite
DESKTOPWorks offline

Core features

From your library to your next citation.

For researchers, students and document readers: read PDFs and EPUBs, annotate key passages, and organize your library.

Organize your library

Bring your PDFs and EPUBs into a library you can browse, search and arrange.

Folder scanning and indexing
Automatic covers and thumbnails
Grid and list views
Tags, collections, title and author search

Read with context

Move through long documents with page controls, search and a table of contents.

PDF single-page and two-page views
Zoom and in-document search
Table of contents navigation
PDF and EPUB support

Annotate and cite

Mark passages, add your thoughts and export citations for your writing.

Five highlight colors and drawing tools
Notes and bookmarks
APA, MLA and Chicago citations
BibTeX export

A closer look at Folio

Product screenshots and presentation images. Select to enlarge.

Edited Folio interface with an original English demo document, two-page reading, highlights, a red rectangle and an original workflow diagram — 01
Read and annotate PDFs
Folio interface with an illustrative demo document. The English text and diagram are original demonstration content; this image has been edited.

Folio product presentation showing the library grid and an open document preview on a monitor — 02
Browse your document library
A library view with document thumbnails and a document preview. From the Folio product presentation.

Folio App Design presentation with library and PDF reader views, plus a summary of interface features — 03
Reading and library interfaces
A product-design overview of the library and reader. The original presentation contains Korean labels.

Everyday reading tools

Set up the way you work.

Desktop reading controls and annotation tools, with a choice of appearance and interface language.

40+ keyboard shortcuts

Offline desktop reading
Read documents on your computer without needing an active connection for the reading workflow.
Light and dark themes
Choose a light or dark interface to suit your workspace and reading preferences.
English and Korean
Use Folio’s interface in English or Korean.
Keyboard-first controls
Use more than 40 shortcuts to move between reading and annotation actions.

For readers who work with documents

Researchers

Read papers, mark key passages and prepare citations.

Students

Organize course documents and keep notes alongside your reading.

Document readers

Manage reports, manuals and eBooks in a personal library.

Product walkthrough

See Folio in use.

Watch the product demonstration to see the reading interface and tools in action.

Open the demo on YouTube

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Watch on YouTube

Product demo on YouTubeOpen on YouTube

Availability

Desktop available. Web in development.

Choose the released desktop product today. The web version is a separate development effort.

Folio Desktop

Available · Paid

The released desktop application is available through Habom Market. Check the listing for current pricing, licensing and purchase details.

Windows 10 / 11macOS 11+

Buy Folio on Habom Market

Check the listing for the latest system requirements.

Folio Web

In development

A browser-based version of Folio is in development and has not yet been released.

A release date and final feature set have not been confirmed.

Desktop technology

The tools behind Folio’s desktop application.

Python 3.11pywebviewPyMuPDFebooklibSQLiteHTML · CSS · JavaScript

About the developer

Habom

Habom is the sole proprietorship behind Folio, led by JungPil Park. We develop Folio and distribute the desktop product through Habom Market.

Operating since November 2025

Business name: Habom
Representative: JungPil Park
Business type: Sole proprietorship
Registration no.: 832-59-00894
Business details: Official company information

Product support

For Folio bugs, technical issues and product questions.

[email protected]

Business inquiries

For company information, partnerships and general business inquiries.