metaclean

https://github.com/26zl/metaclean

metaclean is a small Ruby CLI that wraps ExifTool, mat2, qpdf and ffmpeg to strip removable embedded tags (EXIF, IPTC, XMP, GPS, MakerNotes, ID3, document properties, etc.) from images, audio, video, PDFs and Office documents — and shows a before/after diff of what was removed.