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If you are still curious, you can learn more about image file formats in this blog post, Understanding Image File Formats. There is no right or wrong answer! Think of your choice as a process of optimization, and allow the factors we covered guide you in your decision. It’s also ideal to use a PNG for a graphic image, such as the icon below, which is used on the TechSmith Snagit product page. Felis silvestris silvestris small gradual decrease of quality.png. PNGs are often used if size is not an issue and the image is complex, because a PNG file holds more information than a JPG. JPEG is a commonly used method of lossy compression for digital images, particularly for. Lossless compression is necessary when you have images that are still in the editing process. Like the term indicates, lossless compression retains all of the data contained in the file, within the file, during the process. This allows you to have a transparent background around an irregular-shaped object and avoid a white (or other colored) box outlining your image. If you require transparency, you’ll definitely want to opt for a PNG.įile compression for a PNG is lossless. Limitations of the GIF prompted the creation and prevalence of the PNG.Īn important benefit, and oftentimes deciding factor for using a PNG file, is that–unlike a JPG–they support transparency. The PNG file format, usually read aloud as ping, was created in the mid-1990’s to act as a replacement for the Graphics Interchange Format (GIF). However, those with slower internet connections or older, less powerful computers will thank you for your consideration. As broadband internet connections become more universal, this is becoming less of an issue. This is useful for web images, as the smaller size will increase the speed at which the page loads. Beyond the initial saving as a JPG, there are tools that will allow you to shrink the file further. A JPG does, however, allow you to create smaller file size than you could with a PNG.Ī JPG should be used in any situation when it’s important to have a small file. The reason is because the compression is lossy, which means that certain unnecessary information is permanently deleted. Some quality is compromised when an image is converted to a JPG. The group realized a need to make large photographic files smaller, so that they could be more easily shared. The JPG image file type, typically pronounced j ay-peg, was developed by the Joint Photographic Experts Group (JPEG) in 1992. The answers to these questions will help guide you to select your optimal file type. Second, how do you plan to use this image? Will it be published on a company website? Or, will it be for your own personal use?

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There are two main questions to ask yourself when you decide which image file format to use.įirst, what type of image is it? Is it a casual picture of your dog, or a detailed graphic with a professional purpose? Will it need to be altered or resized from it’s current state? Fear not! This post will cover two of the most popular file format options, JPG vs. With multiple options to save or export your images, the decision can seem complicated. There is no one-size-fits-all for image file formats. It can be downloaded from its sourceforge page at.

The resulting image will be identical to the original visually, but can end up being much smaller. Pngcrush is a command-line application that reduces the size of PNG files losslessly.Trimage is a Linux based image compressor.

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PNGGauntlet is a Windows PNG image compressor Top Best Free Video Compressor Softwares For Windows 7, 8.

#PNG IMAGE COMPRESSOR SOFTWARE FREE DOWNLOAD MAC#

ImageOptim is a Mac based only image compressor.

These tools don't lose any quality, they only re-compress images and remove invisible metadata:

CompressPNG is a tool that allows to reduce the palette size to any value between 2 and 256 colors.

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pngquant is a command-line tool that can reduce large 24-bit PNG to small 8-bit PNG with full alpha transparency.

You can often reduce size by 40-60% without noticeable loss in quality.

ImageAlpha is a Mac tool that can reduce PNG files using pngquant, pngnq and posterization.

Way2enjoy is another online tool that uses same lossy compression to reduce the size of PNG, JPEG & GIF images.

TinyPNG is an online tool that uses lossy compression to reduce the file size of PNG images.

Depending on the tool and the amount of compression used, the changes in quality may or may not be noticeable. These tools provide the greatest file size savings, but will reduce the quality of the file as a consequence. The following is a list of third-party compression tools that can be used to reduce the file size of a PNG file.