Defraggler

Rearranges fragmented files to improve hard drive speed, merges free space to prevent more fragmentation, supports scheduled and portable operation, includes single-file and folder defrag, offers tools for Prefetch, paging, and TRIM system optimization.

Smart Defrag is a Reliable and Intelligent Disk Defragmenter with Ultra-fast, Stable, Efficient Defrag Engine.

O&O Defrag packs file fragments quickly and securely back together to optimize your hard disk under Windows. You can now see what the program does for your system thanks to graphics and statistics, which give you a before-and-after Defrag contrast.

Quickly scans drives or folders for large files, integrates disk defragmentation, offers a review of scan results, drag-and-drop file selection, and single-click deletion to manage space, improve disk performance, lifespan, and streamline organization.