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This article introduces the relevant knowledge of "which picture quality is the highest in jpg, png, bmp and tif". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The picture in BMP format is lossless, the quality is the best and the clearest, but the file is large and slow to transfer, so it is not suitable for network applications. Others are compressed, there will be a certain degree of pixel loss after preservation, but the file is small and fast, so it is suitable for applications on the network.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

The pictures in BMP format are lossless and of the best quality.

JPEG: is lossy compression, file drop after the name ".jpg" or ".jpeg".

GIF: a standard format for compressing images with monotonous colors and clear details, such as lines, logos, or illustrations with text.

PNG:PNG uses a lossless data compression algorithm derived from LZ77 and is generally used in JAVA programs, web pages, or S60 programs because of its high compression ratio and small file size.

BMP: is a hardware-independent image file format, widely used, in addition to the optional image depth, does not use any other compression, so the image quality is the best.

Extended data:

A typical BMP image file consists of four parts:

1: bitmap header file data structure, which contains the type of BMP image file, display content and other information

2: bitmap information data structure, which contains information such as width, height, compression method and color definition of BMP images.

3: color palettes, this part is optional, some bitmaps need palettes, some bitmaps, such as true color maps (24-bit BMP) do not need palettes

4: bitmap data, the content of this part varies according to the number of bits used by BMP bitmaps, using RGB directly in 24 bitmaps, while others less than 24 bits use color index values in the palette.

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