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?
Lossless png compressor professional#
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. Privacy PolicyĪ is a sister website of, it focuses on converting files instead of compressing files.There is no one-size-fits-all for image file formats. That's how compresses PNG images online.Ĭopyright © 2023 - A universal file compressor. 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 significantly smaller file size.Įven though PNG has been designed as a lossless format, PNG encoders can pre-process image data in a lossy fashion (so as to reduce colors used) to improve PNG compression. PNG uses DEFLATE, a non-patented lossless data compression algorithm involving a combination of LZ77 and Huffman coding. PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF).
Lossless png compressor portable#
Portable Network Graphics is a raster-graphics file-format that supports lossless data compression. Use this PNG compressor to compress PNG images for displaying on website, sharing on social media or sending by email.
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