Compare the Top Defrag Software in Australia as of February 2026

What is Defrag Software in Australia?

Defrag software optimizes the arrangement of files on a hard disk drive (HDD) to improve read and write speeds. By reorganizing fragmented data into contiguous blocks, it reduces seek time and enhances overall system performance. Many modern defrag tools also include scheduling, SSD optimization modes, and disk health monitoring. While SSDs don’t require traditional defragmentation, defrag software can still perform trimming and optimization tasks for them. These tools are especially valuable for extending the life of HDDs, speeding up boot times, and improving file access efficiency. Compare and read user reviews of the best Defrag software in Australia currently available using the table below. This list is updated regularly.

  • 1
    Diskeeper

    Diskeeper

    Condusiv Technologies

    Diskeeper® is the #1 utility for keeping Windows servers and PCs running faster than new. Trusted by millions, Diskeeper prevents fragmentation & caches hot reads from idle, available DRAM for blazing performance! Everyone knows the frustration of a Windows system becoming progressively slower the longer it is used and burdened with more software and data. Condusiv’s Diskeeper with DRAM caching guarantees to fix worst performing physical servers or PCs with faster than new performance. Instead of "defragging," Diskeeper 18's patented engine ensures large, clean contiguous writes from Windows in real-time so fragmentation is no longer an issue for HDDs or SSDs. This eliminates the "death by a thousand cuts" scenario of small, tiny writes and reads that rob SSD and HDD performance. Diskeeper 18 electrifies Windows system performance to operate faster than new with the addition of dynamic memory caching - using idle, available DRAM to serve hot reads.
    Starting Price: $49.95/perpetual license
  • 2
    SQL Defrag Manager

    SQL Defrag Manager

    IDERA, an Idera, Inc. company

    Automatically find and fix database index fragmentation. Database administrators for SQL Server need to maintain the high availability and performance of their databases. Key areas that dramatically affect the performance of SQL Server are indexes that are fragmented and out of cluster. SQL Defrag Manager is a unique solution for defragmenting indexes for SQL Server. It automates the time-consuming process of finding fragmented indexes based on policies for the targeted databases.
    Starting Price: $1,196 per instance
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