# Formatted Comparison Overlay

> Compare HTML and see visual tags highlighted.

Canonical page: [https://chrome-stats.com/d/formatted-comparison-overlay](https://chrome-stats.com/d/formatted-comparison-overlay)

## Overview

- **ID:** `formatted-comparison-overlay`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Bryn
- **Category:** appearance
- **Version:** 1.0
- **Last updated:** 2026-05-17
- **First published:** 2026-05-14
- **Size:** 16 KB
- **Data as of:** 2026-09-22
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/formatted-comparison-overlay/)

## Description

🧩 Use this to compare HTML or code snippets visually and catch tag-level overlaps.

Includes:
<ul><li>Raw HTML support</li><li>Tag-friendly interface</li><li>Highlighting differences</li></ul>

## Rankings

- #145,346 — Overall
- #206 — overlay

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `scripting`

### Host permissions

- `<all_urls>`

## 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 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/formatted-comparison-overlay)