Secure reader for encrypted .vbook files with Bitcoin token validation
๐ฑ Install VMTBooks Viewer
Get the full app experience with offline reading and faster performance!
๏ฟฝ๏ธ
Secure Reading Required
For your security and privacy, .vbook files containing Bitcoin
tokens can only be read using our secure client-side app.
Files are never uploaded to servers - they remain
on your device at all times.
๐ฑ
Install PWA (Recommended)
Get the full app experience with offline reading and automatic
updates.
โ Install like native app: Install as a native app on any
device. Works offline and provides a seamless reading
experience.
โ Automatic updates
โ Desktop shortcuts
โ No installation needed
โ Same security level
โ Client-side processing
โ Zero server dependency
๐ฑ How To Install App
๐ Need help installing? Find Your Browser With Detailed
Instructions Below
๐
Use Web Version
Access the secure reader directly in your browser without
installation.
Bitcoin Security: Your .vbook files contain
valuable Bitcoin tokens that should never be uploaded to servers
Complete Privacy: Files are processed entirely
in your browser and never leave your device
Zero Risk: No server storage means no
possibility of data breaches or unauthorized access
User Control: You maintain complete control
over your files and tokens at all times
๐ What is VMTBooks Viewer?
VMTBooks Viewer is a secure, client-side application for reading
encrypted .vbook files that contain embedded Bitcoin tokens. Unlike
traditional e-readers, this system prioritizes security and user
privacy by processing everything locally on your device.
๐ก๏ธ
100% Client-Side Processing
Your .vbook files are decrypted and read entirely in your
browser. Nothing is ever uploaded to our servers.
โฟ
Bitcoin Token Validation
Built-in support for books containing Bitcoin tokens. Verify and
access your crypto assets securely.
๐ฑ
Progressive Web App
๐
Universal Compatibility
Works on any modern browser - Windows, Mac, Linux, iOS, Android.
No downloads or installations required for basic use.
๐
Zero Server Risk
Since files never leave your device, there's zero risk of data
breaches, server compromises, or unauthorized access.
โก
Lightning Fast
No upload wait times. Select your file and start reading
immediately with instant decryption.
๐ง How It Works
Step 1. Choose Your Reader
Install the PWA for the full library experience, or use the
web version for quick reading.
Step 2. Select Your .vbook File
Choose your encrypted .vbook file from your device. The file
never leaves your computer.
Step 3. Secure Decryption
Your browser decrypts the file using advanced WebCrypto APIs.
All processing happens locally.
Step 4. Read & Access Tokens
Enjoy your book and access any embedded Bitcoin tokens
securely within the reader.
๐ฑ
Install VMTBooks Viewer
Get the full app experience! Install our secure book reader as a
native-like app on your device.
Opens in new tab - installs directly to client reader
Or follow the manual installation instructions below if you prefer
step-by-step guidance.
๐ง Linux User Quick Start
Chrome/Chromium: Look for install icon in
address bar (easiest) Firefox: Install "PWA for Firefox" addon first,
then use it to install this site Arch Linux:yay -S firefox-pwa
๐ช Windows User Quick Start
Chrome/Edge: Look for install icon (โ) in
address bar - native PWA support! Firefox: Click menu โ "Install this site as an
app" Installed PWAs: Appear in Start Menu and can be
pinned to taskbar
๐ Ready to Install!
Your browser supports one-click installation. Click the button
below to install the app.
๐ Browser Detected
Follow the steps below for your browser.
๐ Installation Steps
1
Look for the Install Icon
In your browser's address bar or menu, look for an install
icon (usually a download arrow, plus sign, or app icon). This
appears when a site can be installed as an app.
2
Click Install or Add to Home Screen
Click the install option. You may see "Install app", "Add to
Home Screen", or "Install VMTBooks Viewer" depending on your
browser.
3
Confirm Installation
A popup will appear asking you to confirm. Click "Install" or
"Add" to complete the installation.
4
Launch Your New App
Once installed, find the app in your applications menu,
desktop, or home screen and launch it like any other app. It
will work even when you're offline!
