Five unsuitable image formats for packaging bag design
Many people encounter various image formats daily, such as PNG, BMP, GIF, and JPEG. However, we often don't know the meanings of these abbreviations or which image formats are more suitable for packaging bag printing production.

How can you print ideal packaging bags? Shunxingyuan Packaging, a professional flexible packaging manufacturer, has compiled five unsuitable image formats for printing to help you be more efficient in packaging bag design.
1. Some image formats are more suitable for use on screens and the internet. For example, PNG (Portable Network Graphics) can contain image elements such as RGB, indexed colors, and transparency. Although PNG images can achieve high resolution, they do not support CMYK color space.
2. The Windows format BMP (Bitmap) supports color depths from 1-bit (black and white, no grayscale) to 32-bit (millions of colors), but it does not support CMYK, so it is also unsuitable for printing.

3. GIF (Graphics Interchange Format) is only suitable for use on the internet because its original resolution is relatively low, and it can only display up to 256 colors. Therefore, never use GIF images in printing.
4. The name JPEG (Joint Photographic Experts Group) comes from the committee that created it and enjoys a very high reputation in the printing industry. It is a lossy compression algorithm; in other words, to generate a smaller digital file, it discards some information in the image.
5. If an image has a sufficiently high resolution, printing using a slightly compressed JPEG file will not significantly damage the image quality. However, if too much information is compressed, rectangular areas in the image will be deformed, especially in detail areas.

Therefore, packaging bag printing is not an arbitrary process. Only by choosing the correct image format can a solid foundation be laid for perfect printing production.

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