HEIC Photo Upload Issues

If you take photos using an iPhone (iPhone 11 as well as other recent iPhone versions) and are having trouble uploading these images to your 3plains Portal, the problem may be due to the images being saved as HEIC (High Efficiency Image Format). 

NOTE: Images saved as HEIC may still show up as JPEG images in your list of images, and if your iPhone and Apple computer are connected via iCloud, your iPhone photos may automatically be downloaded onto your desktop/laptop, thus still being saved as HEIC files.

In the upload screen, your images may show up with distorted color or not show at all.

Options Available:

1. You can convert the HEIC images into JPEGs using a free service such as heictojpg.com.

2. You can export the HEIC images as JPEGs on your Apple computer one at a time.

How to:

  • Open the image using the Preview program on your Mac (typically the default program when you open an image file).
  • Click on "File" (in the navigation bar at the top of your screen), then "Export".
  • Select JPEG as the format and click "Save".


  • Open the image in Preview.
  • Click on "File" (in the navigation bar at the top of your screen).
  • Select "Save As" (if this option is not immediately visible, hold down the Option key and it should appear)
  • Select JPEG as the format and click "Save".

3. Change a setting on your iPhone:

Open the Settings app on the iPhone and go to "Camera".

Choose "Formats" and select "Most Compatible" to shoot photos in JPEG format on your iPhone camera instead of HEIC.

Exit out of Settings.

For more info about the iPhone HEIC image format, see this MacPaw article: HEIC format explained: Why does iPhone use HEIC system?

Still need help or don't want to DIY?

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