Smart File Sync v4.0.0

Smart File Sync v4.0.0 Release

High-performance, 100% offline file synchronization engine for Windows with block-level delta transfers.

Key Features

• Block-Level Delta Transfer: 4KB block signature comparison transfers only changed blocks (99.8% transfer savings on large modified files)
• USB Hot-Plug Auto-Detection: Hardware monitoring thread detects external USB flash drives and SSDs
• Real-Time Directory Watcher: Filesystem watchdog detects newly saved/modified files in real time
• 100% Offline and Private: Zero cloud telemetry, zero network requests, strictly local operations
• Atomic Safe Writes: Staging files with MD5 verification prevent corruption during power interruptions
• Headless CLI: Full automation support via python -m smart_sync

Downloads

• SmartFileSync.exe (26.7 MB): Standalone single-file executable for Windows 10/11 (64-bit)
• SmartFileSync-Portable.zip (26.7 MB): Instant-launch portable folder for USB drives