Practical, threat-aware education
Understand what an image can reveal, choose the right cleaning or redaction method, and build a safer sharing routine.
Start here · 6 min
Export a HEIC photo as JPEG on Mac, keep the original private, inspect the result, then clean and verify the exact copy you plan to share.
Read the guidePeople sharing tickets, labels and screenshots · 5 min
Treat visible QR codes as readable data. Cover the whole code, check nearby identifiers and inspect the exported photo before sharing.
Read guide →Photo sharing · 5 min
Understand why Photo Privacy Lab preserves colour profiles, what that does and does not prove about privacy, and how to check the exported image.
Read guide →People checking a cleaned photo before sharing · 6 min
Understand Date taken, Date modified and downloaded-file timestamps, then verify the exact cleaned photo without confusing file properties with embedded metadata.
Read guide →People sharing photos and image attachments · 5 min
A photo filename can reveal a name, address or project even after metadata cleaning. Check the filename, archive entries and exact exported image before sharing.
Read guide →Anyone sharing photos publicly · 7 min
A practical guide to location, time, device, ownership, editing, preview, and technical fields stored alongside image pixels.
Read guide →Travelers, parents, sellers, and privacy reviewers · 8 min
Understand EXIF GPS latitude, longitude, hemisphere references, altitude, direction, and why coordinates can be surprisingly precise.
Read guide →People preparing a photo for public sharing · 6 min
A step-by-step workflow for checking the original file, understanding GPS findings, cleaning a copy, and verifying the result.
Read guide →Photographers, editors, publishers, and developers · 9 min
Learn what the three major photo metadata families are for, where privacy-sensitive values appear, and why a cleaner must check all of them.
Read guide →Anyone cleaning phone photos · 6 min
How EXIF orientation works, why indiscriminate metadata removal can turn a phone photo sideways, and two safe cleaning strategies.
Read guide →Support teams, employees, teachers, and creators · 8 min
A practical checklist for removing visible secrets, avoiding reversible overlays, flattening the export, and verifying the final image.
Read guide →Anyone hiding visible information · 7 min
Why blur and pixelation are useful visual effects but solid flattened masks are safer for text, codes, identifiers, and other secrets.
Read guide →People editing or redacting JPEG photos · 7 min
Why a JPEG can contain a second preview image, how stale thumbnails survive careless edits, and why redacted exports must be flattened and rescanned.
Read guide →Marketplace sellers and small businesses · 8 min
Protect home locations, shipping labels, serial numbers, reflections, and routines when photographing items for a public listing.
Read guide →Parents and caregivers · 7 min
A calm, practical review of location, school details, routines, names, uniforms, documents, and audience before sharing family photos.
Read guide →Journalists, researchers, and activists · 10 min
A threat-aware workflow for source protection, location review, device identifiers, visual clues, derivatives, and secure handoff.
Read guide →Privacy-conscious users and web developers · 9 min
How File and Blob APIs, ArrayBuffer parsing, canvas rendering, Web Workers, object URLs, and browser-generated downloads can transform images without an upload endpoint.
Read guide →People downloading and sharing AI-generated images · 8 min
Inspect a downloaded ChatGPT image, understand C2PA Content Credentials and SynthID, remove supported metadata from a sharing copy, and verify what changed.
Read guide →Anyone sharing screenshots · 7 min
Learn which metadata a screenshot may contain, how operating systems and apps differ, and how to inspect the exact screenshot before sharing it.
Read guide →People learning how to read picture information · 9 min
See practical examples of EXIF GPS, capture time, device, owner, XMP, IPTC, comments, orientation, profiles, and embedded previews.
Read guide →iPhone and iPad users sharing photos · 8 min
Use Apple Photos sharing controls, remove a saved location, and verify the exact exported file for GPS and other metadata before posting it.
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