If you are doing an OSINT investigation or verification of information you will probably come across a situation where you need to

This online metadata viewer will show you all hidden metadata info of audio, video, document, ebook & image files. Online exif data viewer without installation!

A document metadata spider. Contribute to hatlord/Spiderpig development by creating an account on GitHub.

The InVID project develops a video verification platform to detect emerging stories and assess the reliability of video content spread via social media.

IrfanView ... one of the most popular viewers worldwide.