pngcheck

1. pngcheck is a command-line tool used for checking the integrity and validity of PNG image files.
2. It is developed by a company called Archeopteryx Software and is available for various operating systems.
3. pngcheck analyzes the internal structure of PNG files and reports any errors, inconsistencies, or potential issues.
4. It can identify common problems in PNG files such as incorrect chunk order, missing or incorrect signatures, or improper color type usage.
5. The tool also checks for adherence to PNG specification standards and can detect issues like unsupported features or non-conforming compression methods.
6. pngcheck provides detailed information about each problem it encounters, including the specific chunk or segment where the error occurs.
7. In addition to error detection, it can extract various image properties such as image dimensions, bit depth, color type, and file size.
8. The tool supports batch processing, allowing users to check multiple PNG files at once, making it useful for large-scale quality control or automated tasks.
9. pngcheck has a simple command-line interface that accepts options and arguments, making it easy to integrate into scripts or workflows.
10. Overall, pngcheck is a valuable utility for developers, designers, and anyone working with PNG images to ensure their files are valid, error-free, and compliant with PNG standards.