[Music]
- [Don] Hi, this is Don McAllister,
and welcome to another ScreenCastsOnline weekly tip video.
In this tip I'm going to take a further look
at some of the not so well known features
of Preview on the Mac.
Preview was developed primarily to view
and annotate simple PDFs.
But it has many more features built in.
I will cover additional Preview features
in future tip videos, but for now, let's take a further look
at some of its graphics capabilities.
In the previous tip video we took a look at
just manipulating a single image within Preview.
But it is possible to manipulate multiple images
within Preview, so if I just go ahead
and select these PNG files.
So I'll just hold down the shift key,
and click on the bottom entry.
Now these are all fairly high resolution files.
You'll see the file size, 11 megabyte,
16 megabytes, et cetera.
Now to open these with Preview, I could just say
open, my default application for images is Preview,
but I'll say open with Preview just to show you.
And that will open Preview itself,
we just resize the window.
And then down here in the side, we can see
the multiple images that we've opened.
So if I want to select an image, I just click on that image
and that appears in the main viewer panel.
Now I've got my standard editing commands,
I can go to the mark up tool bar.
So I can use Instant Alpha, I can crop.
I can change the image itself.
So if I go to here, I can go ahead and adjust the colour.
But we'll close that for now.
Now I can also, while these are loaded in Preview,
if I'm using this as sort of like a tool
to view my photos and decide which ones I'm going to keep,
I can actually send photos directly to the trash
from within Preview itself.
So if I control or right click on an image,
I can say move to trash, and that will be taken
out of the finder and placed in trash.
Now I can also export from here as well.
So if I've cropped, if I've resized,
or if I just want to export as a different file format,
I can do that within Preview as well.
So with this file selected, if I say file export,
now this will just export the selected file,
it's currently PNG, but if I want it to be
a smaller file size, let's say a JPEG,
so it was 16 megabytes, it's now gonna be three megabytes.
And go ahead and change the target folder.
So I'll just put it in photos.
So six seven seven, there's the PNG file,
I'm gonna save it as a JPEG file.
So it should save just fine.
OK, that's done.
Now if I wanted to save the rest,
I can actually select the rest.
Let's do a multiple selection.
Say these four files here.
If I want to save these four files, if I want to export them
as a different file format, I just say file,
export selected images, I select where it wants to go to,
photos which is fine.
I can select options.
Right, now I can change the format, so PNG,
JPEG, et cetera.
Now if I wanted a different file format,
if I hold down the alt or option key,
and select format, you'll see I get some additional
options, Microsoft Bitmap, Icon,
Photoshop, Postscript, et cetera.
Now these won't all work, for instance,
you can't actually save an image file as a QuickTime movie.
But there are lots of other different options
here for you to experiment with.
I'm gonna stick with JPEG.
And we'll say choose.
And there we go those documents,
all those documents have now been exported.
So that's how you handle multiple files
and export them from within Preview.