How-ToGuide
How to Check a Photo's Metadata Before Sharing It
A photo carries more than the picture. Tucked inside most image files is a block of text recording the camera or phone, the exact time and often the exact place it was taken, precise enough to find a front door. Checking it takes a minute on any laptop, and removing it takes one more.
On this page
What is hidden in an image file
Cameras and phones write EXIF data into photos: device make and model, lens, exposure, the date and time, orientation and, when location services are on, GPS coordinates. Editing software adds its own fields, and professional photographers use the IPTC standard for captions, creator names and copyright notices, which the IPTC describes as the most widely used standard for photo metadata. ExifTool's documentation of GPS tags shows how much location detail can be stored, from latitude and longitude to altitude and the direction the camera was facing.
| Field | Example of what it reveals | Risk when shared |
|---|---|---|
| GPS latitude and longitude | Where the photo was taken, to a few metres | High: home, school or a regular routine |
| Date and time taken | When you were somewhere | Medium: combined with location, a pattern |
| Camera or phone model | The device you own | Low |
| Software and edit history | Which apps processed the image | Low to medium |
| Creator, copyright, caption | Your name or contact details | Medium if you did not intend it |
| Thumbnail | A small copy of the original, sometimes before cropping | Medium: a crop may not remove the cropped area from the thumbnail |
Check and clean a photo
Work on a copy
Duplicate the file first. Removing metadata cannot be undone, and you may want the original with its date and place for your own archive.
Windows: read the Details tab
Right-click the image in File Explorer, choose Properties, then Details. Scroll to the GPS section. To remove fields, click Remove Properties and Personal Information at the bottom, then choose Create a copy with all possible properties removed.
Mac: use Preview and Photos
Open the image in Preview, choose Tools, Show Inspector, and look at the General, Exif and GPS tabs. For pictures in the Photos app, Apple's personal safety guide explains how to select them and choose Image, Location, Hide Location. When exporting from Photos, leave the option to include location information unticked.
Any system: use ExifTool
ExifTool is a free, long-established metadata reader and editor. In a terminal,
exiftool photo.jpglists every field;exiftool -gps:all photo.jpgshows only location.exiftool -all= photo.jpgremoves all writable metadata and keeps the original as a backup file with_originaladded to the name.Check again
Open the cleaned copy and repeat the check. Make sure the GPS section is empty and that the thumbnail, if any, matches the cropped picture.
Stop it at the source if you prefer
On a phone, you can switch off location access for the camera. Apple's guide describes doing that under Location Services, which prevents future photos from recording the place at all.
Screenshots are a different problem
A screenshot made with the operating system's own tool normally has little metadata: no GPS, just basic dimensions and sometimes a creation time in the file name. The risk in a screenshot is what is visible on screen. Before you share one, check for notification banners, open browser tabs, a personal email address in a corner, a desktop full of file names, and the battery and clock bar. The guide to how to take a screenshot on any laptop covers capturing just one window or a selected region, which avoids most of this.
Metadata is not proof
Metadata can be edited or removed by anyone with the tools above, so a date or location in a file is a clue, not evidence. For a stronger record of where an image came from, newer cameras and editing apps can attach signed provenance data; the guide on how to check an image for Content Credentials explains what that proves. Oversharing location is not a new worry: the 2010 site that showed how check-ins reveal an empty house made the same point about social posts. For more practical walkthroughs, see the rest of the how-to section.
Common questions
Do screenshots contain location data?
Screenshots from the built-in tools on Windows and macOS do not normally include GPS. Check what is visible in the picture instead.
Do social networks remove metadata?
Many large platforms strip most of it from public images, but policies differ and change. Do not rely on it; clean the file yourself.
Will removing metadata reduce image quality?
No. Metadata is stored separately from the pixels. Removing it with the methods above does not recompress the picture.
Can I remove metadata from many photos at once?
Yes. Select several files in File Explorer before choosing Remove Properties, or point ExifTool at a folder.
Is metadata ever useful to keep?
Yes, for your own archive. Dates and places help you sort and find photos. Keep the originals and share cleaned copies.
Sources
- ExifTool by Phil Harvey: ExifTool: reading and removing image metadata from the command line.
- ExifTool: GPS Tags: which location fields an image can store.
- Apple Support: Manage location metadata in Photos: hiding location in photos on a mac and stopping camera location.
- IPTC: Photo Metadata: the iptc standard for captions, creators and copyright.