ExifData.io

Notes on photo metadata and location privacy

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Video Metadata: The GPS and Device Data Hiding Inside Your MP4 and MOV Files

MP4 and MOV clips carry GPS coordinates, device model, timestamps and drone telemetry in metadata atoms. What leaks when you share a video, what re-encoding keeps, and how to strip it.

Published 16 October 2026

Word Document Metadata: What Your DOCX Files Reveal and How to Strip It

A .docx carries author names, company strings, template paths and editing time in XML parts most people never open. What leaks, what Word's own inspector misses, and how to clean it properly.

Published 11 October 2026

What Drone Photos Say About You: The Metadata DJI Writes Into Every File

Consumer drone images carry takeoff points, speed, altitude, heading and airframe serials in an XMP block most stripping tools miss. What is inside, what survives sharing, and how to check.

Published 7 October 2026

PDF Metadata: What Your Invoices and Contracts Reveal

PDFs carry author names, company paths, software versions and exact timestamps in two separate metadata systems. What leaks, how to inspect it, and how to actually remove it.

Published 25 September 2026

The EXIF Field Police Use to Track You: Unique Image Numbers

Every camera writes an incrementing image number that no setting disables. How investigators chain it with timestamps to deanonymise photos, and what actually protects you.

Published 21 September 2026

Five ExifTool Commands That Tell You Everything About a Photo

ExifTool reads every tag a file carries: GPS, camera serial, edit history, C2PA manifests. Five commands cover 95% of what you need, on Windows and Mac.

Published 18 September 2026

What a Screenshot Really Contains: Reading Screenshots Like an Investigator

Screenshots carry no camera EXIF, but the pixels leak plenty: clocks, tab titles, notification banners, URL tokens and OS fingerprints. What to check before you share one.

Published 13 September 2026

C2PA Content Credentials: The New Metadata Arriving Inside Your Photos

C2PA is a signed provenance manifest now embedded by phones, cameras and AI tools. What it records, who reads it, how it survives re-sharing, and how to control what leaves your device.

Published 4 September 2026

Photos You Take at Home Reveal More Than Photos You Take Outside

Stripping GPS is not enough for home photos. Windows act as clocks, mirrors reflect your neighbourhood, and sockets name your country. How to audit your interior photos before posting.

Published 3 September 2026

How Cloud Services Handle Your Photo Metadata (and What They Keep After You Delete the Original)

iCloud, Google Photos and Dropbox each store your photo EXIF data differently. What they keep on their servers, how long it stays after you delete, and what sharing actually exposes.

Published 28 August 2026

HEIC vs JPG on iPhone: What Happens to Your Photo Metadata When iOS Converts

Your iPhone shoots HEIC and shares JPG. What each format carries, when GPS survives conversion, and how to check a file before it leaves your phone.

Published 3 October 2026

Selling Online: The Metadata Your Marketplace Photos Leak

Photos taken for a Dubizzle, Facebook Marketplace or eBay listing carry GPS, timestamps and camera details unless you strip them. What buyers can learn from your files and how to clean them first.

Published 29 September 2026

Screenshots You Send for Work: A Metadata Checklist

Screenshots carry no GPS but leak plenty: file names, tab titles, notification previews and spreadsheet rows. A one-minute checklist before you attach a capture to anything.

Published 9 September 2026

What Your Camera Serial Number Says About You (and Who Reads It)

What Telegram, Signal and WhatsApp Actually Do With Photo Metadata

WhatsApp, Telegram and Signal each strip photo EXIF differently, and every one of them passes files through untouched. How each app handles your GPS data, and the send-as-file habit that leaks your location.

Published 15 August 2026

Does Your Photo Still Have GPS Data? How to Check Before You Share It

How to find the exact location baked into a photo, how to check it yourself on iPhone and Android, and what sending it through WhatsApp, Instagram, or email actually does to that data.

Published 27 July 2026