How to Build Your Own Obsidian Sync
Replace Obsidian Sync with a custom build. End-to-end encrypted cloud sync for your Obsidian vault
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 46 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 46 features
Synchronization(12 features)
Synchronize images, PDFs, and other file attachments embedded in your notes across devices.
Intelligently handles merge conflicts when notes are edited simultaneously on multiple devices.
Set custom synchronization frequency from continuous sync to manual sync on demand.
Synchronize file metadata including timestamps, tags, and custom properties.
Automatically synchronize your vault across desktop, mobile, and tablet devices in real-time.
+7 more in this category
Security(9 features)
Recover your account using recovery codes generated during initial setup.
Unique device identification ensures secure authentication across trusted devices.
View connected devices and remotely revoke access to specific devices from your account.
Securely manage and rotate encryption keys with optional passphrase protection.
All synced data is encrypted client-side before leaving your device, ensuring only you can access your notes.
+4 more in this category
Performance(6 features)
Delta sync technology transfers only changed portions of files to minimize data usage.
Control sync speed and set bandwidth limits to prevent network congestion.
Optional compression of synchronized data to reduce bandwidth and storage requirements.
Automatically optimize sync routes based on device location for faster synchronization.
Automatically detects optimal connection routes for faster synchronization.
+1 more in this category
Analytics(3 features)
Track bandwidth usage and historical trends to optimize your synchronization strategy.
Detailed breakdown of storage usage by folder and file type across all devices.
Detailed metrics on sync speed, latency, and performance trends over time.
Backup(3 features)
Automatically creates local backups before synchronizing changes to prevent accidental data loss.
Restore your entire vault from a specific point in time using comprehensive backups.
Access previous versions of your notes with automatic snapshots saved during synchronization.
Monitoring(3 features)
Detailed logs of all sync activities with timestamps and device information for auditing.
Track detailed changes to individual notes including who changed what and when.
View real-time sync status, pending changes, and synchronization history.
Notifications(2 features)
Customize which sync events trigger notifications to reduce unnecessary alerts.
Receive instant notifications when vault changes are synchronized across your devices.
Account(1 features)
Easy subscription management with flexible billing options and instant plan changes.
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 46 features at very easy complexity.