CSS Peeper icon

CSS Peeper

by Sparkglare Sp. Z o.o. · csspeeper.com · Developer Tools
FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

Inspect website styles in seconds. Supercharge your workflow, and save hours of work.

Users
500K
+100K in 30 days
Rating
2.6 / 5
−1.48 in 30 days
Ratings
477
+4 in 30 days
Store rank
#694
#636 among extensions
Version
1.2.3
updated 11 Sep 2026

Users

monthly, 3 years
100K300K500KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 500,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
100288477Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 477 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About CSS Peeper

CSS Peeper is the ultimate Chrome extension for designers and developers who want a seamless way to inspect and extract design properties from any website. Say goodbye to digging through complex code. CSS Peeper provides an intuitive, organized interface to access key design details. Professionals deserve tools that save time. Let CSS Peeper streamline your workflow and help you work smarter, not harder. Join 500,000+ professionals who are already making the most of their time. Supercharge your workflow with advanced design inspection features and save hours of work. No more digging in a code. 👉 Get CSS Peeper for Free! Install now and start inspecting websites in seconds. Visit https://csspeeper.com for more details. 🔍 FREE Core features: ✦ Inspect design properties effortlessly. Stop digging through the code. Save hours by quickly inspecting element properties with a simple point-and-click. ✦ Explore colors used on your favorite sites. Browse a variety of colors, find inspiration, and easily check contrast. Love a palette? Export it to your favorite design tool. ✦ Identify typography. Explore the typography across any site, uncover unique font pairings, and check the most relevant text properties. ✦ Explore assets. Browse and download all images, icons, and graphics used across a website. ⭐️ Premium features: ✦ Instantly preview and copy the CSS of any element, turning great design into reusable code. ✦ Browse and explore the typography in use on any website. Preview the typography hierarchy to understand font choices, sizes, and styles, helping you design confidently and efficiently. ✦ Effortlessly identify typography instances and gain deeper insights into font style applications. Navigate to a dedicated screen to inspect each type of style with precision. ✦ Browse colors by semantic grouping including typography, background, border, and more. Identify colors in context to get more insights. ✦ Inspect individual color instances and explore their use cases, including value, category, class, and design token. ✦ Explore gradients color by color and preview every shade to recreate stunning visual effects with precision. ✦ Contrast scanner helps you stay aligned with the best accessibility practices. Instantly assess contrast issues, ensuring your websites are beautiful and accessible. ✦ Smart Inspector offers an advanced way to inspect design details at a glance. It provides deeper insights into design properties, including color contrast, shadows, and elevation effects. ✦ Switch to Sidebar Mode to gain full access to the website’s viewport. You can see the full list of available features at https://csspeeper.com/pricing ---------------------------------------------------- By using the CSS Peeper extension, you agree to our Terms & Conditions (https://csspeeper.com/terms-and-conditions) and Privacy Policy (https://csspeeper.com/privacy-policy). CSS Peeper is proud to support Learn to Code, a nonprofit that supports our mission to help everyone become better coders. By using affiliate links, we invite you to help our mission when you are shopping at partner stores, at no cost to you. Support is always optional, and can be permanently disabled at any time.

Growth

WindowUsersChangeRatingsRating
7 days+100K+25.0%+1−1.47
30 days+100K+25.0%+4−1.48
6 months0+0.0%+11−1.55
1 year0+0.0%+31−1.67

Chrome Web Store search rankings

Where CSS Peeper appears when people search the store, with the 30 day change
Search phrasePosition30 days
details#26+2
identify#29−3
style#31−20
mission#54−27
features#87+12

Version history

32 versions recorded
1.2.311 Sep 2026
1.2.24 May 2026
1.2.126 Mar 2026
1.2.021 Jan 2026
1.1.010 Nov 2025
1.0.1925 Sep 2025
1.0.1819 Sep 2025
1.0.179 Sep 2025

Details

Category
Developer Tools
First seen
12 Apr 2017
Size
1.8 MB
Languages
en
Pricing
in_app
Privacy policy
csspeeper.com
Support
csspeeper.featurebase.app
Extension ID
mbnbehikldjhnfehhnaidhjhoofhpehk

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
storagesidePanelactiveTabtabsalarmsscriptingunlimitedStoragewebRequest
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

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