About tool:
EU WeVerify project's web image-verification suite — runs ELA, double-quantisation, ghost detection, GPS extraction and reverse-search in one place.
Free Windows app that decodes the internal structure of JPEG and other image files — exposes quantisation tables that fingerprint the originating camera or editor.
Coalition for Content Provenance and Authenticity — open technical standard for cryptographically signing the origin and edit history of digital media.
