Journalists and sources: what a document gives away before you publish it
A Word file, a PDF or a scan can say who wrote it, at which company and with which printer. What to check before publishing a document or sending it to a newsroom.
Guides
What your files are hiding, and what you can do about it.
Photos of your kids on social media and in the school group: what they say without you seeing it
A photo of your children can say where they live, which school they go to and when they leave. What is inside the photo, what shows in the background and how to share it without giving that away.
iPhone HEIC photos: what metadata they carry and how to clean them without losing HDR
The iPhone saves photos as HEIC, with location, model and an identifier linking them to your photo library. What is inside and how to remove it without converting them or dimming the HDR.
Removing metadata without losing quality: why re-encoding is not cleaning
Many ways of “removing” metadata actually recompress the photo, and some do not even remove it. We measured it: what changes and how to avoid it.
EXIF remover: KillEXIF, exif.es and exifremover.com, compared and tested
Three sites for removing EXIF, tested with the same files: what they upload, what they remove, whether they re-encode and how they differ. Two are ours, and we say so.
Do WhatsApp, Instagram and Telegram strip the location from your photos? What is known
What WhatsApp, Instagram, Telegram, X, Apple and Google say about the metadata in the photos you send, what others have measured and what nobody has checked yet.
Why remove metadata: four real risks, with documented cases
What your photos and documents say about you without you seeing it, and four real cases where metadata gave someone away. Without exaggerating: with sources.
How to see a photo’s metadata without uploading it anywhere
What a photo says about you before you send it: how to check on your phone, on Windows, on Mac and online, and why it is best done without uploading it.
KillEXIF 1.0.1 for Mac and Windows: what it brings and what the app does
1.0.1 is out on the Mac App Store and the Microsoft Store. What it fixes, what the desktop app does that the website cannot, and what is free.
How to remove GPS location from a phone photo
Your photos store the exact coordinates where you took them. Here is how to check, and how to strip them without losing quality.
Your videos carry your location too
A video shot on a phone stores coordinates just like a photo does, somewhere less well known.
What a Word file or PDF reveals about you
Author, company, editing time and the software used travel inside the document even though they appear on no page.