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Photoshop, Lightroom, Firefly, ChatGPT image generation and some cameras attach a signed C2PA manifest — Content Credentials — that records which app or AI model created or edited an image.
Photos from phones and cameras carry EXIF data: GPS location, capture time, device model and sometimes a serial number. Anyone who gets the original file can read it.
Every JPG from a camera, phone or AI generator can carry EXIF (camera, time, GPS), XMP, IPTC and C2PA Content Credentials. Drop your JPG files into the tool on this page to see exactly what is inside and remove it in one click.
PNG files store metadata in text chunks, and AI tools use them heavily: Stable Diffusion writes your prompt and settings, ComfyUI embeds the whole workflow, and editors add XMP or C2PA data.
iPhones save photos as HEIC, and each one records the device model, capture time and — if location is on — exactly where you were. Edited photos can also carry XMP and C2PA data.
WebP images can carry EXIF, XMP and C2PA data just like JPEG — including AI provenance fields added by image generators and editors.