Exif Metadata Viewer

The "Metadata Viewer" extension allows you to read metadata headers in image, audio, video, and PDF files. It utilizes the ExifTool library by Phil Harvey to read metadata information in the file header of a wide range of file formats. The extension runs on an isolated window. It can read many metadata including EXIF, GPS, IPTC, XMP, JFIF, MakerNotes, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP, ID3, and Lyrics3.

Features:
Recognizes thousands of different tags
Reads maker notes on many digital cameras
Reads timed metadata (e.g. GPS track) from MOV/MP4/M2TS/AVI videos
Reads structured XMP information.

For a complete list of supported formats visit:
https://exiftool.org/#supported

Source Code:
https://github.com/lunu-bounir/metadata-editor/