Best answer: Where do PNG files come from?

Many types of computer users may encounter PNG files, whether it be downloading an image from a website, receiving a digital photo attached to an email, or taking a screenshot on a computer. Graphics professionals commonly save graphics as PNG files for use on the web.

Who created PNG?

The Story of PNG actually begins way back in 1977 and 1978 when two Israeli researchers, Jacob Ziv and Abraham Lempel, first published a pair of papers on a new class of lossless data-compression algorithms, now collectively referred to as “LZ77” and “LZ78.

Are PNG files dangerous?

png. 90% of the time these files are absolutely safe but sometimes they can be dangerous. Certain black hat hacking groups how found ways that they can sneak data and scripts inside of an image format.

What are PNG files used for?

A portable network graphic, or PNG, is an image file type used to offer a clear background or a partially transparent image, and is therefore used primarily for web design.

What are the disadvantages of using PNG?

The disadvantages of the PNG format include:

  • Bigger file size — compresses digital images at a larger file size.
  • Not ideal for professional-quality print graphics — doesn’t support non-RGB color spaces such as CMYK (cyan, magenta, yellow and black).
  • Doesn’t support embedding EXIF metadata used by most digital cameras.
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Can you put a virus in a PNG?

png files – Quora. there is no virus that can hide himself (or herself) in png format, sure you can store data in some portions of the png which -the data- is encoded in zip compression scheme, but storing a full functional virus is so impossible.

Can anyone open a PNG file?

A PNG file is a file format image used by many editing programs and software. … There shouldn’t be any problem with opening or using the PNG file format on any operating system. It is a standard file type. You can open it with native computer image software, such as Windows photo viewer.

Which is better JPEG or PNG?

PNG is a good choice for storing line drawings, text, and iconic graphics at a small file size. JPG format is a lossy compressed file format. … For storing line drawings, text, and iconic graphics at a smaller file size, GIF or PNG are better choices because they are lossless.

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