# Introducing Credentio: Open Source C++ Library for C2PA Content Credentials from Google

DevFeed: [Introducing Credentio: Open Source C++ Library for C2PA Content Credentials from Google](<https://devfeed.tech/articles/introducing-credentio-open-source-c-library-for-c2pa-content-credentials-from-google-4214.md>)

Original publisher: [Read original article](<https://developers.googleblog.com/introducing-credentio-open-source-c-library-for-c2pa-content-credentials-from-google/>)

Author: Sherif Hanna

Published: 2026-09-12T11:04:33.891311Z

Content type: news

Language: en

Sources: [Google Developers Blog](<https://devfeed.tech/sources/google-developers-blog.md>)

Topics: [C++](<https://devfeed.tech/topics/c-plus-plus.md>), [Google](<https://devfeed.tech/topics/google.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Local-First](<https://devfeed.tech/topics/local-first.md>), [API](<https://devfeed.tech/topics/api.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [c-plus-plus](<https://devfeed.tech/tags/c-plus-plus.md>), [data-privacy](<https://devfeed.tech/tags/data-privacy.md>), [google](<https://devfeed.tech/tags/google.md>), [local-first](<https://devfeed.tech/tags/local-first.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [performance](<https://devfeed.tech/tags/performance.md>), [provenance](<https://devfeed.tech/tags/provenance.md>), [validation](<https://devfeed.tech/tags/validation.md>)

## AI overview

Google introduces Credentio, an open-source C++ library for validating C2PA Content Credentials locally within client applications, server pipelines, and edge software. It is designed for high-performance validation of large media assets with lower memory usage, configurable trust lists, and no need to transmit files to cloud or external validation services. Future plans include generating and embedding Content Credentials.

## Source excerpt

Credentio is a newly released, open-source C++ library from Google that allows developers to integrate high-performance, local-first validation of C2PA Content Credentials into their client and server applications. By processing assets entirely locally with a highly optimized memory footprint, the library delivers instant validation verdicts for multi-gigabyte media files without incurring cloud latency, bandwidth costs, or data privacy risks. The library currently features deep manifest parsing alongside configurable trust list integration, and is available now on Google Source with future plans to support full credential generation and embedding.