AWS Signature Generator

Generate AWS Signature Version 4 for your API requests

AWS Credentials

Request Details

Signature Components

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Complete cURL Command

How to use this AWS Signature Generator:

  • Enter your AWS credentials (Access Key ID and Secret Access Key)
  • Specify the AWS region and service you're working with
  • Select the HTTP method and enter your endpoint URL
  • For POST/PUT requests, include the request body if needed
  • Click Generate Signature to create the V4 signature
  • Use the generated Authorization header in your requests

About AWS Signature Version 4:

  • Secure authentication: Used to authenticate requests to AWS services
  • Required for API calls: Needed for most AWS API requests
  • Components: Includes timestamp, credential scope, signed headers, and signature
  • Process: Creates canonical request, string to sign, and final signature

All signature generation happens in your browser - we never store or transmit your AWS credentials