PNG (Portable Network Graphics) is a file format used for storing raster images on computers. It was developed as an improved alternative to GIF with better compression and no copyright limitations.
- Uses lossless compression to maintain image quality.
- Commonly used for web graphics and transparent images.
- Supports millions of colors and transparency.
- Provides better quality than GIF images.
- Widely supported across browsers and platforms.
Characteristics of PNG
PNG provides high-quality image storage with efficient compression and optimization features.
- File size depends on factors like color depth, compression, filters, interlacing, and ancillary chunks.
- PNG supports lossless compression and can also use lossy optimization to reduce file size.
- Image editors like Adobe Photoshop provide PNG optimization features.
- PNG files can be optimized by removing unnecessary chunks and improving compression.
- Using smaller color palettes can reduce file size significantly.
- Optimizing filters and Deflate compression improves PNG performance and storage efficiency.
Advantages of PNG
PNG offers high-quality image storage with efficient compression and broad compatibility.
- Portability: Transmission is free of the program and equipment platform.
- Completeness: It’s conceivable to speak to true color, indexed color, and grayscale images.
- Efficiency: Any dynamic picture introduction, compression, and sifting look for productive translating and presentation.
- Compression: Pictures can be compressed effectively and consistently.
- Easiness: The execution of the standard is easy.
- Interchangeability: Any PNG decoder that takes after the guidelines can peruse all PNG information streams.
Disadvantages of PNG
PNG provides high image quality but may not be suitable for all use cases.
- Less expansive pictures: Not great for expansive pictures since they tend to create an expansive file size.
- Higher Records: Sometimes makes more expensive records than JPEG.
- No Animation: Cannot be animated.
- Less Compatible: Not all web browsers can back PNG.
Uses of PNG
PNG is widely used for storing high-quality digital images and graphics.
- PNG is used to save the image which is generally photoshopped.
- PNG is used to create graphs, blueprints, etc.
- PNG helps in scanning texts such as journals, letter works, newspapers, etc.