PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. 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). Apparently Aperio's .svs format is a compressed multi-page TIFF with nonstandard metadata. In terms of image formats, there are two kings of the hill in the world of digital imaging: the PNG and the JPG (or JPEG) formats. PNG files can be also be shared on the web. You can scan multi-page documents as a single page with TIFF. PNG (Portable Network Graphics), an extensible file format for the lossless, portable, well-compressed storage of raster images. PNG is a lossless image format using DEFLATE compression. That’s because the format supports lossless data compression, which means a lot of information is retained when you save and reopen your images. PNG files are mostly for digital image files and they utilize document compression, but not as much as JPEGs do. Multi-page scanning. Like JPEG, it can support 16 Million colors (16,777,216 or 24-bit color). Limitations of the GIF prompted the creation and prevalence of the PNG. ZIP vs LZW TIFF Compression: Real-World Examples Compression algorithms are most efficient when they can group a lot of similar data. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel. Moreover, TIFF makes it possible to create any desired kind of digital images. The vast majority of images you will see around the web are either the former or the latter (JPG vs PNG), and to an inexperienced eye, the differences may look negligible. TIFF-G4, for example, is used for black & white scans, while TIFF-LZW is designed for handling bi-tonal and color image scans. No data is lost during compression and no compression artefacts are introduced in the image. When to Use TIFF . It is commonly used in the layout of newspapers, magazines and the like, because a TIFF (or TIF) will appear on the printed page just as it appears on a computer monitor. The shop I use accepts only JPEG (and by now I think PNG). You should use a TIFF if: A high-quality print graphics is necessary. The extension of PNG files is .PNG. TIFF also preserves layers, alpha transparency, and other special features when saved from Photoshop. @jwenting: I agree. 5. TIFF (Tagged Image File Format) is suitable for any type of bitmap (pixel-based) images destined for print because this format uses that industry's CMYK color standard. Be ready, TIFF images will occupy a lot of space on your device. PNG (Portable Network Graphics) PNG, originally created as an improved replacement for GIF, is a popular format used by photographers and graphic designers. For this reason, a PNG image would retain higher quality than an image than JPEG and would look a lot sharper, it would also occupy more space on the disk. I save the NEF, work on a TIFF, and save a copy of that as JPEG for printing which gets archived for future duplication. This makes the scanning process far more expedient than scanning documents as a multi-page TIFF … So images low on detail and with few tones will compress much more than images with lots of detail and lots of different tones. Feel free to work with it in any photo editing software to improve pictures. TIFF produces large files, thanks to a common resolution of 300 ppi with no quality loss. When comparing TIFF vs PNG, similar to PNG, TIFF can be a lossless format, which means that essentially, what you see is what you get. 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