Exchangeable Image File Format (Compressed) 2.21

Partly documented

image

Exchangeable image file format (Exif) is a standard that specifies the formats for images, sound, and ancillary tags used by digital cameras (including smartphones), scanners and other systems handling image and sound files recorded by digital cameras.

Identify it

Extensions	`.jpg.jpeg`
MIME types	`image/jpeg`
Signatures	`ffd8ffe1` at byte 0 (EXIF Compressed Image 2.21 (big-endian))
PRONOM	`fmt/645`
Wikidata	`Q26385158`

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Open it

Canon EOS 5Dwrites
Canon EOS 5D Mark IIwrites
Canon EOS 5D Mark IIIwrites
Canon EOS 5D Mark IVwrites
Adobe Bridgereads · commercial software

Convert it

No conversion recorded. One of the tools above may export it; search for a chain.

Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/image/exif.ksy

Sources

Kaitai Struct: exif
PRONOM fmt/645
Wikidata Q26385158

From Kaitai Struct format gallery, PRONOM, Wikidata. Updated 2026-10-24.

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