Shoga Viewer

Tracking since Apr 24, 2026.

Changelog

• May 7, 2026
  description

  OVERVIEW
  Shoga Viewer is a fast, easy-to-use image and manga viewer optimized for ChromeOS tablets and laptops. Read your favorite manga and comics directly from your local folders—no internet connection or cloud uploads required.
  
  KEY FEATURES
  - Perfect for Manga: Read in Single or Dual-page (Spread) modes. Supports Right-to-Left reading and automatically fits images to your screen.
  - Smart Image Enhancement: Built-in tools automatically sharpen low-resolution pages as you read. Choose the right mode for your content:
      * Bilinear: Standard, lightweight smoothing for general use.
      * Adptive Shoga+: Shoga Viewer's proprietary lightweight algorithm, suitable for all types of images and optimized for low-end ChromeOS devices.
      * Anime4K: Best for colored illustrations and anime-style art.
      * xBRZ: Best for retro graphics and pixel art.
      * FSR Shoga+: Best for highly detailed manga and realistic photos.
  - Private & Secure: Opens files directly from your device storage. Your images never leave your computer.
  - Intuitive Controls: Swipe to turn pages, pinch to zoom, and tap to navigate—just like a native tablet app.
  - Pick Up Where You Left Off: Automatically tracks your recent folders and lets you bookmark your exact page for later.
  
  HOW TO USE
  1. Load Images: Click "Select Directory" to open a folder of images from your device.
  2. Turn Pages: Swipe the screen, use keyboard arrows, or tap the left/right edges of the screen.
  3. Customize: Open the settings panel to change the reading layout, zoom level, or upscaling mode.
  4. Save Progress: Use the Bookmarks panel to save your current page and quickly return to it later.
  
  SYSTEM REQUIREMENTS
  - Minimum: 4GB RAM
  - Recommended: 8GB+ RAM
  - Optional (for X4 mode activation): 16GB+ RAM

  OVERVIEW
  Shoga Viewer is a fast, easy-to-use media and manga viewer optimized for ChromeOS tablets and laptops. Read your favorite manga, watch videos, and stream from your personal Jellyfin server directly within a fluid, local-first experience.
  
  KEY FEATURES
  - Local & Server Streaming: Open files directly from your device storage, or connect to your personal Jellyfin server to access your media library on the go.
  - Video Playback & Optimization: Smoothly play video files (MP4, WebM, MKV, AVI, etc.). Includes a built-in, on-device transcoder to automatically convert unsupported codecs for seamless playback without needing external software.
  - Perfect for Manga: Read in Single or Dual-page (Spread) modes. Supports Right-to-Left reading and automatically fits images to your screen.
  - Smart Image Enhancement: Built-in tools automatically sharpen low-resolution pages as you read. Choose the right mode for your content:
      * Bilinear: Standard, lightweight smoothing for general use.
      * Adaptive Shoga+: Shoga Viewer's proprietary lightweight algorithm, suitable for all types of images and optimized for low-end ChromeOS devices.
      * Anime4K: Best for colored illustrations and anime-style art.
      * xBRZ: Best for retro graphics and pixel art.
      * FSR Shoga+: Best for highly detailed manga and realistic photos.
  - Private & Secure: All rendering and video transcoding are performed entirely on your device. The app relies on your browser's native password manager for Jellyfin, ensuring your credentials are never stored within the extension itself.
  - Intuitive Controls: Swipe to turn pages, pinch to zoom, and tap to navigate—just like a native tablet app.
  - Pick Up Where You Left Off: Automatically tracks your recent folders and lets you bookmark your exact page for later.
  
  HOW TO USE
  1. Load Media: Click "Select Directory" to open a local folder, or select "Connect to Jellyfin" to log into your personal media server.
  2. Navigate: Swipe the screen, use keyboard arrows, or tap the left/right edges of the screen.
  3. Customize: Open the settings panel to change the reading layout, zoom level, or upscaling mode.
  4. Save Progress: Use the Bookmarks panel to save your current page and quickly return to it later.
  
  SYSTEM REQUIREMENTS
  - Minimum: 4GB RAM
  - Recommended: 8GB+ RAM
  - Optional (for X4 mode activation): 16GB+ RAM

• May 7, 2026
  short_description

  A high-performance image viewer optimized for ChromeOS tablets and laptops, providing a fluid, local-first experience.

