# Password Field Max Length Highlighter

> Adds a border and warning message to any password field that has a 'maxlength' attribute. Only tests on page load, so if any elements appear asynchronously / after load, this will not catch it.

Canonical page: [https://chrome-stats.com/d/password-maxlength-highlighter](https://chrome-stats.com/d/password-maxlength-highlighter)

## Overview

- **ID:** `password-maxlength-highlighter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Scott DePouw
- **Category:** privacy-security
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2020-03-15
- **First published:** 2020-03-15
- **Size:** 9.90 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/password-maxlength-highlighter/)
- **Website:** [https://github.com/sdepouw/MaxLengthPasswordHighlighter/](https://github.com/sdepouw/MaxLengthPasswordHighlighter/)

## Description

Password Field Max Length Highlighter is a Firefox add-on that adds a border and warning message to password fields with 'maxlength' attribute. It scans the page on load to notify users of potential truncation of their passwords.

## Rankings

- #114,973 — Overall
- #201 — field

## Permissions and access

### 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).

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