# Ultimate HTML

> JSON formatter with validation

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

## Overview

- **ID:** `ultimate-html`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Reese Smith
- **Version:** 1.8.3
- **Last updated:** 2026-02-01
- **First published:** 2026-01-29
- **Size:** 14 KB
- **Data as of:** 2026-02-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ultimate-html/)

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `unlimitedStorage`
- `<all_urls>`
- `bookmarks`
- `history`
- `sessions`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 is not longer available in the store

> 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/ultimate-html)