Screenshots and GPS: strip the leftover metadata
A photo from Camera may still carry EXIF. A new PNG from a canvas editor usually does not. Check which you sent.
Screenshots from a canvas editor are usually just pixels. Photos from the Camera app are not.
EXIF can hold GPS, camera model, and the time you thought you had scrubbed. If you “screenshot” by photographing a monitor, you may have shipped a location. If you used the OS screenshot key, many phones strip a lot of that — not all, not forever, not every OEM.
Map pins drawn in the picture are not EXIF. They are pixels. A black bar or a crop removes them. Stripping metadata does not. People mix the two problems and then argue about “the GPS in the screenshot” when the leak was a pin, a street sign, or a delivery label.
Does an OS screenshot include GPS the way a Camera photo does?
Often no. A system screenshot is a grab of the framebuffer. A Camera still is a photograph with a metadata block that manufacturers have filled for years: coordinates, timestamp, lens, sometimes a thumbnail. That is why a picture of a passport on a kitchen table can place the kitchen. A proper screenshot of a banking app usually does not carry that same GPS field. “Usually” is doing work. Do not treat every OEM, every share sheet, and every “save as” path as identical. Check the file you are about to send, not the file you meant to send.
Photographing a monitor to avoid “the screenshot tool” is a common reversal. You traded a pixel grab for a Camera file. The monitor may show a redacted UI. The HEIC still knows where you stood.
What is a practical check after you redact?
After you redact, export a new PNG from a browser canvas. That file typically has no GPS. Do not then AirDrop the original HEIC “for quality.” Do not email both “just in case.” The original is the one with the secret and, if it was a Camera shot, the coordinates.
On a computer, opening the export in an EXIF viewer should not show a lat/long if the export was a canvas PNG. If it does, you exported the wrong object. On a phone, the share sheet sometimes offers the full original next to a resized copy. Pick the copy you redacted. If you cannot tell, export again from the editor and share only that download.
Are map pins, license plates, and street signs EXIF?
No. They are in the raster. Marketplace listings that show a house number, a parcel map, or an ID card are leaking in pixels. Cover or crop those regions. Metadata tools will report “no GPS” and the listing will still dox the seller. See address/ID.
The same split applies to a screenshot of Maps: the pin is a drawing. The Camera photo you took of the same screen in the car may add EXIF on top of the pin. Two channels. Bar the pin. Do not ship the Camera original.
Can a chat app strip EXIF for you?
Some do, some resize and strip, some keep more than you expect, some change behavior after an update. You do not control the other person’s download. You control the file you start with. A canvas PNG with a bar over the secret and without a GPS block is a file you can reason about. A HEIC from Recents is not. A JPEG re-encoded by the messenger may still have been born as a geotagged original sitting in your camera roll for anyone with the phone.
Start from PNG when you redact. Format notes: PNG. If the messenger then crushes the file, you still did not attach the geotagged master.
Should you redact by photographing the screen “so there’s no EXIF”?
That sentence is backwards. Photographing the screen is how EXIF gets in. Use the OS screenshot, or paste into an editor that exports a flat PNG. Then bar what the pixels still say: names, numbers, maps, badges. Then send the export. Leave Recents alone.
Build the export in the browser tab and download it there: export a canvas PNG in BlurThis.