ImageMetaCheck guide

What Is EXIF Data?

EXIF stands for Exchangeable Image File Format. Cameras and phones can write this structured metadata into an image so software can understand how and when it was captured.

01

What EXIF can contain

Common fields include the camera and lens model, date and time, exposure, aperture, ISO, focal length, orientation, and sometimes GPS coordinates. A file does not need to contain every field, and values can be changed or removed.

02

Why EXIF matters

Photographers use EXIF to study settings and organize work. The same data can also expose a capture date, editing workflow, or location. Check the final file you will publish rather than assuming an earlier copy and an exported copy match.

What a metadata result can and cannot prove

ImageMetaCheck reads supported metadata fields from the file you select, inside your browser. An absent EXIF or GPS result means those fields were not detected in this copy; it is not proof that every original, backup, XMP field or proprietary camera field is empty. Metadata can be edited and does not establish image authenticity. Compare the original and the final exported file when privacy or capture de

References and further reading