Dev tools · alternatives · 2026

24 alternatives to CSS-Checker (Find Similar CSS codes)

Show Similarity and Diff in CSS Classes & Styled Components

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CSS-Checker (Find Similar CSS codes) launched in 2022; newer entries below may have overtaken it.

1
CSS Scan 3.0▲256
The fastest and easiest way to check, copy and edit CSS
2022 · getcssscan.com · its alternatives →
2
CSS Scan 2.0▲758
The fastest and easiest way to inspect or copy CSS ⚡️
2019 · getcssscan.com · its alternatives →
3
I made CSS Scan 3.0, a fast way to check and copy CSS▲146
Goodbye to "Inspect Element" — Visualize the CSS of any element you hover over, instantly, and copy its entire rules with a single click.
2022 · getcssscan.com · its alternatives →
4
Unused CSS finder▲299
Crawl your website and find unused CSS
2018 · jitbit.com · its alternatives →
5
A visual guide to the most popular CSS properties▲1,117
CSS Reference is a free visual guide to CSS. It features the most popular properties, and explains them with illustrated and animated examples.
2016 · cssreference.io · its alternatives →
6
CSS Size Analyzer▲98
Identify large CSS rules and selectors
2023 · debugbear.com · its alternatives →
7
Unused CSS▲307
Easily find and remove unused CSS rules
2018 · unused-css.com · its alternatives →
8
CSS Spider▲122
The fastest way to check, copy, export and edit CSS
2020 · cssspider.fresalabs.com · its alternatives →
9
Sorted CSS Colors – Sort the named CSS colors in a nice way▲559
CSS colors sorted by their hue, saturation and lightness
2021 · enes.in · its alternatives →
10LC
LaTeX.css – Make your website look like a LaTeX document▲515
A minimal, almost class-less CSS library to write modern websites that look like LaTeX documents.
2020 · latex.now.sh · its alternatives →
11
CSS Inspector▲141
Get the CSS of any element on the web
2020 · its alternatives →
12
Beautiful CSS Checkboxes by CSS Scan▲109
Curated collection of 65 free beautiful checkboxes
2022 · getcssscan.com · its alternatives →
13
CSS Peeper▲350
Smart CSS viewer tailored for Designers.
2017 · csspeeper.com · its alternatives →
14
CodeScraper▲160
Hover over anything and get the HTML/CSS
2019 · its alternatives →
15
Diffchecker 2.0▲153
Check the differences between two text files, images or PDFs
2020 · diffchecker.com · its alternatives →
16
Dizzle▲73
Simple Fast CSS Selector Engine
2020 · github.com · its alternatives →
17MC
Mimic – class-fied inline CSS▲28
2015 · peterchon.github.io · its alternatives →
18
Diff Text▲216
Dead simple text comparison
2024 · difftext.com · its alternatives →
19
Favicon Checker▲133
Easily compare your favicons on all major web browsers.
2018 · colinkeany.com · its alternatives →
20RH
Randomize HTML content to test your defensive CSS▲104
2021 · cleartax.github.io · its alternatives →
21
A VS Code extension to check incompatible CSS▲21
I've developed a handy tool for Visual Studio Code that makes checking CSS compatibility very easy for developers. It provides instant feedback on syntax, keywords, types, and function compatibility. It even highlights deprecated, non-standard, and experimental features.
2024 · github.com · its alternatives →
22
Diff Checker▲14
Instant AI diff for text, code & JSON right in Chrome
2025 · trust-fish.com · its alternatives →
23
CSS Selectors/Combinators Classifier▲112
Organize and highlight CSS selectors and combinators by type
2023 · its alternatives →
24
Diffchecker▲147
Compare text differences between two text files
2015 · diffchecker.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →