What is file metadata and how to safely delete it before publication?
Metadata is hidden information that is automatically embedded into files at the moment of their creation or editing. For example, photographs contain data about the camera brand, geolocation, shooting time, and lens parameters, while Microsoft Office documents store change history, author names, and organization titles. Publishing such files online can expose your confidential information to attackers.
Removing metadata before making files publicly available or transferring them to third parties is an essential element of digital hygiene. There are specialized cleanup methods for different types of files that allow you to keep the content itself while completely erasing the digital footprint.
Steps for cleaning metadata:
Following this simple habit will prevent accidental leaks of personal data and protect your privacy from unwanted digital profiling.