Learn xcr.sh
Everything you need to know about content credentials, verification, and protecting your creative work in the age of AI.
Getting Started
Create your account and set up your creator identity
Content Credentials
Learn how to sign your content with C2PA credentials
Verifying Content
Check if content has valid credentials and who created it
AI Disclosure
How to properly disclose AI-generated content
Training Permissions
Control how your content is used for AI training
What is C2PA?
Understand the content authenticity standard
Quick Links
Common Questions
What are content credentials?
Content credentials are cryptographic signatures that prove who created content and when. They follow the C2PA standard supported by Adobe, Microsoft, and Google.
Is this free?
Basic content signing and verification is free. Pro features include unlimited credentials, API access, and advanced analytics.
How do I prove I created something?
Upload your content to sign it with your cryptographic key. Anyone can then verify the signature matches your identity.