Prove Your Content Is Yours.
Everywhere It Goes. Every Deal It Touches.
Invisible, cryptographic proof in everything you publish, verifiable by anyone, anywhere, at no cost. Signing is free; verification is paid for by the companies that license your content.
Authors of C2PA Section A.7 (Text Provenance)
Mark it
Invisible proof embedded
It travels
Copied 路 scraped 路 syndicated
Verify it
Anyone, anywhere: free
Own it
Origin + rights proven
See it for yourself.
Paste any text and watch it get an invisible signature, identical to readers, verifiable forever. Then prove it.
Paste your content
Sample article pre-filled. Edit it or paste your own.
No account required
This demo uses a shared signing key. Your own content uses a key tied to your organization.
Invisible to readers
Watermarks are zero-width Unicode characters. CMS systems, search engines, and human readers never see them.
C2PA 2.3 compliant
Encypher authored Section A.7 of the C2PA standard. This demo produces standard-compliant manifests.
Section A.7
Authored in C2PA
Jan 8, 2026
Standard Published
Co-Chair
Text Task Force
Free
Signing for Publishers
44
Media Types Signed & Verified
20
Formats Passed C2PA Conformance
20 formats is the maximum testable under C2PA conformance program v0.1. We are helping develop the conformance program for additional asset types.
One engine. Four lenses.
Four products, one cryptographic engine. Anything you sign with one of them verifies anywhere, free. Start with the problem in front of you.
Encypher Trace
Forensic leak tracing & insider-risk attribution.
Trace a leaked fragment back to the exact recipient, session, and timestamp, even after copy-paste or print.
For CISOs & security teams
ExploreEncypher Seal
Tamper-evident document integrity & chain-of-custody.
An independent cryptographic seal: audit-ready evidence that a document is unaltered and provenance-bearing.
For legal, compliance & healthcare
ExploreEncypher Mark
AI-output provenance + analytics API.
Sign AI outputs at generation, scan inputs for provenance, and get analytics across both. Built for EU AI Act Art. 50.
For AI product & engineering teams
ExploreEncypher Meter
Independent usage meter for content鈫擜I licensing.
The neutral meter that makes content licensing granular, auditable, and enforceable. The meter both sides can audit.
For rights-holders & AI licensees
ExploreEncypher Platform / API
One sign 路 verify 路 analyze engine under all four, also available white-label and via OEM.
Your Proof Travels With Your Content. Theirs Stays at the Gate.
Other tools protect access to your page. Encypher protects your content wherever it goes.
| Capability | Front-Door Solutions | Encypher |
|---|---|---|
| Protects content on your site | Yes | Yes |
| Protects copied content | No | Yes |
| Protects through syndication | No | Yes |
| Persists in training databases | No | Yes |
| Cryptographic proof of ownership | No | Yes |
| Embeds machine-readable terms | Per-page | Per-sentence |
Verify Your Content Anywhere You Find It.
Our Chrome extension verifies provenance on any web page you visit - competitor sites, aggregators, social platforms, even AI-generated text. Not statistical guessing - cryptographic proof that this specific content came from your publication.
Install Chrome ExtensionWe're Authoring the Future of Content Authenticity
Encypher co-chairs the C2PA Text Provenance Task Force and implements the standard across all media. Building content authenticity together.
Build Proof of Ownership Before You Need It.
Signing is free; verification is paid for by the companies that license your content. Every article you sign today is cryptographic evidence tomorrow.
Developers: Try our open-source implementation
View on GitHub