CSSViewer VS Opal.so

Which is more popular?

Based on our record, CSSViewer seems to be more popular. It has been mentioned 5 times since March 2021.

Base details

Website, pricing, platforms and company facts side by side.

	CSSViewer	Opal.so
Website	chromewebstore.google.com	opal.so
Pricing	—	Official pricing
Listed in	Development Developer Tools CSS Framework Design Tools +1	Focus Productivity Time Tracking Time Management +1

What each product offers, as listed by its team.

CSSViewer 4 features

Opal.so 0 features

Ease of Use
CSSViewer offers a simple and intuitive interface that allows users to easily inspect CSS properties of web elements by hovering over them.
Quick Access
The extension provides quick access to CSS properties without the need to open the browser's developer tools, saving time for developers and designers.
Detailed Information
CSSViewer displays detailed CSS information, such as font, color, and box properties, which can be useful for debugging or learning CSS.
Lightweight Tool
The extension is lightweight and doesn't require significant system resources, making it a convenient tool for front-end developers.

Possible disadvantages

Limited Functionality
CSSViewer is limited to viewing CSS properties and does not allow users to edit them directly or offer any advanced features available in full-featured developer tools.
Browser Compatibility
The extension is explicitly designed for Google Chrome, which means users of other browsers may need to look for alternatives.
No Updates or Support
Users have reported that CSSViewer lacks regular updates, which may lead to compatibility issues with newer versions of Chrome or fails to support newer CSS features.
Potential Security Risks
As with any third-party extension, users need to be cautious about permissions and potential security risks associated with installing and using such tools.

No features have been listed yet.

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

CSSViewer

Opal.so

100% 100%

0% 0%

100% 100%

0% 0%

100% 100%

Share your experience with using CSSViewer and Opal.so. For example, how are they different and which one is better?

Recommendations tracked on public social media and blogs since March 2021.

CSSViewer 5 mentions

Opal.so 0 mentions

7 Must Have Chrome Extensions for JavaScript Developers
The "CSS Viewer" Chrome extension is a handy tool for JavaScript developers seeking to inspect and analyze CSS styles on web pages. With a simple click on the extension's icon in the Chrome toolbar, it provides a user-friendly interface... - Source: dev.to / over 3 years ago
20 Top Best Chrome Extensions for Web Developers in 2022
CSS Viewer is a simple but very effective Chrome extension for web developers. As its name implies, this addon shows you the CSS properties of a given page wherever you hover your mouse. A small popup window appears showing you the CSS... - Source: dev.to / over 4 years ago
Top 10 Chrome Extensions for Web Developers in 2022
1 - CSSViewer : It allows to show the CSS properties of element on any webpage, you just hover your mouse on it . A small window appears showing you the CSS data . - Source: dev.to / almost 5 years ago

Tracking Opal.so since May 2025.

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