EXIF, short for Exchangeable Image File Format, is a block of information that cameras and phones write into every photo they take. Japanese camera-industry bodies created it in the 1990s so that devices and software could share technical details about a picture, and it is still the standard way to do that. It also records your device, the time and, on most phones, your location, which is why it matters for privacy.
What EXIF contains
A typical phone photo carries dozens of tags. These are the ones that matter most.
| Tag | Example | What it reveals |
|---|---|---|
| Make, Model | Apple, iPhone 15 | Your device |
| LensModel | iPhone 15 back dual wide camera | Which camera on it you used |
| DateTimeOriginal | 2026:09:28 18:42:10 | When the photo was taken |
| OffsetTimeOriginal | +05:00 | The time zone, so roughly where in the world |
| GPSLatitude, GPSLongitude, GPSAltitude | 24 deg 51' N, 67 deg 0' E, 12 m | Exactly where, often to a few metres |
| GPSImgDirection, GPSSpeed | 212 degrees, 0 km/h | Which way you faced and how fast you moved |
| Software | 17.1 | The operating system or editing program |
| BodySerialNumber, LensSerialNumber | 0123456789 | The individual camera, on cameras that record it |
| Artist, Copyright | A. Khan | A name you set in the camera |
| ExposureTime, FNumber, ISO, FocalLength | 1/120 s, f/1.6, ISO 125, 6.9 mm | Camera settings. Harmless |
| Orientation | Rotate 90 CW | How to turn the picture upright. Needed |
| ThumbnailImage | A small JPEG | A preview that can outlive edits to the main picture |
Where EXIF lives in the file
EXIF sits in the file’s header, next to the picture rather than inside it. In a JPEG it is a segment that starts with the letters “Exif”. PNG stores it in an eXIf chunk and WebP in an EXIF chunk, HEIC photos keep it in a metadata item, and TIFF and most RAW formats are built on the same structure. Because it is stored beside the image, it can be removed without touching a single pixel.
Why it matters
- Location. A photo taken at home and shared as an original file tells the recipient where you live.
- Routine. A series of photos with dates and places shows when you are home, at work or away.
- Identity. Serial numbers and owner fields tie photos to one camera and sometimes to a name.
- Context you did not intend to share, such as the editing software you use or the time zone you are in.
Large social networks usually remove location from the copy they show others, but they receive your original first, and email, messaging apps in file mode, forums, cloud links and many websites pass the original along untouched.
How to see what your photos contain
- Windows: right-click the file, Properties, Details.
- Mac: open it in Preview, Tools, Show Inspector, then the More Info tab and the GPS tab.
- iPhone: open the photo in Photos and swipe up to see the camera and the place.
- In your browser: our EXIF viewer lists every field without uploading the photo.
- With a command line:
exiftool -a -G1 -s photo.jpgprints everything it can find.
EXIF, IPTC and XMP
EXIF is written by the camera and holds technical data and GPS. IPTC is a set of descriptive fields such as caption, credit and copyright, usually filled in by people and agencies. XMP is Adobe’s flexible XML format, which can carry both of those plus editing history and, in newer files, labels that say an image was made with AI. A photo can contain all three, and a proper cleaner removes all of them. The AI metadata guide covers the newest layer.
When to keep it and when to remove it
EXIF is useful. Photographers sort their libraries by date and lens with it, insurers and investigators use it as evidence, and it lets maps and albums arrange your pictures. Keep it in your own archive.
Remove it from copies that leave your hands: photos you send to people you do not know well, sell things with, post on a forum or a website, submit to a contest that does not need it, or share from a place you would rather keep private. The safest habit is to clean a copy before sharing and keep the original.
How to remove it
Drop the photos on the image metadata remover. It removes EXIF, GPS, XMP and IPTC in your browser, copies the picture data unchanged so quality does not change, keeps the rotation so portraits stay upright, and checks the result. If you only want the location gone, read how to remove GPS location from photos for the options built into your phone and computer.