AllDup is a freeware tool for searching and removing file duplicates on your Windows computer. The fast search algorithm find duplicates of any file type, e.g., text, pictures, music or movies.

Download the free AllDup software. Easily remove duplicate files from your PC. Get the full Installer file for new installations or the small Update file for existing versions.

Access the official AllDup Manual. Learn how to effectively find and delete duplicate files, similar pictures, music, and hard links. Detailed guides on search methods, filters, and options.

Need to free up space for a better PC performance? AllDup is here and it’s at no cost to you at all to use it for your benefit. This freeware tool works well with Windows operating systems and …

Explore the complete AllDup version history, clearly documented with new features, improvements, and bug fixes. See the latest update (July 14, 2025) for new selection …

Explore AllSync Business, Professional, and Home Editions, plus AllDup. Get the professional solution for data synchronization, backup, imaging, and archiving under Windows.

Access the complete AllSync 4 Manual. Find detailed guides on installation, licensing, features, system requirements, Profiles, QuickSync, Scheduler, and advanced command line tools.

Scan and compare multiple file types with AllDup. With AllDup Duplicate Finder you can easily and quickly search your computer for duplicate files of all types.

Laden Sie AllDup kostenlos herunter und befreien Sie Ihre Windows-Festplatten von unnötigen doppelten Dateien. Verfügbar als Installations- und Updatedatei. Jetzt Platz sparen!

AllDup offers you a professional duplicate file management that uses state-of-the-art file content analysis technology to show you exactly where your duplicate files are.