How To Change The Type Of File For Photo On Mac

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It's no accident that Apple has chosen two different file formats for iOS device screen shots (PNG) and still photos from the camera (JPG). Here's why Apple does that and why you shouldn't fight it. ____________________ The short and simple answer is that screen shots are often of web content, and that content often has text. The Portable Network Graphics (PNG) format does better with images like that, and the resulting file size is often correspondingly larger than a Joint Photographic Experts Group (JPG) file.


You probably don't want much compression here. Photographs, on the other hand, tend to be images of surroundings, indoor or outdoor, and generally should be as small as possible because people take a lot more photos with their iPhones than screen shots. JPG is a compressed image format, and is designed to work with the kinds of images that a camera produces. Classic photographic image uses JPG. Recently, I ran across several articles on the Internet that explain, in terrific detail, why these two different formats are used for different jobs.

How to use wd my passport for mac. Select the file format to change the image file to, to see different image file formats in Preview, hold the Option key when selecting the Format menu and you will see additional options for file type. Instead of having to manually change it online or using a third party app to convert the file, there is a way to change the screenshot format of your Mac OS X. How to Create a Screenshot on your Mac OS X.

In both these articles, the authors explain the benefits of each format and why PNG is better for screen shots and JPG is better for photography. In the second article above, the author writes: • PNG is good option for transparency and non-lossy, smaller files. Larger files, not so much, unless you demand non-lossy images. • JPG is still the king for photographs and photo-like images on the internet, but be careful, as your file can degrade with every save. Classic screen shot of a web page using PNG. Changing the Default Format - NOT!

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It's not easy to change the default image format on an iPhone, say, for screen shots, like you can on a Mac because you don't have access to the iOS UNIX shell on a command line. I'm told there are some apps that can change the format, but that can also cause problems when you try to export the photo later. It's a very good idea to go with Apple's technical choice here. If you need to manipulate the image, use AirDrop or email the image to your Mac or PC where there are eleventy-zillion different apps that can edit the image and change the file format.

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Simply navigate through your PowerPoint and speak over the slides you want to record voice narration for. Please also note the Pause and Redo buttons in the bottom right of the screen. When you are finished recording, click Exit Show or press ESC. PowerPoint prompts you to save the timings when you reach the last slide or exit presenter view. Change the narration on a slide with PowerPoint 2011 for Mac. When you change the narration for a single slide, the timing is also updated. In the navigation pane, select the slide for which you want to change the narration. How to select slides in the navigation pane. On the View menu, click Normal. I made a PowerPoint presentation with PP 2011 for Mac, and went through and narrated it. After narration, I could go through the entire presentation and hear my voice. I saved the file and closed it. How to record narration in powerpoint. This allows you to edit slides, change slide order, and add or remove slides without having to re-record the audio for the entire presentation. See below for instructions. Recording the Narration 1. On the Slide Show tab, under Presenter Tools, click Record Slide Show.

And now you know why your iPhone's screen shots use PNG and camera photos use JPG.