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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

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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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