Alternatives to Anti-Twin for all platforms with any license

CCleaner

Cleaner tool for your system - protects your privacy, makes your computer faster and more secure.
- Bundleware - The software tries to install Avast too - Spyware, runs in background and collects information to send to Avast. Background mode can be disabled, but gets re-enabled on each run - Shows pop-up system wide ads from time to time
- This is not alternative to AntiTwin. AntiTwin different size image comparer. if you have image or photo archive. You can check where is the big pixel size (maybe original) image? Guest • Aug 2018 • 3 agrees and 0 disagrees
Freemium Mac Windows Android Android Tablet
Duplicate File Finder Optimal performance Portable Real-time monitoring ... Software Uninstallers Add a feature

2577 Like
BleachBit

BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, cookies, Internet...

Free Open Source Mac Windows Linux Blackberry PortableApps.com
Multiple languages Portable Selective Wipe Add a feature

409 Like
Glary Utilities

Glary Utilities offers numerous powerful and easy-to-use system tools and utilities to fix, speed up, maintain and protect your PC. It provides in 23 languages...
- Bundleware Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Freemium Windows Android
Duplicate File Finder Utilities that Delete Files File Splitting Multiple languages ... Portable Real-time Junk Monitoring File Recovery Registry repairing Software Uninstallers Add a feature

325 Like
dupeGuru

dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching...
- Discontinued Not sure about "discontinued", but this is unmaintained https://github.com/hsoft/dupeguru/issues/484#issuecomment-365817860
Free Open Source Mac Windows Linux
Duplicate File Finder Find duplicated files Local based GUI Support for Hotkeys Add a feature

88 Like
Duplicate Cleaner

Duplicate Cleaner is a tool for finding and removing duplicate files from your computer or network drives; It is intended to be used on user content - documents, photos...

Freemium $ $ $ Windows
Duplicate File Finder Find similar images Add a feature

132 Like
Directory Opus

Directory Opus provides a complete replacement for Explorer with far more power and functionality than any other file manager available today. There are far too many...

Commercial Windows
Batch rename files Dual Pane Support Duplicate File Finder File-sync ... Flat view Integrated Search Add a feature

165 Like
VisiPics

VisiPics does more than just look for identical files, it goes beyond checksums to look for similar pictures and does it all with a simple user interface. First, you...
- Discontinued The program seems to be no longer updated. Last version, 1.31, released in February 2013, can be still downloaded from the official website.
Free Windows
Duplicate File Finder Image Preview Visual analysis Add a feature

90 Like
AntiDupl

AntiDupl.NET can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP and PNG. The comparison is based on the contents of the files, so...

Free Open Source Windows
Duplicate File Finder Image Preview Add a feature

41 Like
FSlint

FSlint is a utility to find and clean various forms of lint on a filesystem. I.E. unwanted or problematic cruft in your files or file names. For example, one form of...

Free Open Source Linux
Duplicate File Finder Add a feature

59 Like
CloneSpy

CloneSpy is a Free Duplicate File CleanUp Tool for Windows. CloneSpy can help you free up hard drive space by detecting and removing duplicate files. Duplicate files...

Free Windows
Duplicate File Finder Portable Add a feature

47 Like
AllDup

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...

Free Windows
Duplicate File Finder Partial name compare Add a feature

27 Like
PrivaZer

PrivaZer is a free tool for cleaning and PC confidentiality, which cleans unnecessary tracks with deep and thorough scanning, it's worth it! PrivaZer also has a...

Free Windows
Duplicate File Finder Portable Software Uninstallers Add a feature

26 Like
Pixiple

Pixiple searches your files for images that are similar in pixel and/or metadata content and presents you with a sorted list of similar image pairs to compare and...

Free Open Source Windows
Duplicate File Finder Portable Image Preview Add a feature

15 Like
MacPaw Gemini 2

Gemini will quickly find and help you remove duplicates from your Mac. Make this routine task easy and fun with Gemini! Why waste your disk space on duplicates and...

Commercial $ $ $ Mac
Drag n drop Duplicate File Finder Apps with Finder Integration Add a feature

20 Like
Duplicate Media Finder

Duplicate Media Finder locates and deletes identical files and similar media (Photos, music, videos) on your PC smartphones (Android, iPhone, ...) or cloud.

Commercial $ $ $ Windows
Duplicate File Finder Duplicate File Finder Add a feature

5 Like