Inspect Element
Developer Tools
Use Inspect element – a CSS viewer with Chrome inspect element shortcut. Learn how to inspect element easily using this simple tool!
Users
4K
Rating
4.8
Reviews
12
7D Growth
0|0%
Cooling signalNo paid features detectedMedium-risk permissions
CSS validator
Use w3c css validator online to validate CSS by this CSS checker tool faster than pronouncing invalid property value CSS
Users413Current public install base
Rating4.0Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth-2Net users gained this week
7-day growth rate-0.48%Relative weekly velocity
Preview
2 assetsCSS validator Media preview
Trend
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User Growth Over Time
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7-day rating trend
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7-day rating change
Start
4.00
Latest
4.00
7-day rating change
0.00
2026年7月16日2026年7月21日
Growth overview
Daily, weekly, and monthly growth
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1-day growthNo data
----7-day growthDeclining
-2-0.48%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.8
ManifestV3
Size1.04MiB
Languages52Deutsch / English / Filipino +49
Published
Store updated
Last crawled
DeutschEnglishFilipinoIndonesiaKiswahiliMelayuNederlandsTiếng ViệtTürkçecatalàdanskeesti
Overview
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🎉 Introducing Your Ultimate Code Checker
Have you ever wished debugging cascading style sheets was as easy as pie? Say hello to CSS Validator, the browser extension that transforms website development into a delightful experience.
🔍 Why use a validacion service?
Wave goodbye to tedious code checks. With W3 validator, verifying your website's styling is as simple as clicking a button.
Here’s how we make coding easier:
- Instant Syntax Verification
Reviews
Recent review snapshot
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Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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I tried the extension and it's not working correctly, even with the example code which is loaded with the button in the extension itself. Every time I'm trying to run a validation it's saying Error:undefined. On top of that the website doesn't load at all 🙁
cool
I love how quickly it identifies errors in my CSS code. It even pinpoints the exact lines where the issues are, saving me so much time in debugging