October 09, 2021
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HEIC offers better compression than JPG. HEIC photos use less storage space without losing the visual quality. That’s why iOS 11 and macOS 10.13 introduced support for the HEIC format in 2017. However, the HEIC and JPG duplicates issue has been around since then.
It is an issue where people end up having both a JPG version and a HEIC version of their photos after they import photos from iPhone to Mac.
This article is mainly about how to easily find and mass delete the existing HEIC JPG duplicates on Mac. It also shows how to avoid duplicates in future imports. In addition, it talks about how to delete HEIC files duplicates on Windows PC and iPhone.
Cisdem Duplicate Finder
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Cisdem Duplicate Finder offers the best solution to the issue in question. Cisdem Duplicate Finder will scan Apple Photos for Mac (or folders), display the found HEIC JPG duplicate photos in groups and let you effortlessly bulk select the HEIC version or JPG version of photos for deletion.
1. Download and install this HEIC duplicate finder. Open it.
2. To find Apple Photos HEIC JPG duplicate files, click the plus icon 
and add Photos Library.
3. Click Scan.
4. Once the scan is done, go to Images > Similar to view the found duplicates.
5. There are 3 preview modes. Choose the second one.
6. Select all the items under the Similar subtab with Command-A.
7. Click the list icon 
. To select the JPG version of your photos for deletion, choose Select Largest. Or, choose Select Smallest to select the HEIC version.
8. In addition to the duplicates in HEIC and JPG formats, there may be groups of similar photos. Manually deselect them if you don’t want to handle them now.
9. Click Delete to delete the selected HEIC duplicates or JPG duplicates.
If you use macOS 10.15 or later, the deleted duplicates will be in Recently Deleted in Photos app. If you use macOS 10.14 or earlier, there is an extra step.
1. Launch the Photos app on your Mac.
2. Head over to File at the top of the screen and select New Smart Album.
3. From the pop-up menu, set the condition to be “Filename includes .heic”.
4. Select all photos to duplicate HEICs in the smart album and delete them with the key combination Ctrl + Delete or Backspace.
Bear in mind that the manual method can only filter pictures by format. There is no guarantee that it will work correctly. HEIC photos are mainly duplicated with JPEG on Mac. So we’d better use HEIC duplicate finder software, rather than being limited to the identical format.
iOS 11 and later support shooting in HEIF (with the extension .heic) and JPEG (with the extension .jpg). HEIC is used by default. macOS High Sierra and later also support HEIC to help compress image size and save space. However, it’s prone to duplicate HEIC and JPG files if you transfer HEIC from iPhone to Mac using two mixed methods.
For the first time, you sync HEIC photos via My Photo Stream. They will be converted to JPG format automatically as My Photo Stream doesn’t support HEIC.
The second time, you import HEIC files to Mac by connecting the device to USB or through iCloud Photos. This way, the images will remain in HEIC format. The already existing photos will be imported again because they are considered new photos due to being in different formats: HEIC and JPG.
HEIC is fully supported by iOS 11 and High Sierra 10.13 and higher. It’s unable to be opened directly in Windows (except Windows 10 RS4) using image viewing software.
To solve the issues, you can install an extra codec and plugin like:
Cisdem Duplicate Finder lives up to its name in every aspect. Besides removing Apple Photos HEIC duplicates, it can detect other image formats, such as JPG, PNG, BMP, WBMP, PPM, PSD, CRW, WEBP, ICO, JP2, GIF, etc.
This HEIC Duplicate Finder for Windows scans images using an optimized and innovative algorithm, offering most accurate results. Moreover, it encompasses other features like similar image search, setting similarity threshold and other filters, etc.
1. Get Cisdem Duplicate Finder installed on your Windows and run it.
2. Add the folders that contain the unneeded duplicate HEIC files you desire to delete. Alternatively, drag-n-drop them inside the program.
3. Click the Scan button.
4. Once the results are displayed, choose a rule for selecting duplicates or stick to the auto selection.
5. Check the Delete button.
Note that the HEIC and JPG duplicates issue can also happen on Windows PC due to improper settings. In this case, the software can also help.
1. Go to the Photos app.
2. Tap Select button in the upper-right corner.
3. Tick all similar captured HEIC photos.
4. Tap the trash icon in the lower right corner.
5. From the pop-up, confirm the Delete.
6. Go to empty your Recently Deleted album.
Remo Duplicate Photos Remover is a popular HEIC duplicate finder for iPhone. It’s good at scanning all the exact duplicates, similar images, and lining up them separately. It offers useful details for images such as date, size, resolution, etc. and automatically reserves one best copy in each picture group.
1. Download and install Remo Duplicate Photos Remover from App Store and open it on the iPhone.
2. Tap the Scan button, and it will start scanning your photo library. Note that you have to allow it to access Photos but not have to the notifications.
3. After the scan finishes, the app shows images into two categories: Exact and Similar. Select the photos duplicate HEIC for deletion.
4. Tap the trash can icon in the bottom right corner.
Improper import settings can lead to multiple copies in different formats of the same photo. You will want to get rid of the unwanted copies to save space. This article shows you an easy and automatic way to get rid of HEIC and JPG duplicates on Mac. There are also steps on how to weed out duplicate HEIC files on other platforms with HEIC duplicate finder.
In addition to fixing the existing duplicates, don’t forget to avoid the settings or practices that result in this issue. Happy shooting photos!
Peter has always had great enthusiasm for writing, programming and web development. He likes writing about software and technology, his works are featured on some tech blogs or forums like Tom's Hardware, CNET, etc.