# S3BucketList

> S3BucketList automatically scans network requests made by your browser to detect Amazon S3 bucket URLs

Canonical page: [https://chrome-stats.com/d/s3bucketlist](https://chrome-stats.com/d/s3bucketlist)

## Overview

- **ID:** `s3bucketlist`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Alec Blance
- **Category:** web-development,privacy-security
- **Daily users:** 224
- **Weekly downloads:** 8
- **Version:** 4.1.2
- **Last updated:** 2026-03-30
- **First published:** 2025-06-05
- **Size:** 361 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/s3bucketlist/)
- **Website:** [https://alecblance.com](https://alecblance.com/)

## Description

S3BucketList automatically monitors your browser's network requests to discover Amazon S3 bucket URLs as you browse. Designed for penetration testers, security researchers, and bug bounty hunters, it filters noisy results, instantly notifies you of finds, and aggregates any permissions or access patterns it can extract from discovered buckets.

Save time and reduce manual searching: S3BucketList runs in the background, highlights valid S3 endpoints, and presents a concise list of bucket URLs with extracted metadata. Lightweight and privacy-conscious, it helps streamline asset discovery and cloud security assessments without interrupting your workflow.

## Rankings

- #7,788 — Overall
- #104 — lift
- #250 — scan

## Permissions and access

### Permissions

- `webRequest`
- `storage`
- `tabs`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [S3 Bucket Scanner](https://chrome-stats.com/d/jsmon-s3-bucket-scanner) — 20 users
- [S3 Bucket List](https://chrome-stats.com/d/s3-bucket-list) — 178 users, 5.00 / 5
- [Bucket Viewer](https://chrome-stats.com/d/bucket-viewer) — 7 users
- [S3 Explorer](https://chrome-stats.com/d/s3-explorer) — 11 users
- [My Job Bucket - Track Your Job Applications](https://chrome-stats.com/d/myjobbucket)
- [Filter AWS SAML](https://chrome-stats.com/d/filter-aws-saml) — 1 users
- [JS Recon Buddy](https://chrome-stats.com/d/js-recon-buddy) — 167 users, 5.00 / 5
- [AESR S3 Config Sender](https://chrome-stats.com/d/aesr-s3-config-sender) — 2 users
- [YetAnotherBrowserExtension](https://chrome-stats.com/d/yetanotherbrowserextension) — 2 users
- [Endpoint Hunter](https://chrome-stats.com/d/endpoint-hunter) — 12 users
- [AWS Signer Browser](https://chrome-stats.com/d/aws-signer-browser) — 30 users
- [Secret Scanner](https://chrome-stats.com/d/secret_scanner) — 37 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/s3bucketlist)