Make A Transparent Image Png Or Gif Easily With Preview For Mac

Posted on 27.02.2019admin

Make A Transparent Image Png Or Gif Easily With Preview For Mac Rating: 3,9/5 1948 votes

In a few simple steps, make a transparent background, a transparent line or a transparent area in your image. Adding transparency has never been this easy. For adding or removing transparency to an image, press the Transparency button in the toolbar:. It turns out that Preview, the free image & PDF viewing (and now editing) app that comes with OS X will do the very same thing, without you having to spend an extra dime on image editing software. The PNG (portable network graphics) file format is a popular image format used in graphic design. If you have an image file in JPEG or GIF format, for example, you can use the most basic graphics editor to save that image as PNG format.

By • 6:00 am, February 15, 2013 • There are many times you might want to knock out the background of a particular image on your Mac. Typically, I pop into Photoshop or Fireworks to use the Magic Wand tool to select all the white space of that image, and delete from there.

We’ve outlined the basic methods below. They are quite easy, which is why we won’t go into many details about each: 1. Using the Basic Rectangle and Elliptical selection tools, you can select the area(s) you want to remove. This can be done by dragging your mouse pointer over the area you want to delete, and by clicking on “Delete” on your keyboard. Use the Lasso Selection Option for a selection that has an irregular shape, and press “Delete” to remove the selected area of the image and make it transparent. You can use the ‘Instant Alpha’ tool. Drag your mouse pointer to select the image exposure you want to delete.

Step Use the 'Magic Wand' or 'Lasso' tool--it may also be called the 'Selection' tool--to select the area you want to be transparent. Select 'Delete' or 'Clear' from the 'Edit' menu to erase the area selected, making sure the layer you created in the previous step is the active layer. Step Erase any stray bits you may have missed using the 'Eraser' tool, making sure the image layer is still selected. Step Check to make sure you can see the 'background' through the part you erased.

The space will turn red while you’re dragging, and then become a standard selection box when you let go of the mouse or trackpad. You’ll then be asked if you want to convert the image to PNG, if it isn’t one already. Then, hit the Delete button on your keyboard to get rid of that selected section. Do the same for the rest of the whitespace you want to delete. When you’re finished, save your effort, either as the PNG you saved it as already, or as a GIF file, the other transparency supporting format.

Credit: scyther5/iStock/Getty Images Step Create an image with a transparent background. Look for the setting in the New File dialog box that specifies the background color. Choose 'transparent background' from the list, or check the box next to that option.

Here you can select a colour that you want the transparency be replaced with(7) The transparent part will be replaced by the chosen colour after you press the diamond with the red cross through it(8): Remove background from an animated gif To remove the background from an animated gif is as simple with the online image editor. Just follow the steps as described above here for adding transparency to an image and you will succeed.

These programs cost hundreds of dollars, though. Isn’t there a free way to do this? Advertisement It turns out that Preview, the free image & PDF viewing (and now editing) app that comes with OS X will do the very same thing, without you having to spend an extra dime on image editing software. Here’s how to do it. First, use Preview to open up an image that has a lot of white space in the background.

In the upper right hand corner of the Preview window, there’s an editing button that sort of looks like a highlighter in a square box. This will drop down the editing toolbar in Preview.

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This will result in a transparent image like below: Note: Your screen may become grey like the image above, or it may become a checkerboard pattern. Either way, it means the area is transparent. You’ll now have a blank canvas on which you can place (copy and paste) other images that include transparency. You can set them according to your needs. Do keep in mind, that once any image is deselected, it will become static, and will not be able to be resized/moved again.

Step Copy the image by selecting 'Copy' from the 'Edit' menu. Go back to the image created in the first step and select 'Paste as New Layer' from the 'Edit' menu.

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It’s extremely easy to make an image transparent with the help of Preview, the built-in image editing app that comes along with all Macs with OS X. Do note this works best on images with uniform colors in the area you want to become transparent. The more complicated the image and color variation, the more work you will need to do with the alpha tool. Making a Transparent Image You can turn any image transparent with Preview, though you’ll find the resulting image must be saved as an image format that supports transparency. Hello there and thank you for your info – I have definitely picked up something new from right here. I did however expertise a few technical issues using this site, since I experienced to reload the web site many times previous to I could get it to load properly. I had been wondering if your hosting is OK?

