Proofmode Logo
  • Skip Navigation
    • Capture

      Mobile camera app with advanced, built-in provenance features.

    • Verify

      Powerful multimedia metadata inspection and analysis tool.

    • Identify

      A service for device verification and attestation signing.

    • Connect

      Secure communication and file-sharing with media provenance preservation features.

    • Enhance

      Enhanced AI safety through provenance and authentication workflows and skills.

    • Build

      Developer solutions to support authentication and provenance.

    • Preserve

      Redundant, reliable storage of verifiable proof.

    • Integration Support

      Contact us to integrate Proofmode developer tools into your builds.

    • Journalists & Media

      Capture media with built-in chain of custody, or verify 3rd party media.

    • Apps & Software

      Integrate verification tools and preservation systems into your tools.

    • Humanitarian Efforts

      Document and preserve evidence during critical events to build verifiable proof.

    • Business

      Use verification tools to ensure authenticity of media used in your organization.

    • Individuals

      Verify the content being served to you, or capture authentic content for your audience.

    • About Proofmode

      A passionate team making technology that defends reality.

    • Baseline

      A crowd-sourced record of current events and our world.

    • News

      A crowd-sourced record of current events and our world.

    • Help & Documentation

      Read our documentation and get answers to common questions.

    • Contact

      Email/Signal/Whatsapp us for support, partnerships, or just to say hi.

Get SDK Verify Media

All the Links

Projects

  • Proofmode for iOS
  • Proofmode for Android
  • libProofmode Developer Library
  • ProofCheck Verification Tool
  • SimpleC2PA Mobile SDK
  • Proofmode BASELINE: Verifiable Visual Database of Our World
  • Proofmode on GitLab: All of our free and open-source code
  • Proofmode PRESERVE: How to resiliently store media on decentralized networks

Specifications, Papers, and Guides

  • Proofmode Metadata Documentation v1
  • Three Layer Verification: Integrity, Consistency, Synchrony
  • What is Proofmode? Brochure
  • Proofmode and Content Credentials (C2PA)

Training Materials

  • Short training videos in English, Espanol, and Portuguese: download videos stream on YouTube

Presentations

  • Splintered Networks, Unbroken Proof Video and Slides
  • Proofmode for Journalists and in the Newsroom Slides and Video
  • Proofmode+C2PA: Interoperable Ecosystems
  • Data Feminism: An Intersectional Approach to Gathering, Analyzing, and Sharing

Videos

  • Livestream session hosted by the Content Authenticity Initiative with Adobe and others working on the C2PA standard YouTube Stream
  • FLOSS Weekly - Show Me The Proofmode YouTube Stream
  • Witness.org Tech+Advocacy Proofmode YouTube Stream

Articles

  • Authenticity in 3-D: Verifying Photogrammetric Models
  • The Economist “Proving a photo is fake is one thing. Proving it isn’t is another”
  • Government Internet Shutdowns Are Changing. How Should Citizens and Democracies Respond?
  • Tracking metadata can be useful – and proper

Help us document the reality of our world.

Baseline
A Media Cooperative
Read more

Subscribe to get Proofmode updates in your inbox

  • Proofmode Logo Mark
  • Products

    • Capture
    • Verify
    • Identify
    • Connect
    • Enhance
  • For Developers

    • Build
    • Preserve
    • Integration Support
  • Use Cases

    • Journalists & Media
    • Apps & Software
    • Humanitarian Efforts
    • Business
    • Individuals
  • About

    • About Proofmode
    • Baseline
    • News
    • Help & Documentation
    • Contact
    • GitHub github
    • youtube
    • reddit
    • linkedin
    Capture for Android Capture for iOS

© 2025 Proofmode.
ProofMode.org by Guardian Project is licensed under CC BY-SA 4.0.

ProofMode is a collaborative effort between Guardian Project, WITNESS, and Okthanks since 2013.
We have been primarily sponsored by WITNESS and the Filecoin Foundation for the Decentralized Web.