# Validate HTML

> "Validate HTML" is a powerful Firefox addon designed to streamline the process of validating HTML code directly within the browser. With this addon, users can quickly check their HTML markup for errors and compliance with web standards

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

## Overview

- **ID:** `validate-html-addon`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** OKVIP
- **Category:** web-development
- **Version:** 1.0
- **Last updated:** 2024-03-19
- **First published:** 2024-03-18
- **Size:** 8.43 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/validate-html-addon/)

## Rankings

- #139,448 — Overall

## Permissions and access

### Permissions

- `activeTab`

## Safety

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

### Analysis details

- 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/validate-html-addon)