What you need to know
- A bug has been discovered in Apple's Image Capture software.
- It seems to be filling up hard drives with empty data.
- That's because it's adding 1.5MB of data to every photo.
A new bug in Image Capture seems to be adding 1.5MB of empty data to photo files, filling up your Mac hard drive.
By pure chance, we have discovered a very disturbing bug recently that is able to quickly fill your macOS volumes with empty data.
Here is what happens.
If you connect an iPhone or iPad to your Mac, and use Image Capture to transfer the photos you took with the device to the Mac, you have the option to convert the HEIC photos taken by iOS to more standard JPG files. This requires you to uncheck the "Keep Originals" option in the settings for that iOS device, as shown here.
Apple's Image Capture will then happily convert the HEIF files to JPG format for you when they are copied to your Mac.
But what is also does is to add 1.5 MB of totally empty data to every single photo file it creates!
The blog notes that this bug would mean 1000 photos could eat up 1.5GB of extra storage. It's unclear what exactly is causing the issue, but it only seems to affect transferring photos from other Apple devices, not a digital camera. An app called Graphic Converter seems to be one possible method for circumventing this problem until such time as Apple is able to patch the issue in a future update.