Support for reading/writing 'tEXt' and 'zTXt' chunks of PNG files. Support command line interface. Support import png_metadata in Python. add_metadata, remove_metadata, clear_metadata, print_metadata ...

Imagine a digital chameleon: a file that combines ZIP, HTML, and PNG into one versatile format. It can be displayed as a web page, unzipped to obtain all the page's resources, or viewed as an image.

Researchers have discovered a relatively new way to distribute malware that relies on reading malicious obfuscated JavaScript code stored in a PNG file’s metadata to trigger iFrame injections.