๐ Browser-Specific Instructions
๐ช Windows (Chrome)
Look for the install icon (โ) in the address bar
Or click menu (โฎ) โ "Install VMTBooks Viewer"
Click "Install" in the popup
App appears in Start Menu and can be pinned to taskbar
๐ช Windows (Edge)
Look for the app icon (โ) in the address bar
Or click menu (โฏ) โ "Apps" โ "Install this site as an app"
Enter app name and click "Install"
Pin to taskbar for easy access
๐ Chrome (Desktop & Mobile)
Look for the install icon (โ) in the address bar
Or click menu (โฎ) โ "Install VMTBooks Viewer"
Click "Install" in the popup
The app will open in its own window
๐ Edge (Desktop & Mobile)
Look for the app icon (+) in the address bar
Or click menu (โฏ) โ "Apps" โ "Install this site as an app"
Enter app name and click "Install"
Pin to taskbar for easy access
๐ง Linux (Firefox with PWA Support)
Note: Firefox on Linux requires the "PWA for
Firefox" addon for full PWA support.
Install "PWA for Firefox" addon from Firefox Add-ons store
Follow the prompt to install the companion native program
Use the addon to install this site as a PWA
App will appear with its own icon and standalone window
Snap Firefox users: May need non-Snap Firefox
version for best compatibility.
๐ง Linux (Chrome/Chromium)
Look for the install icon (โ) in the address bar
Or click menu (โฎ) โ "Install VMTBooks Viewer"
Click "Install" in the popup dialog
App will be added to your applications menu
๐ฆ Firefox (Desktop)
Click menu (โฐ) โ "Install this site as an app"
Or look for the install icon in address bar
Choose installation location
App will appear in your applications
๐ Safari (iOS)
Tap the Share button (โกโ)
Scroll down and tap "Add to Home Screen"
Edit the name if desired
Tap "Add" to confirm
๐ค Android Browser
Tap menu (โฎ) and select "Add to Home screen"
Or look for the install banner at the bottom
Tap "Add" or "Install"
App icon will appear on home screen
๐ Safari (macOS)
Unfortunately, Safari doesn't support PWA installation
Bookmark this page for quick access
Or use Chrome/Firefox for full app experience
Consider switching to a PWA-compatible browser
๐ง Linux Users - Special Instructions
๐ง Firefox PWA Setup for Linux
Linux Firefox users need additional setup for full PWA support.
Follow the steps below for the best experience.
๐ฆ Method 1: PWA for Firefox Addon (Recommended)
Install the Addon:
Go to about:addons or Firefox menu โ "Add-ons
and themes"
Search for "PWA for Firefox" and install it
Install Companion App:
The addon will guide you to install a native companion
program
This enables standalone PWA functionality
Install This PWA:
Use the addon to install this site as a PWA
App gets its own icon and standalone window
โ ๏ธ Firefox Version Compatibility:
โข Snap Firefox: May have limitations due to
containerization
โข Flatpak Firefox: Check addon docs for
workarounds
โข Native Package: Best compatibility
(recommended)
๐๏ธ Method 2: Arch Linux AUR Package
yay -S firefox-pwa
For Arch Linux users: Install directly from AUR for seamless PWA
support.
๐ Method 3: Chrome/Chromium (Easiest)
Install via package manager or download from Google
Navigate to this site
Look for install icon in address bar
Click "Install" - works natively without addons
โ Recommended for simplicity: Chrome/Chromium
provides the best out-of-box PWA experience on Linux.
๐ก Linux PWA Tips:
โข PWAs installed via browser appear in your applications menu
โข They run in standalone mode (no browser UI)
โข Desktop files are created automatically for easy launching
โข Apps work offline and update automatically
๐ง Troubleshooting
Don't see an install option?
โข Make sure you're using HTTPS (secure connection)
โข Try refreshing the page
โข Check if your browser supports PWAs
โข Look for install prompts or banners
Installation failed?
โข Clear browser cache and try again
โข Make sure you have storage space available
โข Try using a different browser
โข Contact support if issues persist
๐ก Need Help?
Most documentation includes video examples to guide you through the
process. If you need additional assistance or have questions: