Overview


iDefrag is a disk defragmentation and optimization utility for Mac OS X, featuring both on-line and off-line defragmentation as well as special modes for compacting data and optimizing the metadata zone introduced in Mac OS X 10.3 Panther.

The table below shows the key features of iDefrag:

Key Features
Feature
iDefrag

Supported File Systems
  
HFS (Mac OS Standard)
HFS+ (Mac OS Extended)
HFS+ (Mac OS Journaled)
HFSX (Mac OS Case Sensitive)
Defragmentation
Metadata Defrag/Tidy
Compaction
On-line Defragmentation
Optimization
Full Defrag
Defragment Selected File
User Interface
Per-block Display
Whole Disk Display
File Information
Class-based Data Coloring
Jump to File by Name or ID
Asynchronous Operation
Other
AppleScript Support
Advanced Classification System
Metadata Zone (“Hot Zone”) Support
Adaptive Hot File Clustering Support
Built-in Bug Reporter
Auto-update System
Accelerated Display