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Photo editor | PicMonkey: Free Online Photo Editing Quiz Revolution - Most Popular Quiz Maker, Make a Quiz or Survey, Create a Fast Quiz or Survey Web Designer’s Guide to PNG Image Format Once upon a time, there was the mighty GIF image format, the most popular type of image compression for web graphics. Then, it was announced that software programs using GIF would require a license (this was because of the Unisys patent for the LZW compression method used in GIF). This change sped up the development for its successor: the PNG format. PNG, which stands for Portable Network Graphics, gained popularity and, nowadays, it’s probably the most used image format when it comes to web design, alongside JPEG. In this guide, we will cover everything you, as a web designer, need to know about the PNG image format. Understanding Digital Image Formats There are many digital image formats available for you to use, but only some of them are optimized for web use. Why are certain image formats suitable for the web, while others aren’t? Compression Methods There are two general kinds of image compression methods: lossy and lossless. PNG uses a lossless compression algorithm. PNG-8 and PNG-24
Image Crop Tool. Design & Development: Inklude.com ImageAlpha - GUI for PNG8+alpha image converters Free Watermark. Add Custom Watermark. Protect Your Photos and Images - PicMarkr Postcard Creator The Postcard Creator helps students learn to identify all the typical parts of a postcard, and then generate their own postcard messages by typing information into templates. Students fill in the address, details on the postcard's artwork, and the postcard message. The finished postcard can then be previewed, edited, and printed. After printing their texts, students can illustrate the front of their postcards in a variety of ways, including drawing a picture, creating a collage of images, or printing and pasting clipart in place. The tool is easy to use, made even easier with the Postcard Planning Sheet, a printable PDF students can use to draft and revise their work before creating and printing their final postcards on the computer. Related Classroom & Professional Development Resources back to top Grades K – 12 | Student Interactive | Writing & Publishing Prose Letter Generator Grades K – 12 | Mobile App | Writing & Publishing Prose RWT Postcard Creator
WebP WebP is a modern image format that provides superior lossless and lossy compression for images on the web. Using WebP, webmasters and web developers can create smaller, richer images that make the web faster. WebP lossless images are 26% smaller in size compared to PNGs. WebP lossy images are 25-34% smaller than comparable JPEG images at equivalent SSIM quality index. Lossless WebP supports transparency (also known as alpha channel) at a cost of just 22% additional bytes. For cases when lossy RGB compression is acceptable, lossy WebP also supports transparency, typically providing 3× smaller file sizes compared to PNG. More Info for Webmasters How WebP Works Lossy WebP compression uses predictive coding to encode an image, the same method used by the VP8 video codec to compress keyframes in videos. Lossless WebP compression uses already seen image fragments in order to exactly reconstruct new pixels. WebP Compression Techniques in Detail WebP Support WebP Converter Download
Using Curves in Photoshop When you need to adjust the contrast, your first choice for the job is should be levels. However, when there is no spare room at the ends of the histogram, it's time to turn to the 'curves' tool where you can adjust selected parts of the tonal range. You can open the 'curves' window by using the keyboard shortcut ctrl+M in windows or cmd M on a Mac. Alternatively you can find it under enhance->adjust color in Elements or image->adjustments in Photoshop. Although there is a separate 'brightness' & 'contrast' window, the 'curves' adjustment is a more professional option as you can really see what you are doing. Here's a simple video tutorial showing how it's done:- These videos are best viewed on a screen with greater than 1280x720px. | View more of my videos via my Youtube channel.