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What is Claude Check Files?
Check Files is a free browser-based tool developed by Anthropic that allows users to verify whether a file was generated or processed by Claude, Anthropic's AI model. By uploading a file, users can determine if it contains a Content Credential—a cryptographically signed note indicating Claude's involvement. This tool addresses the need for transparency in AI-generated content by providing a straightforward method to trace the origin of digital files.
The core capability of Check Files lies in its ability to read and interpret C2PA (Coalition for Content Provenance and Authenticity) metadata embedded within supported file types, including images and videos. When Claude produces or edits a file, it attaches a Content Credential in the form of a C2PA signature, which the tool can detect. This process occurs entirely within the user's browser, ensuring that the file remains on the user's device and is not uploaded to external servers, thereby maintaining privacy.
Check Files is designed for individuals and organizations seeking to verify the authenticity of digital content. It is particularly useful for content creators, journalists, educators, and researchers who need to confirm the origins of media files. By providing a simple and accessible means to check for Claude's involvement, the tool supports efforts to uphold integrity and trust in digital media.
AI Tool Review Summary
Performance Score
4.5/5
Content/Output Quality
High, consistent, and on-brand
Interface
Clean and minimal
AI Technology
LLM
Purpose of Tool
To verify whether a file was generated or processed by Claude, Anthropic's AI model
Compatibility
Supports images and videos up to 100 MB, processed entirely within the browser
Pricing
Freemium with paid monthly plans
Features
Features with the highest value for users are highlighted here.
Content Credential detection
Supports multiple file formats
Operates directly in browser
Ensures user privacy
Who Is It For?
Content creators
Journalists
Educators
Researchers
Media organizations
Legal professionals
Archivists
Government agencies
Nonprofit organizations
Tech enthusiasts
Pricing
Free
$0/free
- Chat on web, iOS, Android, and Desktop
- Generate code and visualize data
- Write, edit, and create content
- Ability to search the web
Popular
Pro
$17/monthly
- Everything in Free, plus:
- More usage*
- Includes Claude Code
- Includes Claude Cowork
Join the Command Staff.
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Pros & Cons
Pros
- Easy-to-use interface
- No need for additional software
Cons
- Limited to supported file formats
- Does not identify text-based content
FAQs
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Quick Claude Check Files Comparision
Side-by-side with top alternatives in this category.
| Tool | Rating | Visits / mo | Global rank | Category rank | Engagement | Bounce | Top market | Starts at | Free tier | Integrations | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
 Claude Check FilesAI Detectors | 4.4 | — | — | — | — | — | — | $0 | Yes | — | View |
 AI Detector & HumanizerAI Detectors | 4.3 | 143.2M | — | — | 50s1.6 pages | 73% | — | $0 | Yes | 1 | View |
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