Preview, the Mac app people forget about

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Preview, the Mac app people forget about
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These constituents are quite beautiful!
Preview is that stand-alone program that comes with all Macs and one you probably don’t pay too much attention to. That’s understandable, it often feels just part of the operating system and not an application in its own right, but it is, and other than being a great viewing application for photos and PDFs, it comes with some nifty tools that I find myself using all the time and I thought I would share those with you.

Here they are:

Resizing images to a specific file size

Inverting Icons

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Removing the background from an image

Rearranging pages in a PDF

Creating a new PDF from an existing one

Merging pages from one PDF to another

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Signing PDFs

Removing Geolocation meta info from a photo

Creating an Image from the Clipboard

Accessing App icons

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1. Resizing images to a specific file sizeIf you are like me and often find yourself having to upload images to websites, you can often be confronted with size restrictions to upload them. Preview has a great solutions to that.

Steps

Select ‘Markup’

Select ‘Resize’

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Adjust width and height to meet size constraints

2. Inverting IconsHave a black and white image but you want to inverted? it You can use the image editing capabilities of Preview to do this.

Steps

Select ‘Tools’ from the toolbar

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Select ‘Adjust Color’

Drag and invert the Left and Right arrows of the levels window

3. Removing the background from an imageDoes your image have a background that is making your presentation look rather amateur? Get rid of it in Preview.

Steps

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Select ‘Markup’

Select ‘Auto Alpha’

Click and drag down to select the desired background

Press delete on the keyboard

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Repeat steps 3 & 4 if necessary

4. Rearranging pages in a PDFPreview is a great stand-alone PDF viewer and it has some extra capabilities like being able to rearrange the pages of a document.

Steps

Select the desired pages to reorder in the sidebar

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Drag and drop the pages to the desired location

5. Creating a new PDF from an existing oneIf you ever need to split Up a pdf or just take out a few pages to form a new one. Preview is extremely useful for this.

Steps

Select the desired pages from the sidebar

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Drag and drop the pages onto the desktop or a location of your choosing

6. Merging pages from one PDF to anotherHave more than one PDF that you want to combine? A simple drag and drop can save you a lot of headaches here

Steps

Open both PDFs and have them next to each other

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Select the desired pages from one PDF’s sidebar

Drag and drop those pages to the other PDF’s sidebar

7. Signing PDFsSigning documents is something we all have to do from time to time. Preview enables you to Sign documents without having to print them out and scan them back in.

Steps

Select ‘Markup’

Select ‘Signature’

Either create a new signature or select an existing one

Drag and resize the signature to suit

8. Removing Geolocation meta info from a photoIf you post a lot of photos on the web, you could be exposing the location of where you took that photo. Something that some not so nice people might try to capitalise on. Best get rid of it in Preview first.

Steps

Select ‘Information’

Select ‘Information’ from the more info dialogue box

Select the GPS tab

Click ‘Remove Location Info’

9. Creating an Image from the ClipboardCopied a photo from a Website and want to save it. Preview can help

Steps

Copy Desired image

Open Preview

Select ‘File’ from the toolbar

Select ‘New from Clipboard’

10. Accessing App iconsIf you create content for different applications you may find yourself in need of an image of the app’s icon. Rather than getting a bad quality one from the web use Preview to do it for you.

Steps

Open your ‘Applications’ folder

Select the desired app

Right Click and choose ‘Get Info’ or CMD + I

Select the icon in the top left of the dialogue box

Copy it using the keyboard shortcut CMD + C

Open Preview

Select ‘File’ from the toolbar

Select ‘New from Clipboard’

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