CCleaner Duplicate Finder Review: Should I and How to Use CCleaner?
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What features does CCleaner Duplicate Finder offer? Is it safe to delete duplicate files found by CCleaner? Read this genuine, objective CCleaner Duplicate Finder review to find things you want to know about this duplicate file finder tool.
Cisdem Duplicate Finder
CCleaner Duplicate Finder Not Working? Try This
- Identify duplicate photos, videos, documents, audio files, and all other files
- Detect similar images
- Support Windows PC, Mac, external storage devices, and cloud drives
- Find duplicate files in folders, iTunes, Apple's Music, and Mac's Photos
- Offer 3 modes to view duplicates, with side-by-side image previews
- Automatically select all but one file for removal in each group of duplicates, enabling you to delete all duplicates at once
- Allow you to adjust selections manually, or choose from 8 rules (e.g. Select Newest)
- Easy to use for everyone
CCleaner Duplicate Finder review
What is CCleaner Duplicate Finder?
CCleaner Duplicate Finder is not an independent app. Instead, it's a tool within an app called CCleaner, a popular system cleaner app. The tool has the essential features that a duplicate file finder should offer and can be used to find and delete duplicate files on a computer.
Pros
- Scan for duplicate documents, videos, photos, songs, and other files
- Allow you to include or exclude certain folders and files in or from a scan
- Automatically skip system files and hidden files when scanning
- Offer multiple methods for comparing files and identifying duplicates
- Display found duplicate files, along with info like file names, paths, and sizes
- Provide an option to automatically select all duplicates for one-click deletion
Cons
- A bit slow
- Can't find all duplicate files
- Exclude small files and subfolders from scans by default
- Can't view duplicates by file type
- No built-in image previews
- Delete duplicate files permanently, without an option to move them to the Recycle Bin
Verdict
CCleaner Duplicate Finder is a basic duplicate file finder. If configured properly, it can accurately identify duplicate files. Since there's an option to select all duplicates for removal, you can quickly eliminate duplicates.
However, you can't preview files before deletion or move duplicates to the Recycle Bin, making the removal experience less reliable.
If you prefer a duplicate file finder that provides high speed, convenient image previews, a reliable removal process, enough customization options, support for cloud drives, and more, you can check out this alternative to CCleaner Duplicate Finder.
Availability and price
While CCleaner supports Windows, Mac, Android, and iOS, the Duplicate Finder tool is only available for Windows and Mac. CCleaner has three versions: Standard, Pro, and Pro Plus, with the Duplicate Finder tool available in all versions.
Here's the CCleaner pricing detail.
|
Pro Plus |
Pro |
Standard |
|
|---|---|---|---|
|
CCleaner |
$59.95/year |
$39.95/year |
Free |
Is CCleaner Duplicate Finder safe?
CCleaner Duplicate Finder is safe to download and install. It doesn't come with bundled software or malware.
It's generally safe to use. As mentioned, it provides high accuracy if configured properly. There are also options to keep system files and your important folders untouched.
Is it safe to delete duplicate files found by CCleaner Duplicate Finder? It depends on how you use it. With personal folders like Downloads, Documents, and Pictures, it's generally safe to delete found duplicates. However, note that clicking Delete Selected will permanently delete duplicates. It would be safer if there were an option to move duplicates to the Recycle Bin.
Features: How does CCleaner Duplicate Finder work?
Finding and deleting duplicate files is an effective way to clean up computers, and that’s the reason why CCleaner builds in this useful feature. This feature allows users to remove duplicate documents, videos, movies, photos or other files on your computer.
1. Interface
Once you have launched the program, you can go to “Tools” and choose “Duplicate Finder”, you will find an informative but neat interface. All the needed icons for customizable settings are arranged in good order, if you need to tweak the settings, just checkmark before the options.
2. Find duplicates
CCleaner Duplicate Finder searches for duplicate files on computer in a smart way. Users can let it find duplicate files by name, size, modified date, content, or a combination of these criteria. For example, check the boxes next to Name and Content. Then CCleaner Duplicate Finder will consider files with the same name and the same size as duplicates. Even, you can let it ignore to look through certain files. It’s recommended to ignore Zero-byte files, Read only files, System files, Hidden files to avoid deleting system files and some program files. You can also specify the min or max file size that you want to ignore to scan.

In addition, during the scanning process, users can include or exclude some drives or folders for searching. For example, if you are quite sure there are lots of duplicates on a drive or in a folder, you can include for scanning, if you don’t want the program look through some files that stored in an important folder, you can exclude for searching.
The scan speed is fast. It took less than 30 seconds to scan a large folder on my Windows PC.
Yet, CCleaner cannot find all duplicates, there will be some files missing in the duplicates results.
Note: By default, CCleaner doesn’t search subfolders when searching a folder for duplicate files. You can set it to search subfolders if needed.
3. Delete duplicates
After the scanning process, CCleaner will find all the duplicates in your selected folder and list them with details, you can view the name, path, size and creation data of these files. Though CCleaner offers different solutions to delete files, it doesn’t do that smart as it does in searching duplicate files or as good as other duplicate file finders. Generally speaking, a convenient duplicate finder will offer different options for users to delete duplicates fast and efficiently, such as select all, deselect all, delete the newest, delete the oldest or customize the selection. And its seems in CCleaner, “choosing one by one, then delete” is the safest way to delete duplicate files, since doesn’t have built-in preview pane. To view duplicates, the only way is right clicking on the files and selecting Open containing folder one by one and then delete those useless files. Once you are sure that all unwanted duplicates are selected, click the Delete Selected button.

