Why png format

Head of Marketing and mastermind at Logaster. Values the professional approach while being able to explain complex ideas in a simple way.

Use the Logaster logo maker to quickly launch your company. Type in your business name and get a professional branding package in 60 seconds! Design Your Brand Identity Enter company name. Create a logo. Like the term indicates, lossless compression retains all of the data contained in the file, within the file, during the process. Lossless compression is necessary when you have images that are still in the editing process. 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. If you are still curious, you can learn more about image file formats in this blog post, Understanding Image File Formats. Have you created or edited images or pictures before?

Try it free— download a trial today. Follow her on Twitter allisonboats She can often be found aimlessly wandering around local craft stores. Personal motto: "Work hard, stay humble. Skip to content. Qualifying questions There are two main questions to ask yourself when you decide which image file format to use. The answers to these questions will help guide you to select your optimal file type.

Pre-compression filters are applied to prepare the image data for optimum compression. PNG filter method defines five basic filter types as follow:.

Filter Type Name Predicted Value 0 None The scanline is transmitted unmodified 1 Sub Transmits the difference between each byte and the value of the corresponding byte of the prior pixel. Filtering algorithms are applied to bytes , not to pixels, regardless of the bit depth or color type of the image. The filtering algorithms work on the byte sequence formed by a scanline.

If the image includes an alpha channel, the alpha data is filtered in the same way as the image data. When the image is interlaced, each pass of the interlace pattern is treated as an independent image for filtering purposes. Filtering is not applied when this subimage is empty.

Table of Content. What is a PNG file? The same became a W3C Recommendation in October December Version 1. August Version 1. This version of PNG differs only slightly from version 1.