Authenticate

Your Images in 3 Seconds

Complete C2PA digital signing with a single click—no code required.
Prove your content’s origin across social media.

Free Service
One-click Signing
@Author support
Verified on SNS

Only 3 Steps to Proof!

Start instantly—no complex setup required.

1

Sign Up (10s)

Register with just your email.

2

Upload Image (2s)

Drag & drop JPG, PNG, or WebP files.

3

Sign & Verify (1s)

  • Single-click C2PA signing,
  • real-time verification,
  • share-ready download

Traditional Watermark vs C2PA Signing

See why C2PA is the smarter choice.

AspectWatermarkC2PA Sign
Image Quality❌ Quality Degrades✅ Quality Preserved
Security❌ Easily Removed✅ Tamper-proof Encryption
Visual Impact❌ Obtrusive✅ Transparent Authentication
🎨

Digital Artists

"I can clearly separate AI-generated images from my original work."

📸

Photographers

"Unauthorised use of my photos is finally under control."

🏢

Enterprises

"Our official imagery now carries verified trust."

Secure and Transparent Technology Foundation

C2PA International Standard

Ensures maximum compatibility by adhering to international standards involving Adobe, Google, Meta, Microsoft, Intel, and others.

Strong Encryption

Uses public key-based encryption technology to ensure that signed information cannot be tampered with by anyone.

Trusted Certificates

Ensures signature validity through AboutService's trusted certificates.

Transparent Metadata

All signature information is transparently recorded in image metadata, allowing anyone to verify it.

Enterprise-grade Custom Certificates

Build stronger trust with brand-specific C2PA certificates.

Brand-specific Certificates

Issue dedicated C2PA certificates under your brand.

API Integration

Seamlessly integrate into existing workflows.

Bulk Processing

Sign thousands of images concurrently.

Management Dashboard

Monitor signatures and analytics in real time.

Request Early Access

Straight-forward Pricing

Start free—upgrade when you need more.

Currently Available

Free Beta

Free

AboutService Certificate

  • Up to 100 signatures / month
  • All core features included
  • C2PA author support
  • Web interface

B2B Solution

Subscription

Custom Enterprise Certificate

  • Unlimited signatures
  • Brand-specific certificates
  • API integration
  • Dedicated support