Open source duplicate file checker




















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By Eva Williams 16 days ago, Apps and Software. A duplicate file finder is a great tool that allows you to find and get rid of duplicate files, freeing up space on your hardware on Windows This software has a deep search feature that will help you detect identical files regardless of their names.

Everyone who downloads numerous files on their PC needs such tools for sorting the content and deleting the unnecessary files.

All the software listed in this review are highly functional, user-friendly, popular but still differ in some characteristics. Duplicate files may cause many inconveniences: they take up a lot of space, might provoke unwanted lags, etc. Moreover, you are unlikely to detect all duplicates manually by looking through your folders. So, read this guide and decide on the duplicate file finder for Windows Verdict: dupeGuru is a versatile duplicate finder tool for detecting and deleting identical files that will help you free up space on your hardware and eliminate the unwanted lagging.

Widely regarded as the best image comparison software , dupeGuru uses an innovative comparison algorithm to trace the duplicates even if their names are not the same. Many PC users are afraid of losing their documents while using file finder tools. If you opt for dupeGuru, you can be sure that it is not going to happen to you.

The developers designed this tool with safety as their priority. Moreover, the software will provide you with a detailed report of identical files categorized into groups. Step 3. Previewing allows you to better known the files you are dealing with. If the preview feature is not that useful, you can open and view files with associated apps. You can also sort groups of duplicates by name, type and size.

Step 4. There are multiple selection options available. Click the dropdown list to choose one. Click Delete Selected Files to remove the unwanted copies in the way you prefer. The duplicate file finder freeware is generally not as good as the paid counterpart in terms of capacities and performance, but sometimes they are already useful enough. Some of the apps on our list of the best free duplicate file finder software are freeware.

Some also have paid editions which have more advanced features. There are also a few decent open-source apps. However, they haven't been updated for years. Therefore, they are not included in this list. To find and delete duplicate files easily, efficiently and safely, it's recommended to use Cisdem Duplicate Finder , the best duplicate file finder for Mac and Windows.

Connie has been writing for Mac productivity and utility apps since Each review and solution is based on her practical tests, she is aways energetic and trustworthy in this field. Free Download Buy Now. Connie Wisley June 08, A list of the best free duplicate file finders The best free duplicate photo finder How to use duplicate file finder free software. Pros Totally free to use Easy to use with an intuitive, user-friendly interface Fast scanning Support various file types such as photos and music Multiple removal methods Multiple supported languages Also find duplicate files on external storage devices such as USB flash drive Let you effortlessly restore deleted duplicates thanks to its Rescue Center feature.

Cons Poor preview performance Installer bundled with unwanted apps. Pros Support multiple file types and formats including RAW images Enough useful features and options even in the free version Various options for finding and removing duplicate files Good at finding duplicate and similar images High scan speed Handy keyboard shortcuts Offer useful minor features such as scan results export and folder exclusion.

Cons Not very user friendly to new users Installer comes with components which you may not want. Pros Free to use and open-source Support all popular file types and formats Offer three modes to handle different file types Provide multiple scan types Allow you to scan one or more folders at once Can ignore small files to improve scanning efficiency Enable you to save scan results for later use Let you preview image, audio and videos files Offer multiple ways to remove duplicate files Highly flexible and customizable.

Cons Crash when scanning an entire drive Limitedly useful preview feature No support for Mac Photos app. Pros User-friendly interface Multiple supported file types Can identify duplicates by content Multiple options for scanning, searching, filtering, etc.

Excels at finding duplicate music files. Cons Poor performance when scanning subfolders. Pros Look for duplicates by content or file properties Can find duplicate images, documents, and media files Can also find similar files Pro edition only Allow users to preview files 2 removal options Useful features such as auto-check and renaming files.

Cons No filtering options in the free version Relatively slow scanning. Pros Free to use Find all types of duplicate files Come with a simple and straightforward interface Offer different modes to compare files and identify duplicates Useful preview feature 2 ways to remove duplicates: moving to Trash or delete instantly Highly customizable.

Pros Portable Supports local hard drive, external devices and network folders Supports common file types and formats Can find identical or similar files with adjustable matching levels Can compare files by content or by filename 2 removal options. Cons Limited search filters Relatively low scan speed. Duplicate Files Finder is another solid, if simplistic option.

However, this also limits how effective it can be at finding more vague matches. If you just want to clear up some space, it can do it with just a couple clicks. These are just a few of the options, though. There are roughly 2. These are the ones that we think are most worth your attention of the ones we explored. If you have suggestions for something different, sound off in the comments!



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