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Check a file for Content Credentials

Run a free first-pass check for C2PA / Content Credentials signals from a file or URL. Then find tools to support your marking workflow.

Check a file or URL — freeBrowse tools

Checks provenance signals. Does not determine whether content is AI-generated or legally compliant.

Accepted formats: JPEG, PNG, WebP, GIF, SVG, PDF, MP4/QuickTime, WAV, MP3, and similar media. Maximum size: 8 MB (URL fetches are capped the same way).

until the Dec 2, 2026 marking grace period ends for pre-August 2026 systems
Deadline explainer

What do you need next?

Inspect credentials

Run the free marking checker on a file or URL.

Add marking

Browse watermarking and Content Credentials tools.

Manage transparency workflows

Find governance platforms for inventory, policy, and evidence.

Directory

Art. 50 badges map a tool to likely-relevant obligations. They are relevance mappings, not a compliance determination.

Homepage placements

Contracted featured listings, labeled on each card. Placement is not an editorial ranking.

Google SynthID
Featured placement

Watermarking

Imperceptible watermarking for AI images, audio, video and text from Google DeepMind.

images · video · audio · text · Free

FreeArt. 50(2)
Adobe Content Credentials
Featured placement

Watermarking

The C2PA-based provenance standard backed by Adobe, Microsoft, OpenAI and camera makers.

images · video · Free

FreeC2PAArt. 50(2)
IMATAG
Featured placement

Watermarking

European invisible-watermarking vendor with an EU AI Act-focused offering.

images · video · Paid

PaidArt. 50(2)
GPTZero
Featured placement

Text Detection

The best-known AI text detector, with API access and document reports.

text · Freemium

FreemiumArt. 50(4)
Hive AI Detection
Featured placement

Deepfake Detection

Industrial-scale APIs for detecting AI-generated images, video, audio and text.

images · video · audio · text · Paid

PaidArt. 50(4)Art. 50(2)
Reality Defender
Featured placement

Deepfake Detection

Multi-model deepfake detection for voice, video, image and text in real time.

video · voice · Enterprise

EnterpriseArt. 50(4)
Credo AI
Featured placement

Governance

AI governance platform with dedicated EU AI Act compliance packs.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
Saidot
Featured placement

Governance

Finnish AI governance platform built around EU regulatory alignment.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)

32 directory listings

Digimarc

Watermarking

Enterprise digital watermarking veteran, now applied to AI-content authentication.

images · Enterprise

EnterpriseArt. 50(2)
Steg.AI

Watermarking

Deep-learning forensic watermarks that survive screenshots, crops and re-encoding.

images · video · Paid

PaidArt. 50(2)
Truepic

Watermarking

C2PA-native camera SDK and content authenticity platform.

Watermarking · Enterprise

EnterpriseC2PAArt. 50(2)
c2patool (CAI open source)

Watermarking

Official open-source CLI and Rust SDK for creating and verifying C2PA manifests.

Watermarking · Open source

Open sourceC2PAArt. 50(2)
Numbers Protocol

Watermarking

Blockchain-anchored provenance registry for digital media.

Watermarking · Freemium

FreemiumC2PAArt. 50(2)
Attestiv

Watermarking

Media authentication and tamper detection for photos, video and documents.

video · Freemium

FreemiumArt. 50(2)Art. 50(4)
Meta Stable Signature

Watermarking

Open-source rooted watermarking for latent-diffusion image models.

Watermarking · Open source

Open sourceArt. 50(2)
AWS AI content indicators

Watermarking

Built-in invisible watermarking and C2PA credentials for Amazon Bedrock image models.

Watermarking · Paid

PaidC2PAArt. 50(2)
Microsoft Azure AI Content Safety

Watermarking

Azure's content-safety suite; DALL·E outputs on Azure carry C2PA credentials.

Watermarking · Paid

PaidC2PAArt. 50(2)
Trufo

Watermarking

Invisible watermarking startup focused on authenticating both human and AI content.

images · Freemium

FreemiumArt. 50(2)
C2PA Lab

Watermarking

Free in-browser C2PA Content Credentials inspector — files never leave your device.

Watermarking · Free

FreeC2PAArt. 50(2)
Copyleaks AI Detector

Text Detection

Enterprise AI-text detection with multilingual coverage and LMS integrations.

text · Paid

PaidArt. 50(4)
Originality.ai

Text Detection

AI detection built for web publishers and SEO teams.

text · Paid

PaidArt. 50(4)
Winston AI

Text Detection

AI text and image detection with OCR for scanned documents.

images · text · Paid

PaidArt. 50(4)
Pangram

Text Detection

Research-driven AI text detector reporting near-zero false-positive rates.

text · Paid

PaidArt. 50(4)
Sapling AI Detector

Text Detection

Lightweight AI-text detection API from an NLP tooling company.

text · Freemium

FreemiumArt. 50(4)
Sensity AI

Deepfake Detection

EU-based deepfake detection and visual threat intelligence platform.

Deepfake Detection · Enterprise

EnterpriseArt. 50(4)
AI or Not

Deepfake Detection

Simple web and API checks for AI-generated images, audio and faces.

images · audio · Freemium

FreemiumArt. 50(4)
Resemble Detect

Deepfake Detection

Neural audio deepfake detector from voice-AI company Resemble AI.

audio · voice · Paid

PaidArt. 50(4)Art. 50(2)
Pindrop

Deepfake Detection

Voice security and audio-deepfake detection for call centers.

voice · Enterprise

EnterpriseArt. 50(4)Art. 50(1)
Deepware Scanner

Deepfake Detection

Free deepfake video scanner with API and SDK options.

video · Freemium

FreemiumArt. 50(4)
Intel FakeCatcher

Deepfake Detection

Real-time deepfake detection using photoplethysmography (blood-flow) signals.

video · Enterprise

EnterpriseArt. 50(4)
Holistic AI

Governance

AI risk management platform with EU AI Act readiness assessments.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
OneTrust AI Governance

Governance

AI governance from the market leader in privacy compliance software.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
IBM watsonx.governance

Governance

Model lifecycle governance with regulatory mapping, from IBM.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
Asenion (formerly Fairly AI)

Governance

AI governance platform with automated policy checks, formed by Fairly AI's merger with anch.AI.

Governance · Paid

PaidArt. 50(1)Art. 50(4)
Modulos

Governance

Swiss responsible-AI platform mapping systems to EU AI Act controls.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
trail

Governance

Munich-based AI governance copilot for EU AI Act documentation.

Governance · Paid

PaidArt. 50(1)Art. 50(2)
Naaia

Governance

French AI management system (AIMS) purpose-built for EU AI regulation.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(2)
Enzai

Governance

AI governance software from Belfast with EU AI Act compliance frameworks.

Governance · Paid

PaidArt. 50(1)Art. 50(4)
AI Sigil

Governance

AI governance platform that maps systems to EU AI Act, ISO 42001 and NIST AI RMF controls with audit-ready evidence.

Governance · Paid

PaidArt. 50(1)Art. 50(2)
Monitaur

Governance

ML assurance and governance for regulated industries like insurance.

Governance · Enterprise

EnterpriseArt. 50(1)Art. 50(3)

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