Free & Open Source · Windows · macOS · Android

Rediscover the Joy of「 Focus Reading 」

Focusing on one meaningful unit at a time, unified typography, keyboard-first navigation, and zero distractions.

Torto Shelf View
Torto Reader View
Cross Platform

One reading model across desktop and mobile

Pure native applications with zero browser bloat, syncing directly through your private cloud.

Desktop · v0.4.1

Windows & macOS

The full Focus Mode experience, Typst-inspired typography, full-keyboard navigation, context-bound AI companion, scanned PDF reflow and multi-format support.

Mobile · v0.1

Android 7.0+

Native lightweight reading with multi-format import, elegant typography, table-of-contents navigation, progress restoration and desktop-compatible cloud sync.

Carefully Crafted · Reading Studio

Built for Discerning Readers

Every feature is purposefully designed to foster a calm, serene, and deeply focused reading atmosphere.

01Immersive · Focus Reading ModeOne meaningful passage at a time with steady eye focus
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Semantic Unit Flow

Advances smoothly paragraph by paragraph so your mind stays in flow.

⚓

Centered Baseline Anchor

The active paragraph stays centered in your comfortable line of sight.

✂

Sentence Splitting (Key 3)

Split long dense paragraphs into clear sentences for effortless close reading.

✎

Inline Notes & Highlights

Select text freely and attach notes that remain permanently tied to the exact passage.

✦

Folded Footnotes (Key Alt)

Footnotes collapse into neat badge icons that expand instantly on demand.

⌨

Auto-Hidden Cursor (Ctrl+H)

The cursor fades away automatically in Focus Mode for zero visual distraction.

02Pure · Typst-Inspired TypographyClean, elegant, publication-grade reading layouts
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Native Lightweight Engine

Free of heavy web wrappers. Starts instantly, runs light, and scrolls with butter-smooth fluidity.

Typst-Inspired Linebreaking

Advanced CJK punctuation hanging and compression rules for book-like layout quality.

▤

Authored Style Fidelity

Preserves author signatures, centered quotes, and artistic book layouts faithfully.

Aa

Unified Typography

Normalize font sizes, line heights, and margins with one click, or toggle back anytime.

◫

Three Classic Views

Choose between single-column, two-column spread, or continuous vertical scroll.

▦

Markdown Table Export

Copy complex book tables directly as standard Markdown for your personal notes.

03Grounded · AI Reading CompanionAttached strictly to active context with exact citations
💬

Unit-Bound Chat (Key Tab)

AI discussions strictly attach to the active passage without confusing context.

🔗

Exact Source Citations

Key insights include clickable paragraph citations jumping directly to the source text.

∑

Formulas & Charts Rendering

Native rendering for math formulas, tables, and zoomable diagrams.

🔍

Instant Full-Text Search

Quickly find any passage across the book with matching excerpts and 1-click navigation.

🪄

Slash Commands & Polishing

Quick actions for chapter summaries, concept extraction, and live text polishing.

🌐

Bilingual Book Translation

Read foreign classics with parallel bilingual view or full replacement translation.

04Open · Local-First LibraryPrivate data, wide format support, and direct WebDAV sync
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All Major Ebook Formats

Read DRM-free EPUB, MOBI, AZW/AZW3, FB2, CBZ comics, CHM docs, and PDF.

⌨

All-Keyboard Shelf Navigation

Browse book covers and start reading entirely with arrow keys and Enter.

📄

Scanned PDF OCR & Reflow

Recognize scanned PDFs into reflowable text with adjustable fonts.

☁

Direct WebDAV Cloud Sync

Sync books, progress, and notes between desktop and mobile with zero third-party relay.

🔒

Privacy & Security First

Credentials stay in your OS secure vault. Books are never uploaded without consent.

🖼

Image Zoom & Copy

Click illustrations for overlay zoom, panning, and quick clipboard copying.