Prepare the input
Enter or paste the value you want to inspect. Use the sample action when available to understand the expected format before working with production data.
PROFESSIONAL BROWSER TOOL
Review S3 bucket policy JSON for public access, wildcard actions/resources, cross-account principals, and transport-related risks.
S3 POLICY
WORKFLOW
Review S3 bucket policy JSON for public access, wildcard actions/resources, cross-account principals, and transport-related risks.
Enter or paste the value you want to inspect. Use the sample action when available to understand the expected format before working with production data.
Execute the conversion, calculation, validation, or analysis. Validation messages are designed to distinguish malformed input from review findings where possible.
Copy the result only after reviewing assumptions, scope, and warnings. For production infrastructure and security changes, verify the output against the authoritative vendor documentation and your environment.
EXAMPLES
{"Principal":"*","Action":"s3:GetObject","Resource":"arn:aws:s3:::example/*"}公開Principalやワイルドカードを検出して注意点を表示ENGINEERING NOTES
S3 authorization depends on identity policies, bucket policies, Block Public Access, ACL settings, access points, and organization controls.
FAQ
No. S3 Bucket Policy Analyzer is designed to accelerate engineering review. Production decisions should also be checked against the relevant standards, vendor documentation, policies, and actual environment.
The core calculation and transformation logic runs in your browser and the site does not provide an application API that receives the tool input. Third-party browser extensions and externally loaded resources are outside that guarantee.