π Privacy Education Hub
Learn what metadata is, why it matters for your privacy, and how to protect yourself
πΈ What is Photo Metadata?
Metadata is "data about data" - information embedded in your photo files that describes the photo itself. When you take a picture with a smartphone or camera, the device automatically records dozens of details about that moment.
Common Types of Metadata:
- β’EXIF (Exchangeable Image File Format): Camera settings, date/time, GPS location
- β’IPTC: Captions, keywords, copyright information
- β’XMP: Advanced metadata like edit history, ratings, labels
π Why Metadata Matters for Privacy
Photo metadata can reveal far more about you than you realize. Here's what could be exposed:
π Your Home Address
Photos taken at home often contain GPS coordinates that can pinpoint your exact address. This applies to photos of your kids, pets, or anything taken in or near your home.
β° Your Daily Routine
Timestamps combined with GPS data can reveal when you're at work, when you're away from home, where you exercise, and which coffee shop you visit every morning.
π± Your Device Information
Camera make and model can reveal your economic status and preferences. Serial numbers could potentially track your device across multiple photos.
πΊοΈ Sensitive Locations
Photos from doctor's offices, places of worship, support group meetings, or vacation spots can reveal personal health conditions, beliefs, or when your home is empty.
Real Example: In 2012, journalist John McAfee was located by authorities after a photo he shared online contained GPS coordinates in its metadata, revealing his exact location in Guatemala.
π What Social Media Platforms Do With Metadata
Different platforms handle photo metadata differently. Here's what you need to know:
Strips GPS Data
- β’ Facebook
- β’ Instagram
- β’ Twitter/X
- β’ Reddit
- β’ TikTok
May Keep Metadata
- β’ Email attachments
- β’ Cloud storage (Dropbox, Google Drive)
- β’ Messaging apps (varies by platform)
- β’ Dating apps (varies by platform)
Important: Even if a platform strips metadata before displaying photos publicly, they may keep it on their servers for their own use. When in doubt, remove metadata yourself before uploading.
β Pre-Sharing Photo Privacy Checklist
Follow these steps before sharing photos online:
π‘ Quick Privacy Tips
π± On Your Phone
- β’ Turn off location services for the Camera app
- β’ Use PixelProbe to check photos before sharing
- β’ Consider using screenshot instead of sharing original
π» On Your Computer
- β’ Use PixelProbe to batch-clean photos
- β’ Right-click β Properties to view metadata
- β’ Export reduced-quality versions for sharing
π For Selling Online
- β’ Always remove metadata from product photos
- β’ Don't reveal your home address through photos
- β’ Meet in public places, not at your address
π¨βπ©βπ§βπ¦ For Families
- β’ Extra caution with kids' photos
- β’ Don't share school locations or names
- β’ Avoid posting vacation photos until you return
π Further Reading & Resources
Learn more about digital privacy and photo security from authoritative sources:
EFF: What Metadata Reveals About You β
Electronic Frontier Foundation's comprehensive primer on metadata privacy for journalists and activists
Privacy Guides β
Community-driven resource for protecting your data and privacy online with practical recommendations
Surveillance Self-Defense: Why Metadata Matters β
EFF's guide to understanding surveillance risks and protecting your communications metadata
EXIF.org - Official EXIF Standard Documentation β
Technical documentation of the EXIF standard maintained by CIPA (Camera & Imaging Products Association)
Note: These are external resources. PixelProbe is not affiliated with these organizations but recommends them as trusted sources for privacy education.
You might also like:DataKit β CSV & Data Transformation Toolkit