# Hidden Autofill Detector

> Alerts users when hidden autofill fields are detected.

Canonical page: [https://chrome-stats.com/d/hidden-autofill-detector](https://chrome-stats.com/d/hidden-autofill-detector)

## Overview

- **ID:** `hidden-autofill-detector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 0MARr00t
- **Category:** web-development,privacy-security,search-tools
- **Daily users:** 1
- **Version:** 2025.6.11
- **Last updated:** 2025-06-28
- **First published:** 2025-06-25
- **Size:** 167 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hidden-autofill-detector/)
- **Website:** [https://github.com/0MARr00t/hidden-autofill-detector](https://github.com/0MARr00t/hidden-autofill-detector)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/hidden-autofill-detector/privacy/](https://addons.mozilla.org/firefox/addon/hidden-autofill-detector/privacy/)

## Description

This browser extension alerts users when a webpage contains hidden form fields that could silently capture autofilled data (name, email, phone, credit card info, etc). It helps protect users against phishing, form stuffing, and invisible data harvesting by scanning the page for suspicious fields styled to be hidden.

## Rankings

- #89,446 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `scripting`
- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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

- [Form Autofill Blocker](https://chrome-stats.com/d/form-autofill-blocker)
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- [APIVoid Phishing Reminder](https://chrome-stats.com/d/apivoid-phishing-reminder)
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Source: [Chrome-Stats](https://chrome-stats.com/d/hidden-autofill-detector)