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Available on winget

Install Smart Defrag

Fast & Deep Defrag to Optimize Hard Drive & PC Performance

Install with winget
winget install --id IObit.SmartDefrag
Upgrade
winget upgrade --id IObit.SmartDefrag
Uninstall
winget uninstall --id IObit.SmartDefrag

About Smart Defrag

IObit Smart Defrag is a powerful defragmentation tool designed to optimize your Windows PC's performance. It reduces file fragmentation, speeds up data access, and enhances overall system efficiency. With features like Boot Time Defrag, SSD Trim, and Game Optimization, Smart Defrag ensures faster startup times, improved gaming performance, and extended disk lifespan. The user-friendly interface and automatic defragmentation make it an essential tool for maintaining a smooth and efficient PC.

What's new in 11.4.0.508

v11.4 (2026-06-12) - Enhanced the intelligent defrag algorithm to automatically adopt optimal defrag strategies tailored to varied disk media for top-tier performance - Optimized Large File Defrag logic to boost disk read/write efficiency and prolong drive lifespan - Fixed known software bugs

Version history

Version Updated Notes
11.4.0.508 Unknown v11.4 (2026-06-12) - Enhanced the intelligent defrag algorithm to automatically adopt optimal defrag strategies tailored to varied disk media for top-tier performance - Optimized Large File Defrag logic to boost disk rea...