Exploring EXIF (2023)
3 days ago
- #EXIF
- #Photography
- #Metadata
- The author has taken 73,281 photos over 14 years using an iPhone.
- Photos contain embedded metadata called EXIF (Exchangeable Image File Format).
- EXIF data includes location, time, date, lens details, exposure, ISO, and aperture.
- Many tools and apps, like iOS 16, can display this metadata.
- EXIF data is stored at the start of the image file, marked by FFE1 after the JPEG Start of Image marker (FFD8).
- The article explores the contents of a photo and ways to interact with EXIF data.
- A visualization tool allows users to view EXIF data from personal or provided images, with all processing done client-side using the ExifReader library.