News & Guides
The AI watermark era, explained honestly. News on Google's SynthID Detector, Claude's marking rollout, C2PA provenance, zero-width characters, and text hygiene.
News
SynthID Detector explained: Google's global AI media check
What Google's portal detects (OpenAI, NVIDIA, Kakao, soon Apple), its limits, and how it differs from text hygiene. →
News · Aug 2026Claude's invisible text watermark, explained honestly
How Claude's watermark works, what it does and doesn't prove, and what you actually can & can't remove. →
News · Aug 2026C2PA & Content Credentials
The signed-provenance standard behind AI file marking, and why Claude signs generated files with it. →
Guides
Zero-width characters: U+200B, ZWJ, BOM & how to strip them
The invisible bytes that break validation, matching, and layout — with the scanner. →
GlossaryAI watermark glossary
Every term in one place: statistical watermarks, machine-readable marking, Article 50, provenance, and more. →
ToolC2PA Checker
Drop in an image and check whether it carries Content Credentials. Free & private. →