Amazon S3 Signature Tester in JavaScript

Sample Code & Libraries>Amazon S3 Signature Tester in JavaScript
Community Contributed Software

  • Amazon Web Services provides links to these packages as a convenience for our customers, but software not authored by an "@AWS" account has not been reviewed or screened by AWS.
  • Please review this software to ensure it meets your needs before using it.

This tool is designed to help developers validate their code for signing requests to Amazon S3. Common problems include constructing the "string-to-sign" incorrectly, using code that generates a signature incorrectly, and not properly URL encoding signatures (for query strings only).


Submitted By: Craig@AWS
AWS Products Used: Other
Created On: May 12, 2006 9:03 PM GMT
Last Updated: May 12, 2006 9:18 PM GMT


  • You must have an Amazon Web Services account (
  • You must have signed up to use Amazon S3 (
  • This tool has been tested on Firefox 1.0.7 and Internet Explorer 6.0. If you have difficulty using the tool, please try one of these browsers.

Running the Sample

  • See the README file in the attached download for information on running the sample.

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