PROFESSIONAL BROWSER TOOL

S3 Bucket Policy Analyzer

Review S3 bucket policy JSON for public access, wildcard actions/resources, cross-account principals, and transport-related risks.

S3 POLICY

Analyze bucket policy

WORKFLOW

How to use S3 Bucket Policy Analyzer

Review S3 bucket policy JSON for public access, wildcard actions/resources, cross-account principals, and transport-related risks.

1

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.

2

Run the tool

Execute the conversion, calculation, validation, or analysis. Validation messages are designed to distinguish malformed input from review findings where possible.

3

Review before use

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

Example input and output

Example input

{"Principal":"*","Action":"s3:GetObject","Resource":"arn:aws:s3:::example/*"}

Example output

公開Principalやワイルドカードを検出して注意点を表示

ENGINEERING NOTES

Scope and operational notes

Review before production use

S3 authorization depends on identity policies, bucket policies, Block Public Access, ACL settings, access points, and organization controls.

Core processing runs in your browser. Avoid pasting secrets unless your endpoint, browser extensions, and surrounding environment are appropriate for the data.

FAQ

Frequently asked questions

Is the result authoritative for production?

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.

Is my input sent to the Technologist Tools application server?

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.