Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel. 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. Multi-page scanning. 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. 5. @jwenting: I agree. Limitations of the GIF prompted the creation and prevalence of the PNG. I save the NEF, work on a TIFF, and save a copy of that as JPEG for printing which gets archived for future duplication. PNG files are mostly for digital image files and they utilize document compression, but not as much as JPEGs do. However, these two formats are not identical, neither in terms of data, compression, and … PNG (Portable Network Graphics) PNG, originally created as an improved replacement for GIF, is a popular format used by photographers and graphic designers. So images low on detail and with few tones will compress much more than images with lots of detail and lots of different tones. The shop I use accepts only JPEG (and by now I think PNG). But, if you’re scanning a document with text in it or lines then PNGs can be good because they’re considered “lossless”, meaning they will produce a less pixelated file. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Apparently Aperio's .svs format is a compressed multi-page TIFF with nonstandard metadata. PNG is a lossless image format using DEFLATE compression. TIF or TIFF (Tagged Image File Format) PNG files can be also be shared on the web. When to Use TIFF . 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. That’s because the format supports lossless data compression, which means a lot of information is retained when you save and reopen your images. TIFF also preserves layers, alpha transparency, and other special features when saved from Photoshop. PNG (Portable Network Graphics), an extensible file format for the lossless, portable, well-compressed storage of raster images. Moreover, TIFF makes it possible to create any desired kind of digital images. 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. 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). 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. Feel free to work with it in any photo editing software to improve pictures. Like JPEG, it can support 16 Million colors (16,777,216 or 24-bit color). ZIP vs LZW TIFF Compression: Real-World Examples Compression algorithms are most efficient when they can group a lot of similar data. 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 extension of PNG files is .PNG. TIFF-G4, for example, is used for black & white scans, while TIFF-LZW is designed for handling bi-tonal and color image scans. Be ready, TIFF images will occupy a lot of space on your device. – jwenting Apr 14 '11 at 6:51. You can scan multi-page documents as a single page with TIFF. TIFF, like RAW, is the best image file format. You should use a TIFF if: A high-quality print graphics is necessary. 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