Official Tools & Libraries

Official tools and SDKs maintained by the C2PA organization and Content Authenticity Initiative.

SDKs & Libraries

Rust

c2pa-rs - Reference implementation

• Official Rust SDK for creating and validating C2PA manifests
• Most complete and up-to-date implementation
• Used as the basis for other language bindings

cargo add c2pa

JavaScript/TypeScript

c2pa-node-v2 - Node.js bindings

• Official Node.js bindings for the C2PA Rust SDK
• Works in Node.js environments
• Full support for signing and verification

npm install c2pa-node

c2pa-js - Browser library

• JavaScript library for reading C2PA manifests in browsers
• Client-side verification
• Lightweight and fast

npm install c2pa

Python

c2pa-python - Python bindings

• Official Python bindings for the C2PA Rust SDK
• Easy integration with Python projects

pip install c2pa-python

Java

c2pa-java - Java bindings

• Java bindings for the C2PA SDK
• Integration with Java applications

Other Languages

• c2pa-c - C and C++ bindings
• c2pa-ios - iOS SDK

Command Line Tools

C2PA CLI

c2pa-rs/cli - Official command-line tool

Features:

• Create, read, and validate C2PA content
• Cross-platform: Windows, macOS, Linux
• Supports images, videos, audio

Installation:

# Via cargo
cargo install c2pa-cli

# Via npm
npm install -g c2pa-cli

Usage examples:

# Read manifest
c2pa image.jpg

# Sign a file
c2pa sign input.jpg output.jpg --manifest manifest.json

# Verify
c2pa verify image.jpg

Web Tools

Content Credentials Verify

contentcredentials.org/verify

• Official web tool for verifying C2PA content
• Drag-and-drop interface
• No installation required

Developer Resources

• Official Documentation
• Getting Started Guide
• API Reference
• GitHub Organization

Next Steps

• Try the Quick Start Guide
• Read the Specifications
• Join the Community