Host TreeKeep directly on GitHub Pages and sync notes to your private GitHub repository:
Requires 'repo' scope to sync notes to your private repository.
Import CherryTree Notes
Directly load existing CherryTree notes (.ctb or .ctd) into TreeKeep:
Google Drive Auto-Backup & Security
AES-256 E2EE Ready
Not Signed In
Sign in with Google to enable automatic cloud backup.
End-to-End Encryption (E2EE)
CyberNote uses drive.file scope (sandbox access only).
Optionally encrypt your notes with AES-256-GCM before uploading to Google Drive so that not even Google can read your data.
This password never leaves your browser. You will need it to decrypt notes on another device.
Sync Notes with Google Drive
Google Drive
This Device0 note(s)
⇄
Google Drive0 note(s)
Notes were found on both this device and your Google Drive. Choose how you would like to synchronize them:
CyberNoteApp
Offline Cloud Notes
Install CyberNote to your phone for 100% offline access, full-screen editing, and instant notes!
Or tap browser menu (⋮) → "Install app"
How to install on iPhone / iPad:
1Tap the Safari Share button (at the bottom)
2Scroll down and tap "Add to Home Screen"➕
CyberNote
v2.5.0 Modern Edition
Advanced Hierarchical Tree Notes with AES-256 E2EE & Instant Google Drive Delta Sync
CREATOR & MAINTAINER
Prekarsha
Developer of CyberNote
Support the Project: If you find CyberNote helpful, please follow me on GitHub and leave a star ⭐!
Sign in with your Google account to enable automatic delta-sync on every edit, keep your notes safe in Google Drive, and access your 15 GB quota across devices.
Local Notebook Footprint0.0 KB
Connection Status: Online
All edits are instantly saved locally and queued for cloud sync.
Seamless Offline Experience
CyberNote keeps a persistent high-performance cache in your browser LocalStorage and SQLite database.
When you lose internet connection, you can continue typing, creating notes, drawing diagrams, and reorganizing branches with zero interruptions.
The moment your internet reconnects, all pending changes auto-sync to Google Drive and the server.
Ultra-Lightweight Storage Architecture
To protect your 15 GB Google Drive quota, CyberNote compresses uploaded screenshots and canvas drawings into optimized lightweight formats and minifies note metadata so your entire notebook consumes under 0.001% of your storage.
Import CherryTree Database (.ctb / .ctd)
Import SQLite databases or XML CherryTree files preserving full hierarchy.
Export Notes (JSON / HTML / MD)
Download your entire notebook or current branch as a standalone package.
Hierarchy Tree & Node Statistics
View total word counts, node depths, storage bytes, and branch counts.
Sync notes to a private GitHub repository for developer-grade revision history and automated deployment.
End-to-End Encryption (AES-256-GCM)
Optionally encrypt notes with AES-256-GCM with PBKDF2 before uploading to Google Drive so not even Google or anyone in the cloud can decipher your knowledge.
Passphrase is never stored remotely.
Bug Report & Feature Requests
Found a bug, visual glitch, or have an idea to improve CyberNote? Open a GitHub issue directly on the official repository.
Official repository tracker at github.com/Prekarshamaxx123/CyberNote/issues. Locked and non-editable.
Official CyberNote Mirror Sites
Alternative official mirror endpoints for continuous, high-availability access. If one link is slow or blocked on your network, use any mirror below. All mirrors share Google Drive cloud sync.
GitHub Pages (Official Web)Primary Edge CDN
Fast global Edge CDN, 100% offline-ready PWA, automated git releases.
Connecting to Google Drive and synchronizing notes...
Step 1 of 3: Establishing connection
New Note
New Folder
Add Sub-Note
Add Sub-Folder
Pin to Top
Rename
Change Color
Change Icon
Duplicate
Read Only
Note Lock (Password)
Expand All
Collapse All
Delete Note
Auto Style (Smart Align)
Auto Style (Command Badges)
Auto Style (Convert to Table)
Auto Style (Terminal CodeBox)
CutCtrl+X
CopyCtrl+C
PasteCtrl+V
Select AllCtrl+A
⭐
Welcome to CyberNote! 🛡️
Your notes are 100% offline-ready and auto-sync to Google Drive. Check Settings for E2EE master passwords and GitHub version control.
If you love CyberNote, please give it a star on GitHub!