• Now click on the Insert From: file option. Navigate to the image you would like to place into the shape and double click. • Your image will now have been placed into the PowerPoint shape, in the Format picture window there is a Transparency option (near the bottom) you can use this to set the transparency of the image anywhere between 0-100%. There is an animation option in PowerPoint allowing you to turn your image transparent, but to achieve this, your image has to be on the screen in its original format before-hand; there is also no smooth action when using this animation, the image simply switches from its original state into transparent in the blink of an eye. (Why Microsoft thought this was the best way to carry out the animation is beyond me, surely a fade to transparent option would be much more useful?) I really don’t know why Microsoft didn’t allow you to change the transparency of all images placed onto slides, but the work around above works perfectly. Below is a video demonstration of how to make an image transparent in PowerPoint: • Share this • • •.

To help reduce this, you can either manually remove backgrounds from images using Apple’s Preview application or use a transparent canvas to compose images that already contain transparency. Both can be done in Apple’s Preview, and we’ll be showing you how to do both, so keep on reading below! How to Create a Transparency in an Image: There are a number of options to create a transparency background in an image that has none. To do this, you simply need to remove a section of the image.

Images with fewer colors will compress more efficiently under LZW compression. Associated programs Adobe Photoshop Apple Preview Corel Paint Shop Pro Microsoft Windows Photo Gallery Viewer Developed by CompuServe MIME type image/gif Useful links.

Now, the fourth icon from the right in that toolbar is usually set to a rectangular selection box. Click on that, and you’ll get a drop down menu that shows the other editing selectors, including Instant Alpha, which looks a lot like a magic wand. Take your cursor now and click and drag in any of the white space in the background of your image. The space will turn red while you’re dragging, and then become a standard selection box when you let go of the mouse or trackpad. You’ll then be asked if you want to convert the image to PNG, if it isn’t one already. Then, hit the Delete button on your keyboard to get rid of that selected section. Do the same for the rest of the whitespace you want to delete.

Hey, I have long thought that Preview is as powerful as. At least for the basic tasks.

Running on MacOS. I ran the command as you posted and saw a drastic decrease in file size (~3 times if I remember correctly), but the whitespace was still there. I didn't dig into it (and I'm not versed in PNG format), but I can't imagine any way to see such a change in file size without stripping the color depth (although I couldn't tell visually). Perhaps the issue resulted from my image not having a high-contrast border? It was white to light grey. Lunapic had no issues identifying the border and making the background transparent.

This can be any size, but if you want a specific one, search Google for any image of that particular size. Once the image is open in Preview, keystroke ‘Shift+Command+Control+4’. This will enable a cross-hair cursor on your keyboard. Click and drag it over the whole image. Key in “Command + N” which will result in a new file opening with the selection you made earlier. You can also navigate to “File -> New From Clipboard”: 4. Click on “Command + A”, followed by the “Delete” key.

This is a hit-or-miss method which may not work sometimes, but in some cases it will give you quite a smoother way to delete unwanted contents of your image to make it transparent. Note: These tools might not be shown by default. To enable them, simply click on the “Show Edit Toolbar” icon in the Menu bar as shown below: These options might not be the best out there, but for free they are relatively good, especially if you would like to clear an area that is defined by a distinct border. How to Create a Transparent Canvas in Preview: Another method is to create a transparent canvas in Preview, one that will allow you to compile multiple images to create one final image. There are many ways to do this, but the most easy one (albeit a little long) is outlined below: 1. Open an image in Preview according to your clipboard size requirements.

Actions Technical Details The GIF file format was invented by Compuserve for their online service, but they made the specifications publicly available. GIFs are able to hold multiple bitmaps of up to 256 colors each, using LZW (Lempel Zev Welch - a simple form of file compression that removes inefficiencies in the data storage without losing data or distorting the image) compressed raster data to minimize file sizes. The idea is to lessen the amount of colours in a GIF image to the minimum number necessary and to therefore remove stray colors that are not required to represent the image. A GIF graphic is unable to have more than 256 colors but it can have fewer colors, down to the minimum of two (black and white).

How to create Transparent image on Mac. How to create Transparent image in MacOS. Using preview to edit and turn a JPG or PDF file into a PNG file. A simple guide. Create Transparent PNG Image. How to Create Transparent Image Mac OS X. Using preview to edit and turn a JPG or PDF file into a PNG file.

Now you’ll have a nice transparent image, ready to put onto any other image or website where you want to see the background colors through your new image.

– May 15 at 18:24.