AllDup

6.7easy start · #11 of 38
in Duplicate File Finders

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on Windows.

Visit site Alternatives

AllDup is ranked #11 of 38 in duplicate file finders on The Geeks Club. It runs on Windows. There is a free plan.

AllDup plans and pricing

All plans

AllDup Freeware Free Free for private users and companies · Windows only alldup.de · 30 Sept 2026

Compared on duplicate file finders

Free plan: Yes
Platform coverage: windows
Scan locations: local drives and storage media; network paths and shares; archive files including ZIP, RAR, and 7Z
Match methods: file content; image similarity; sound similarity; filename; file size; modification or creation date; file attributes; hard links; video or sound duration
File preview: Yes
Automatic selection: Yes
Recycle Bin / Trash: Yes
Folder exclusions: Yes

Best AllDup alternatives

See all 12

Duplicate Cleaner 0 of 4 in the starter kit Lesson 17.6 dupeGuru 0 of 4 in the starter kit Lesson 27.1 fclones 0 of 4 in the starter kit Lesson 37.1 Space Wizard 0 of 4 in the starter kit Lesson 47.1 Czkawka 0 of 4 in the starter kit Lesson 57.0 Auslogics Driver Updater 0 of 4 in the starter kit Lesson 66.9

The record

Purpose: AllDup searches for and removes duplicate files by content, file properties, similar images, and music tracks.
Search methods: It can find identical or similar content, images, sound files, names, and video or sound files with similar duration.
Storage scanning: It scans NTFS, FAT, FAT32, and exFAT storage through drive letters or network paths, and can scan ZIP, RAR, and 7Z archives.
File handling: Its file manager can delete, move, or back up found duplicates; the product page also lists shortcuts, hard links, and secure deletion.
Previews and exports: The program previews images, text, sound, and video files, and can export search results to a text file or Excel table.
Portable edition: AllDup is available as an installable version or Portable Edition.
Operating systems: The maker lists Windows 11, 10, 8, and 7 plus Windows Server 2008 R2 through 2025, in 32-bit and 64-bit versions.
Download version: The download page lists version 4.5.72, dated 17.12.2025, with installation and portable downloads.
Download security: The maker says its files are digitally signed and guaranteed free of adware, spyware, and viruses, and provides SHA1 checksums.
Support: AllDup support materials include online documentation, a support forum, and a technical support request form.
Languages: The download page lists 25 interface languages.
Hard-link limits: Hard links require files on the same local NTFS partition; they cannot be created on network drives or in virtual folders referring to external data.
Maker: The maker identifies itself as MTSD and says it was founded in 1999.
Founded: 1999
Price from: Free

Where it ranks on The Geeks Club

Best Duplicate File Finders in 2026#11 of 38

Is AllDup yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote AllDup

Sources

alldup.de/en/alldup/description.php· checked 30 Sept 2026
alldup.de/en/alldup/system-requirements.php· checked 30 Sept 2026
alldup.de/en/alldup/download.php· checked 30 Sept 2026
alldup.de/en/support.php· checked 30 Sept 2026
alldup.de/en/alldup/documentation/search-result/f· checked 30 Sept 2026
alldup.de/en/legal-notice.php· checked 30 Sept 2026