S3BucketList is a subscription-based extension designed for Firefox users involved in web development and penetration testing. This tool simplifies the tedious task of searching for Amazon S3 buckets by automating the process of filtering and checking bucket URLs. As you navigate the web, S3BucketList instantly notifies you of any S3 buckets it discovers, ensuring you can focus on your tasks without manual searching.

The extension not only identifies S3 buckets but also extracts and lists all relevant permissions associated with each bucket. This feature is particularly useful for developers and security professionals who need to assess potential vulnerabilities in web applications. By streamlining the discovery of S3 buckets, S3BucketList enhances productivity and efficiency in web development and security assessments.