About
Defraggler is a disk defragmenter for Windows that allows users to defragment individual files or entire drives. It's developed by Piriform (now part of Avast).
Pricing
Pricing Type
Free
Free tier available
Billing
One-time payment
Last checked: February 22, 2026
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Key Facts
Categories
Platforms
Windows
Company
Piriform
Founded
Founded in 2004
Industry
Technology
Country
Global
Language
English