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C2palab

c2palab.com

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What it does

C2PA Lab is a browser-based tool for inspecting C2PA Content Credentials, provenance, recorded actions, and digital signatures locally, with files kept on the user device.

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Two ratings

SiteList review score

Clear local-file provenance workflow with strong technical guidance. Enlarge 20 small mobile tap targets and bring the 2.56 s mobile LCP below target.

Reviewed on Oct 10, 2026

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Screenshots

Captured during our latest review on Oct 10, 2026

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Guides · c2palab.com

Key features

  • C2PA Content Credentials inspection

    Content Credentials

    Checks whether a file carries a C2PA Content Credential and whether its manifest is bound to the file.

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  • Provenance inspection

    Provenance

    Displays recorded actions and ingredient references from a C2PA manifest.

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  • Cryptographic signature verification

    Verification

    Shows verification state and signer or issuer information when provided by the credential.

    View source

  • Local browser processing

    Privacy

    Runs the C2PA engine in the browser via WebAssembly without uploading files.

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  • Manifest viewer

    Inspection tools

    Provides access to the manifest store, claim, assertions, ingredients, and raw JSON.

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  • Metadata inspector

    Inspection tools

    Displays signer, source disclosure, counts, identifiers, and checksum in a structured table.

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Who it’s for

  • Inspect media provenance

    Inspect provenance, recorded actions, ingredients, and signatures in image and video files.

    View source

  • Understand C2PA

    Learn about C2PA standards, manifests, verification, and Content Credentials through the guide collection.

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  • Check files privately

    Check supported media files locally in a browser without sending file data to a server.

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  • Inspect manifests for development

    Inspect underlying manifest data and technical details.

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Buyer questions

Questions buyers actually ask

What is C2PA?

C2PA is an open technical standard for attaching cryptographically signed provenance data to media files.

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Does C2PA prove that a file is authentic?

No. A verified signature shows that the manifest is intact and bound to the file, but it does not prove every recorded claim is true.

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Does C2PA Lab upload my files?

No. Inspection runs in the browser using WebAssembly, and files do not leave the device.

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Which file types are supported?

JPEG, PNG, WebP, and AVIF images plus MP4 and MOV video files up to 200 MB are supported in modern browsers.

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Product FAQ information · View source

The expert review

C2PA Lab scores 84/100 as a focused browser utility for reading Content Credentials and inspecting C2PA manifests. Its clearest strengths are direct usability and precise privacy messaging, while small mobile tap targets and a 2.56 s mobile LCP are the most material fixable weaknesses.

84/100: focused product, practical fixes remain

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Scores across 13 dimensions

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Performance

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Docs & measurement

Domain
c2palab.com
Category
Data quality & governance
Pricing
Free · $0/mo
Platforms
web
Founded
2026
Last checked
Oct 10, 2026
Public dimensions
13

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