# HTML Validator

> Checks the page HTML for common mistakes.

Canonical page: [https://chrome-stats.com/d/html-validator1](https://chrome-stats.com/d/html-validator1)

## Overview

- **ID:** `html-validator1`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Morgan Jackson
- **Category:** other
- **Daily users:** 0
- **Version:** 3.5.5
- **Last updated:** 2026-09-24
- **First published:** 2026-09-21
- **Size:** 14 KB
- **Data as of:** 2026-10-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/html-validator1/)

## Rankings

- #143,743 — Overall
- #209 — html

## Permissions and access

### Permissions

- `activeTab`
- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This extension was recently updated in the past month. New updates 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/html-validator1)