JPEG, JPG	EXIF, GPS, XMP, IPTC, comments, thumbnails
PNG	tEXt, iTXt (XMP), eXIf, tIME
WebP	EXIF, XMP
GIF	Comments, XMP
SVG	Metadata, comments, editor data
HEIC, AVIF, BMP, TIFF	All (re-encoded as PNG, if the browser can decode it)
PDF	Author, creator, producer, dates, XMP
DOCX, XLSX, PPTX	Properties, custom properties, thumbnail, image EXIF
ODT, ODS, ODP	meta.xml, thumbnail, image EXIF
EPUB, ZIP	Timestamps
MP3	ID3v1, ID3v2
FLAC	Vorbis comments, cover art
WAV, AIFF, AVI	INFO, bext, iXML, ID3
MP4, MOV, M4A	GPS, tags, XMP, dates
RTF	Info block
HTML	Comments, author and generator tags
TXT, CSV, JSON, MD	-
MKV, WebM, OGG, Opus	-
RAW (CR2, NEF, ARW, DNG)	-
7z, RAR, encrypted files	-