4. Restore Deleted Files
There is a button “Restore results” on the top right corner, this feature is only available when you have paid for its Windows bundle, which includes a data recovery software called Recuva. If not, you will be asked to install this program first.
Before to figure out if CCleaner duplicate file finder tool worth a try or not, we need to have a basic understanding about what does it do and how does it help to find and delete duplicate files.
How to use CCleaner Duplicate Finder
Step 1. Download and install CCleaner app on your computer.
Step 2. Launch the program, go to Tools > Duplicate Finder.
Step 3. CCleaner Duplicate Finder provides you some basic options to help you find duplicate files more precisely. You can select according to your needs:
- Match method: Name, Size, Modified date, or Content.
- Ignore list: Choose whether to ignore Zero byte files, System files, Read only files, or Hidden files.
- Minimum/Maximum file size: Set the minimum/maximum file size you do not want to scan. Files under/over than this limit will not be scanned.
- Search location: Select the folders/drives to scan. If you only want to scan a specific directory, click "Browse" to select the path.
- Exclude certain folders or file types: If you don't want to scan certain folders or specific types of files, click "Exclude" to set the corresponding conditions.

Step 4. Select the files you want to delete. There are three ways to select duplicate files for deletion.
- Manually select individual duplicates: Select the checkbox next to a duplicate and repeat the process.
- Automatically select all duplicates: Perform a right-click and then choose the Select All option that appears.
- Automatically select all files but one in a group of duplicates: Right-click a file and then choose the Select All of Type option.

For safe deletion, check these selected files in the original folder, to make sure you are deleting the one you expect.
Step 5. Click “Delete Selected” to remove duplicate files in CCleaner.
What if CCleaner Duplicate Finder is not working?
Sometimes, CCleaner just disappoints users. The major complaints about CCleaner duplicate file remover are its failure to find all duplicates, or crash when scanning a large drive/folder.
Then, what to do if CCleaner Duplicate Finder is not working? You may be able to re-start the program if it crashes during scanning process, but there will be no good way to deal with its incompetence to find all expected duplicates. In this case, a professional duplicate finder will be the best solution.
The best alternative to CCleaner Duplicate Finder
Cisdem Duplicate Finder can be the best CCleaner Duplicate Finder alternative due to its good performance and high ease of use. Below are its main features.
- Identify duplicate images, videos, audios, archives, documents and all other duplicate files.
- Identify similar images too.
- Find duplicate files on computer, phone, external hard drive, SD card, cloud storage, etc.
- Scan 1 folder/drive or multiple locations for duplicates at a time.
- Let you exclude folders/files/files with certain extensions from the scan.
- Let you preview duplicate files side by side or in detail.
- Automatically select all duplicates for you to eliminate with a click.
- Also offer up to 8 rules to help you mass select.
- Offer 3 deletion options: Move to Recycle Bin (or Trash), Move to Folder or Remove Permanently.
- Available for Windows PC, Mac, Android, and iOS.
Free Download Windows 10 or later
Free Download macOS 10.11 or later
GET IT ONGoogle Play
Download on theApp Store
1. Download and install Cisdem Duplicate Finder. Open the software.
2. Unlike CCleaner, this tool allows you to directly drag and drop folders/drives to scan for duplicates instead of scanning the entire computer.
To customize the scan (like ignoring particular extensions, folders, files, or setting the scan method, remove method, etc.), click the settings icon in the top right corner.

3. Click Scan.
4. View the found duplicate files in the results window. You can preview duplicate files side by side, which is especially useful for users who have large number of duplicate images. You can also switch to the Info preview mode in the upper right corner to view the file name, size, location, resolution and other details of duplicates.

5. It has automatically selected all duplicates for removal. Or, you can choose a desired selection rule to help you mass select. These user-friendly features greatly save users’ time and make the task of eliminating duplicate files on PC more efficient.

6. Click Delete to remove all selected duplicates. By default, this CCleaner Duplicate Finder alternative clean up duplicates by move them to the Recycle Bin/Trash, which can be convenient for users to recover accidentally deleted files. You can also set other remove methods in Settings.
CCleaner Duplicate Finder vs. Cisdem Duplicate Finder
| CCleaner Duplicate Finder | Cisdem Duplicate Finder | |
|---|---|---|
|
Find duplicate files on computer |
✓ |
✓ |
| Scan 7.13 GB of files | 1 minute and 56 seconds | 3 seconds |
|
Find duplicate files on phone |
✕ |
✓ |
|
Find similar images |
✕ | ✓ |
|
Multiple scan methods |
✓ | ✓ |
|
Ignore list |
✓ | ✓ |
| Preview the found duplicates | ✕ | ✓ |
|
Multiple preview modes |
✕ | ✓ |
|
Categorize the found duplicate files by file type |
✕ | ✓ |
|
Automatically select duplicates for removal |
✕ | ✓ |
|
Multiple selection rules to help you mass select |
✕ | ✓ |
|
Move duplicates to Recycle Bin |
✕ | ✓ |
| Move duplicates to a folder | ✕ | ✓ |
| Permanently delete duplicates | ✓ | ✓ |
To summarize, CCleaner Duplicate Finder is better for users who want to speed up computer, recover spaces by cleaning up temporary files, junk files, redundant files, etc. CCleaner itself is not exclusively designed to handle duplicate files. For many of its users, the Duplicate Finder tool may be a nice little cherry on the top feature.
For active computer users who may have a large amount of duplicate files on their computers, Cisdem Duplicate Finder is better due to its reliable performance, high accuracy, high speed and great customization.
With a passion for tech and writing, Sarah joined Cisdem, where she focuses on creating articles about using utility tools to enhance file management and simplify contact management.
Adrian Li is Cisdem’s Chief Engineer and serves as the editorial advisor for Duplicate Finder and ContactsMate. His work and insights have been featured in leading tech publications such as Fossbytes, TUAW, Redmond Pie, SafetyDetectives, and BestForAndroid.




