# Style Probe

> Hover to inspect computed CSS, click to copy. Runs locally in the page.

Canonical page: [https://chrome-stats.com/d/style-probe](https://chrome-stats.com/d/style-probe)

## Overview

- **ID:** `style-probe`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ivan
- **Category:** web-development
- **Version:** 1.4.1
- **Last updated:** 2026-07-14
- **First published:** 2026-07-11
- **Size:** 15 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/style-probe/)

## Description

Style Probe lets you inspect computed CSS on any webpage.

How it works:
1. Open the popup and enable Inspector mode
2. Hover over an element to see key computed styles
3. Click to copy CSS to the clipboard
4. Press Esc to exit

Privacy:
Everything runs locally in your browser. Style Probe does not collect or transmit data.

## Rankings

- #146,674 — Overall

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `scripting`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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/style-probe)