Jan 27, 2013 It’s extremely easy to make an image transparent with the help of Preview app, the built-in image editing app that comes along with all Macs with Mac OS X. Do note creating transparent PNG or GIF images this way works best on images with uniform colors. Just double-click the file. It will open, by default, in Preview, a Mac OS X file viewer app that views PDF, JPEG, PNG and other files. The question itself is anachronistic. The Macintosh OS in its very first version (yes, in the 1980s) de-emphasi.
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![]() Preview User Guide
You can resize or rotate an image opened in Preview to fit into a particular spot. You can also reduce the file size to save disk space or to download an image more quickly.
Change an image’s dimensions
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Tip: To resize multiple images at the same time, display the images in the same window, select them in that window’s sidebar, then choose Tools > Adjust Size.
Rotate or flip an image
Tip: To rotate or flip multiple images at the same time, display the images in the same window, choose View > Thumbnails, select them in that window’s sidebar, then choose Tools > [Rotate or Flip].
Reduce an image’s file size
Tip: To reduce the file size of multiple images at the same time, display the images in the same window, select them in that window’s sidebar, then choose Tools > Adjust Size.
See alsoCrop or rotate a PDF in Preview on MacUse the Touch Bar
PNG (Portable Network Graphics) is a very popular format we see in images. PNG is a rich format with high image quality, widely used in sharing photos and screen castings etc. One of the main advantages of PNG is its transparency, it lets you add image layers to the photo easily. We have tons of programs available for Windows and Mac to edit PNG file, but if you are looking for a way to edit it online, this post definitely for you.
In most of the cases, even some popular image editing tools failed to edit PNG files. So we are here with the list of top 5 tools to edit the png file without losing transparency. These online, free tools offer various other effects and resizing options, doesn’t compromise on reproducing the original image.
Top 5 Tools To Edit PNG File Online1. Online Image Editor
Online Image Editor is a website which lets you edit PNG files online. You can upload an image directly from your computer or from a URL. Using this service you can overlay images, create round corners, twinkle star animations and much more.
2. FotoFlexer
FotoFlexer is yet another free online PNG editing tool. If you want more than resizing options this web tool offers various effects, fonts, layers, and shapes to make up your image. This service lets you upload your images from Photobucket, Myspace, Facebook, Flickr, and much more.
3. Pixlr
Pixlr offers various tools to edit PNG file online. It looks like a photoshop with its left tool bar. It can edit your PNG file without losing its transparency. The service requires Flash Player to run its tools on the browser. Coming to the features, it offers various tools to edit your images online, you can replace colors, transform objects from your browser.
4. Lunapic
Lunapic is another great site to edit PNG files online. Lunapic offers various tools and effects to edit the uploaded PNG file. You can adjust, draw, add filters, add effects, animations and much more. It is one of my favorite web tool to edit images on the go.
Software For Png Files5. Images.My-Addr
Images.My-Addr works only for resizing images. This online tool is helpful to resizing the PNG file without losing its transparency effect. The main advantage of these tools is you can do a “smoothly interpolation” method for smooth PNG resizing without harming its transparency.
How To Make Png Files
These are the best tools to edit PNG files online without any help of a program. Apart from basic editing features, these offer effects, gradients, filters, saturation, brightness, contrast, hue, and exposure etc.
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