The drawback to this is that you will need to upload your images one by one as there is no bulk uploading options available. To losslessly compress your images, go to Compressor.io and select 'lossless' under the 'Choose Your Compression' option before uploading your file. Lossy compression is done using PNGQuant and Lossless compression using OptiPNG. Compared to formats with lossy compression such as JPG, choosing a compression setting higher than average delays processing, but often does not result in a. One other alternative, is to use Compressor.io which is a free online service offering both lossy and lossless compression for PNG images. But again, both these are command line applications and there is no GUI alternative (for windows) available for these as of now.Ĭheck out this article to find even more ways to compress PNG images. Some other free alternatives for lossless compression are PNGCrush and OptiPNG. If you would like to try that out, here is a tutorial on using PNGOUT using command line. The free open source version of this software is PNGOUT but it is a command line application. The cost for a single user thereafter is $14. If you wish to reduce your PNG file size drastically, you might need to use lossy compression. However, you can still end up with a relatively large file size. The recommended PNG compression method to preserve transparency, similar colors and quality is lossless. This software a paid software and comes with a one month free trial. How much your PNG file size will be reduced depends on compression level and type. One of the best lossless compression software which I personally recommend is PNGOutwin. This can compress your PNG images by an additional 5% to 10% without any additional loss in quality. Getting Even More CompressionĪ simple way to compress your images even further is to optimize your lossy compressed images using a lossless compression software. So if you set your color settings to '64 colors', all your selected images will be reduced to 64 colors. Note: The color settings option is applicable to all images in your selected list. But in-case you want even further compression, click on ' Color Settings' under ' Compression Options' and experiment using lower color settings for your images. Step 3: At this point, you can click on the Go button and all your images will be optimized to a 256 color palette. If not, click on ' Browse' and select a directory where you would like the optimized/compressed images to be saved in. Step 2: If you want to overwrite your original PNG images, then click on the ' Output to Same Directory (Overwrite PNGs)' Option. You can select as many images as you want. Step 1: Click on Add Files and select PNG images that need to compress. Here are the steps on how you can use PNGoo to compress your images. Double click on this application file to open the software. Once downloaded, unzip the file and you should be able to see a folder named 'libs' and an application file named ' PNGoo'. To start off, you can download PNGoo by visiting website and then clicking on PNGoo link under the GUI section. In this article, I will be discussing PGNoo for windows users. Compression type : Lossy Lossless Custom. Compressed images are fully standards-compliant and are supported by all web browsers and operating systems. In addition to these, the software also has a plugin for photoshop uses known as SuperPNG. Fast & efficient image compression Optimize JPEG, PNG, SVG, GIF and WEBP. Lossy PNG compressor that significantly reduces file sizes by converting images to a more efficient 8-bit PNG format with alpha channel (often 60-80 smaller than 24/32-bit PNG files). PNGQuant is a command line application and if you are not familiar with command line a simple alternative is to use PNGoo which is a GUI application for windows or PNGYu for Mac users. Let's see how you can use PNGQuant to compress your PNG images for the web in this short tutorial. It goes without saying that optimized images load relatively faster saving you bandwidth and improving user experience. The resultant images can be reduced to more than 70% of their original size with minimal loss in quality. This software uses lossy compression and converts PNG images into an optimized 256 color PNG-8 format. If ( = HttpStatusCode.PNGQuant is by far the best free PNG optimization software on the net. Var connection = Connection.Create("your-api-key", "your-api-secret") Log.Println("Success, Optimized image URL: ", data) Log.Println("Failed, error message ", data) Kr, err := kraken.New("your-api-key", "your-api-secret") Puts 'Success! Optimized image URL: ' + data.kraked_url ![]() Optimized image URL: %s", status.kraked_url) Ĭonsole.log("Fail.
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