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EXIF Data

Tool to extract / read the EXIF data stored in the metadata of an image (or file). EXIF (Exchangeable image file format) allows the recording of metadata about the file.

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EXIF Data -

Tag(s) : Image Processing

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EXIF Data

EXIF Data Extractor

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EXIF Data Remover

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Answers to Questions (FAQ)

What is EXIF data? (Definition)

EXIF data (Exchangeable Image File Format) is information embedded in digital image files, such as photos, to provide additional detail. This information includes metadata such as the date and time of the shot, camera settings, geolocation and many more.

How to read EXIF metadata?

Choosing and uploading an image file containing EXIF data and / or XML metadata to extract and dCode will automatically read whatever is included in the file if there is any, otherwise no results will be returned.

The data in the image files is linked to various information on it such as the author, the photographer, the camera used, the location, etc.

Example: The following JPG image contains a user comment dCode exif.jpg

The extraction of EXIF data is exhaustive, but some data may be unreadable.

Almost anything can be stored in these metadata fields, including fake or unrelated data. There is even an exif thumbnail field for storing an image in the image.

To save bandwidth (and sometimes to protect privacy), metadata is often removed on images available on the Internet.

How to remove EXIF metadata?

Upload a file and click on the Delete button.

A simple method is sometimes to re-save the image, many software ignore metadata.

Image compression software almost systematically deletes EXIF data because it takes up space deemed useless.

Why using EXIF data?

EXIF data is used for various purposes. They store valuable information about the shot, such as camera settings, lens used, exposure, white balance, etc. This information can be useful for photographers to analyze and improve their techniques, or for users to organize and sort their image collections.

Metadata can also be used to store any text, so ideal for hiding secret messages not visible at first sight.

Where is EXIF data stored?

EXIF data is stored inside the files. Image formats usually have metadata compartments in their format specifications.

What is the APP1 marker?

The EXIF metadata format uses a marker inside image files, and APP1 is the one that is generally used to store EXIF data.

What are the differences between EXIF data and IPTC data?

EXIF data and IPTC data are two types of metadata used in digital photography. EXIF data is generated automatically by the camera and contains technical shooting information, while IPTC (International Press Telecommunications Council) data is metadata added manually by the user and contains editorial information such as the title, description, copyright, etc.

Source code

dCode retains ownership of the "EXIF Data" source code. Except explicit open source licence (indicated Creative Commons / free), the "EXIF Data" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "EXIF Data" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "EXIF Data" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Cite as source (bibliography):
EXIF Data on dCode.fr [online website], retrieved on 2024-06-25, https://www.dcode.fr/exif-data

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