Field notes
- May 27, 2026
How to remove metadata from MP4, Reels, and TikToks in your browser
MP4 files carry C2PA 'Made with AI' tags, GPS, device IDs, and platform watermarks in their udta and meta atoms. Here's how to strip them entirely client-side, with no upload and no quality loss.
- May 24, 2026
How to remove the 'Made with AI' label on Instagram & Facebook
Meta tags images with 'Made with AI' when they detect C2PA content credentials embedded by tools like Firefly, Photoshop, and DALL·E. Here's how to strip those credentials in your browser before posting.
- May 22, 2026
How to remove GPS location from a photo before sharing it
Every photo from a modern phone embeds your GPS coordinates in its EXIF data. Here's how to strip that location entirely in your browser, before the image leaves your device.
- May 21, 2026
What ChatGPT and DALL·E embed in your generated images
ChatGPT-generated PNGs carry C2PA content credentials, OpenAI provenance, and platform metadata. Here's exactly what's in there — and how to strip it without uploading the file anywhere.
- May 20, 2026
Why a browser canvas wipes C2PA credentials
C2PA content credentials look unbreakable on paper. In practice they're attached to a file format, not to the pixels — which is why a 5-line canvas re-encode drops them on the floor.