Upload a photo to Facebook, Instagram, Twitter, or LinkedIn. Check the metadata afterward. It is gone.
This is not accidental. Social media platforms strip EXIF data from uploaded photos for a mix of privacy, performance, and legal reasons. But here is the catch: they strip it after they have it.
Almost every major platform removes GPS coordinates, camera serial numbers, and timestamps from photos you upload. Here is what each platform does:
Essentially, any platform that re-encodes your image (compresses it, changes format, scales it) will strip EXIF data as a side effect.
Platforms do not want to be responsible for leaking your home address through a photo you posted. If Facebook keeps the GPS coordinate and someone uses it to find you, Facebook gets sued. So they delete it preemptively.
EXIF data can add 2-50KB to a photo. For a platform serving billions of images, that bandwidth adds up. Stripping metadata is a cheap way to shrink files.
Camera serial numbers and timestamps can be used to track individuals. Platforms remove these to prevent stalking and profiling through shared images.
By stripping metadata, platforms ensure all content on their service looks uniform. No hidden copyright notices, no camera settings visible in the file.
When you upload a photo to a social platform, your file is transmitted with all its EXIF data intact. The platform receives it, reads the metadata (and stores it), then strips it from the public version.
This means two things:
If the photo contains sensitive location data (your home, your kids school, a client location), remove EXIF before uploading. Do not trust the platform to do it for you.
Email servers and messaging apps may preserve EXIF data. Platforms like WhatsApp strip it, but email attachments usually do not. Always strip EXIF before emailing photos.
Stock photo sites may keep EXIF data to verify camera settings. If you do not want to share your camera model and settings publicly, strip them first.
Your web server does not strip EXIF data. If you upload a photo to your blog with GPS coordinates, every visitor can download the original and extract your location.
Social media platforms strip EXIF data for their own reasons: legal protection, bandwidth savings, and platform control. But stripping happens on their end, after they have already received your data.
If privacy matters to you, strip EXIF before uploading. It takes 10 seconds and gives you control over what leaves your device.