How to convert HEIF images into JPEG format with Preview for Mac
iOS 11 and macOS High Sierra debuted HEIF, Apple’s new efficient image file format that delivers the same or better quality at half the JPEG size. But what about converting HEIF images into the more compatible JPEG format?
When you update to iOS 11, the Camera app automatically switches to HEIF capture.
As a result of this change, a lot of iOS 11 users have been shooting HEIFs without even knowing it. This may not be problematic until you transfer iPhone shots to your Mac or PC only to realize you’re seeing a bunch of files with the HEIC extension.
The good news is, iOS 11 and macOS High Sierra for compatibility purposes automatically convert your HEIFs to JPEGs on the fly when you send them using Apple’s multi-purpose Share sheet.
TUTORIAL: How to switch media format between HEIF/H.265 and JPEG/H.264 in iOS 11
But what if you’re stuck with a bunch of HEIF photos that you’d like to convert to the ubiquitous JPG format for safekeeping? Or, maybe you want to import those photos into an app which doesn’t work with the new HEIF format yet? What about uploading them to a social media site of your liking via its web interface, bypassing the Share sheet?
In all those instances, you’ll need to convert HEIF images into the JPEG format.
As one of our earlier tutorials explained, you could download the free iMazing HEIC Converter app to perform HEIF → JPEG conversions by way of drag and drop.
Thankfully, you don’t need a third-party app for that.
How to convert HEIF images into JPEG format with macOS Preview
If you’re in a hurry or don’t want to download any special software, you can simply run the image conversion through macOS’s built-in Preview app. Keep in mind that you’ll need macOS High Sierra for that because Preview on earlier macOS editions cannot read HEIF images.
1) In the Finder, open the folder containing the HEIF images you’d like to convert to the more widely-used JPEF format.
HEIF image files are saved with the HEIC extension.
2) Command (⌘)-click specific HEIF image files (they have the HEIC extension) that you’d like to convert, or select all items in the folder by pressing Command (⌘)-A or choosing Select All from the Finder’s Edit menu.
3) Right-click or Control (⌃)-click one of the highlighted files, then choose Open With → Preview from the popup menu.
4) Your highlighted HEIC photos will open in Apple’s stock Preview app.
TIP: If you don’t see any thumbnails in Preview’s sidebar, press Option (⌥)-Command (⌘)-2 on the keyboard or choose Thumbnails from the View menu.
Select the HEIF images within Preview’s sidebar by using your mouse, pressing Command (⌘)-A or choosing the Select All command from the Edit menu.
5) Next, choose Export Selected Images from the File menu.
6) Click Options and select JPEG from the Format menu.
7) Finally, click Choose to save the converted JPEG files in the selected folder.
Of course, you can also adjust JPEG compression by dragging the Quality slider or pick any other desired image file format from the Format menu, like TIFF, PNG, PDF and more.
The Preview method is guaranteed to preserve the originals’ EXIF data, creation date, location information, embedded color profile (the P3 Display profile will be preserved when converting wide color images) and so forth, which is a big plus.
Converted JPEGs retain all EXIF data of their HEIF originals.
The usual caveats apply: it may not make much sense, if any, converting photos from one lossy format (HEIF) to another (JPEG) because every time you do that compression artifacts will become a tad more pronounced than before.
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Source link: http://www.idownloadblog.com/2018/01/10/how-to-convert-heif-to-jpeg-preview-mac/
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