Simple CSS Viewer Firefox

Simple CSS Viewer

View computed CSS styles of elements directly in the browser.

Features & Capabilities

Simple CSS Viewer is a lightweight Mozilla Firefox extension designed to help developers, designers, and frontend engineers quickly inspect and understand CSS properties applied to webpage elements. With an easy hover-and-view workflow, the extension allows users to instantly examine styling information without manually searching through complex source code or browser developer tools.

The extension provides a clean and accessible interface for viewing commonly used CSS attributes such as font styles, colors, spacing, margins, padding, borders, dimensions, positioning, and layout-related properties. By simplifying CSS inspection directly within the browser, it helps streamline frontend debugging, UI analysis, responsive design reviews, and educational learning workflows.

Ideal for web designers, CSS learners, and developers working on interface consistency, the tool makes it easier to study how websites are styled and structured. Whether analyzing modern layouts, recreating visual components, or debugging style issues, Simple CSS Viewer offers a fast and convenient solution for inspecting webpage styles in real time.

Features: • Quickly inspect CSS properties on webpage elements • View fonts, colors, spacing, margins, and padding values • Simple hover-based interface for fast CSS analysis • Lightweight and easy-to-use browser extension • Helps streamline frontend debugging workflows • Useful for UI/UX design research and style inspection • Supports responsive design and layout analysis • Beginner-friendly tool for learning CSS structures • Reduces the need for complex developer tool navigation • Minimal browser resource usage during operation • Compatible with modern Mozilla Firefox environments • Ideal for developers, designers, and web design students

User Growth & Download Statistics

Manifest V2 Add-on
By:
css-viewer
Daily users:
1
Version:
1.0.0 Last updated: 2025-12-29
Version code:
6107000
Creation date:
2025-12-26
Risk:
Moderate risk impact Moderate risk likelihood
Permissions:
  • <all_urls>
Content scripts matches:
  • <all_urls>
Size:
8.28KB
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-04
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
css-viewer
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/browser-css-viewer/

Is Simple CSS Viewer Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Simple CSS Viewer requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Simple CSS Viewer is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** ***** ** *** **** * ******* *** ********** *** *** ** ****** ** *****
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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Best Simple CSS Viewer Alternatives

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