![]() PNGs are lossless and it is good for line-art and images with more text and fewer colors. JPEGs are lossy and good for photos and realistic images. Lossless compression means that the image quality is retained, while lossy compression means you lose some of the photo data.Ĭhanging the file type can affect the image quality and compression, so make sure you know which file type to use. There are several important things you should know about compressing photos.įirstly, there are two types of compression: lossless and lossy compression. Method 5: Use a Third-party Image Optimization App.Method 4: Compress Photos in a Word Document.Method 3: Using iPhoto/Photos to Compress an Album.Method 2: Compress a Folder of Photos into a ZIP File.Method 1: Using Preview to Compress One Photo.Compressing Photos: What You Should Know.If you want to compress as many files as you'd like simultaneously, you can pay to upgrade to their Pro plan, and the file size limit goes up to 75 MB for the Pro plan. You can compress up to 20 JPGs or PNGs at once in TinyPNG, as long as they're all under 5 MB and there's no daily limit. TinyPNG is a famous online one-click photo size reducer that uses powerful lossy compression techniques to reduce the size of the images. Below are the top 3 photo compressors in the market, you can try them if you can't compress files or folders on your Mac with the built-in tool and find out which suits your needs best. Of course, if you don't want to use apps to compress photos on Mac or the above 2 apps are not getting your images small enough, there are some online image compressors you can try. How to compress photos on Mac without applications Then, when you make your size adjustment, Preview will apply it to all of the images. Before step 3, make sure you click on one of the thumbnails in the sidebar and then press Command + A on your keyboard to select all. Note: If you want to compress multiple pictures at the same time. If you think this post is useful, please share it with more people, thanks! You can choose what duplicates to delete according to your needs. Then iBoysoft will begin the scanning process and when it finishes, you'll see the duplicate photos and other duplicate files if there are many. Right-click on this folder and click Similar Photos from the context menu. Launch iBoysoft MagicMenu first, then go to the file folder that has a huge possibility to keep duplicate photos. To delete duplicate photos on Mac quickly and easily, you can also use iBoysoft MagicMenu to help you. ![]() If you're like me, loving to take pictures of everything from pets to friends, then your Mac may store more duplicate photos than you know. In addition to compressing a picture on Mac, to free up space on a Mac computer, another thing you can do is deleting duplicate images. Now, you can delete the original image to free up more space on Mac storage. This zip file should be smaller than the original.
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