  A high-performance media viewer optimized for ChromeOS tablets and laptops, providing a fluid, local-first experience.

• May 7, 2026
  permissions

  storage, contextMenus

  contextMenus

• May 1, 2026
  description

  SHOGA VIEWER: HIGH-PERFORMANCE IMAGE EXPERIENCE FOR CHROMEOS
  
  OVERVIEW
  Shoga Viewer is a high-performance image viewer specifically optimized for ChromeOS-powered tablets and laptops. It provides a fluid, distraction-free environment, leveraging modern browser capabilities to deliver a local-first experience with uncompromising speed on ChromeOS devices.
  
  KEY ATTRIBUTES
  - FileSystem Integration: Direct access to local directories via the FileSystem Access API, ensuring privacy and eliminating the need for file uploads.
  - Hardware Acceleration: Efficient thumbnail generation and hardware-accelerated image decoding for near-zero latency, even with thousands of assets.
  - Adaptive Layouts: Seamless switching between Single and Spread (dual-page) modes, with support for LTR/RTL reading directions and multiple viewport fit options.
  - Fluid Interaction: Precision-tuned touch and mouse gestures for zooming, panning, and navigation, optimized for ChromeOS tablet and laptop workflows.
  - Session Persistence: Automatic tracking of recent sessions and specific reading points (bookmarks) using IndexedDB.
  
  USAGE GUIDE
  1. Data Input: Select "SELECT DIRECTORY" to grant folder access. The engine will index all image assets within the directory and display them in the grid view.
  2. Navigation: Use the grid view for an overview or enter the viewer by clicking a thumbnail. Swipe, use arrow keys, or tap the screen edges to move between images.
  3. Display Control: Use pinch-to-zoom or mouse wheel for zooming. Double-tap to reset scale. Adjust layouts and fit modes via the settings panel.
  4. Bookmarks: Save your position by clicking "+ ADD" in the Bookmarks panel to capture file index and layout preferences for instantaneous restoration.
  
  SYSTEM REQUIREMENTS
  - Minimum: Snapdragon 7c / Intel Celeron N4020, 4GB RAM, 1280 x 720 display.
  - Recommended: Snapdragon 7c Gen 2 / Intel Core i3, 8GB RAM, 1920 x 1080 display.
  
  LICENSE
  Copyright (c) 2026 D5 Kan. Distributed under the MIT License.

  OVERVIEW
  Shoga Viewer is a fast, easy-to-use image and manga viewer optimized for ChromeOS tablets and laptops. Read your favorite manga and comics directly from your local folders—no internet connection or cloud uploads required.
  
  KEY FEATURES
  - Perfect for Manga: Read in Single or Dual-page (Spread) modes. Supports Right-to-Left reading and automatically fits images to your screen.
  - Smart Image Enhancement: Built-in tools automatically sharpen low-resolution pages as you read. Choose the right mode for your content:
      * Bilinear: Standard, lightweight smoothing for general use.
      * Adptive Shoga+: Shoga Viewer's proprietary lightweight algorithm, suitable for all types of images and optimized for low-end ChromeOS devices.
      * Anime4K: Best for colored illustrations and anime-style art.
      * xBRZ: Best for retro graphics and pixel art.
      * FSR Shoga+: Best for highly detailed manga and realistic photos.
  - Private & Secure: Opens files directly from your device storage. Your images never leave your computer.
  - Intuitive Controls: Swipe to turn pages, pinch to zoom, and tap to navigate—just like a native tablet app.
  - Pick Up Where You Left Off: Automatically tracks your recent folders and lets you bookmark your exact page for later.
  
  HOW TO USE
  1. Load Images: Click "Select Directory" to open a folder of images from your device.
  2. Turn Pages: Swipe the screen, use keyboard arrows, or tap the left/right edges of the screen.
  3. Customize: Open the settings panel to change the reading layout, zoom level, or upscaling mode.
  4. Save Progress: Use the Bookmarks panel to save your current page and quickly return to it later.
  
  SYSTEM REQUIREMENTS
  - Minimum: 4GB RAM
  - Recommended: 8GB+ RAM
  - Optional (for X4 mode activation): 16GB+ RAM

• May 1, 2026
  permissions

  (empty)

  storage, contextMenus

Permissions & access

Permissions

contextMenus

Host access

None declared

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