Glossary

What is EXIF

Short answer

EXIF is a standard for technical metadata recorded by cameras, such as date, device, exposure and location. CIPA and JEITA manage the standard jointly, and Exif 3.0 was published in 2023. A DAM reads EXIF on ingest for search and sorting, and should strip GPS coordinates on export whenever images show private places or people.

How EXIF works in a DAM

EXIF data is written by the camera or phone at capture and stored inside the image file as tagged values. Typical tags include the original capture date and time, camera make and model, lens, exposure time, aperture, ISO, image orientation and GPS position.

A DAM uses EXIF in four ways:

  • Search and sorting: users filter by capture date, device or lens.
  • Display: the DAM rotates images correctly from the orientation tag.
  • Quality checks: pixel dimensions and colour space flag files too small for print.
  • Privacy control: export profiles remove GPS tags before files leave the organisation.

Fact: Exif 3.0 added a UTF-8 data type, so text fields such as Artist and Copyright can hold non-English characters. Earlier versions required ASCII text.

Example of EXIF

Worked example: a studio shoots 300 product images on two cameras. On ingest, the DAM reads the capture date and camera model from EXIF and stores them in read-only technical fields.

A marketing manager later uploads phone photos from a store visit, and those files carry GPS coordinates. The DAM keeps the coordinates for internal use, and the external portal profile strips them from every download.

EXIF in a DAM selection

EXIF belongs at checkpoint 2, Define, where the buyer decides which technical fields to index and which to remove on export. The security requirements guide covers the privacy side, and the metadata model builder lists the technical fields.

Test these four behaviours at checkpoint 5, Test:

  1. Ingest a phone photo with GPS data and show which EXIF fields the DAM indexes as searchable.
  2. Download the same photo through an external share and confirm the GPS tags are gone.
  3. Ingest an image with a rotation tag and show correct display in grid and preview.
  4. Download the master and confirm that internal EXIF data stays complete.

DAMSelection assessment: GPS stripping on external export belongs in the security requirements, because location data in a public file can reveal where a person lives or works.

Common mistakes with EXIF

EXIF handling fails through four common mistakes.

  • Treating the EXIF capture date as the upload date, or the reverse, in search filters.
  • Publishing GPS coordinates through brand portals and public CDN links.
  • Relying on EXIF copyright fields for rights. IPTC and XMP carry rights data in a richer, structured form.
  • Assuming every file has EXIF. Scans, 3D renders and AI-generated images often carry none.

Related terms: XMP, IPTC.

Frequently asked

Does a DAM remove EXIF location data?

A DAM removes EXIF location data only when an export profile or rendition setting tells it to. Default settings differ by system and by download type. Ask the vendor to strip GPS on an external share in the demo and inspect the downloaded file yourself.

What is the difference between EXIF and XMP?

EXIF records technical capture data written by the camera, such as exposure, device and date. XMP is a broader container for descriptive and rights metadata, often added after capture. A DAM reads both and keeps them in separate field groups of the metadata schema.

Sources

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