Invisible forensic watermarking for leak detection and leak tracing
Verify identity on your site with encrypted credentials
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
Not given
Pricing model
Freemium
Open source
Pricing
Free: $0/month (5 active files, detectable for 6 months, up to 5 MB per file, PDFs up to 10 pages). Starter: $9.99/month (50 active files, detectable until deleted, up to 10 MB per file, PDFs up to 50 pages). Pro: $19.99/month (no active-file cap, detectable until deleted, up to 20 MB per file, PDFs
Not given
Key features
Mark PNG, JPEG, WebP images, PDFs, text files, and Office documents with invisible watermarks
Detect watermarks in screenshots and cropped copies of marked files
Assign custom private identifiers to track which recipient received each marked copy
Generate PDF evidence reports of detected watermarks on Starter and higher plans
Shared workspace collaboration on Business and Enterprise plans
Mark and detect API for Business and Enterprise plans
HMAC metadata mark embedded in all files across all plans
MCP integration with Claude, Cursor, VS Code, and ChatGPT on Pro and higher plans
14-day free trial available for Starter, Pro, and Business plans
Age verification (over 18 and over 21)
Identity name verification
Biometric authentication (Face ID or fingerprint)
Cryptographic signature verification
QR code scanning
Multi-language widget
Document verification levels
Session-bound verification
Cross-device security binding
What makes it different
Watermark remains invisible in ordinary viewing and does not alter file appearance
File contents never stored on servers, only detection metadata kept for security
Detection works on screenshots and edited copies through best-effort recovery
Free plan available with no credit card required to start
Marks detectable indefinitely on paid plans until file is deleted
No personal data passes through KinshipVault servers
KinshipVault