mat2 — screenshot of metadata.systemli.org

mat2

MAT2 is an online tool I find crucial for scrubbing hidden metadata from files, especially images, before public sharing. It helps ensure privacy by removing potentially identifying information.

Visit metadata.systemli.org →

Questions & Answers

What is MAT2?
MAT2 (Metadata Anonymisation Toolkit 2) is a free and open-source tool designed to remove metadata from various file formats. It helps users protect their privacy by stripping potentially identifying or sensitive information embedded within files before sharing them.
Who can benefit from using MAT2?
MAT2 is beneficial for anyone concerned about privacy and data security, especially individuals, journalists, activists, or professionals who share files online and want to prevent the inadvertent leakage of personal or sensitive information embedded in their documents or images.
How does MAT2 compare to other metadata removal tools?
MAT2 distinguishes itself by being open-source and supporting a wide array of file types, including common image, audio, video, and document formats. Its focus is on thorough anonymization, often stripping more metadata than basic file cleaners, and it can be used both as a command-line tool and through web interfaces.
When is the best time to use MAT2?
MAT2 should be used before publishing or sharing any file online, whether it's an image, document, or other media, that might contain hidden metadata. This ensures that information like geolocation, camera model, author details, or creation timestamps are removed, protecting privacy.
What types of metadata does MAT2 remove?
MAT2 removes various types of metadata, including EXIF data from images, XMP data, ID3 tags from audio files, and creator/modification timestamps from documents. It specifically focuses on metadata that can reveal information about the file's origin, creation, or the device used.