Software Alternatives, Accelerators & Startups

CSSViewer VS CodeUtil.dev

Compare CSSViewer VS CodeUtil.dev and see what are their differences

CSSViewer logo CSSViewer

A simple CSS property viewer

CodeUtil.dev logo CodeUtil.dev

Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.
  • CSSViewer Landing page
    Landing page //
    2023-09-30
  • CodeUtil.dev Landing page
    Landing page //
    2026-03-09

CodeUtil.dev is a collection of 20+ browser-based developer tools. JSON formatter & validator, regex tester, cron expression generator, Base64 encoder/decoder, JWT debugger, URL parser, hash generator, and more. Everything runs client-side โ€” no data leaves your browser. No sign-up needed, just open and use.

CSSViewer features and specs

  • 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 of CSSViewer

  • 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.

CodeUtil.dev features and specs

  • Free Online Developer Tools
    CodeUtil.dev provides a collection of free online utilities for developers, making it easy to access commonly needed tools without installing software or paying for subscriptions.
  • Wide Range of Utilities
    The site offers a variety of developer-focused tools such as formatters, encoders/decoders, converters, and generators, covering many common tasks developers encounter daily.
  • No Installation Required
    Being a web-based platform, developers can use the tools directly in their browser without needing to download or install any software, making it convenient and accessible from any device.
  • Simple and Clean Interface
    The site features a straightforward, easy-to-navigate interface that allows developers to quickly find and use the tool they need without unnecessary clutter or distractions.
  • Privacy-Friendly Client-Side Processing
    Many of the tools process data client-side in the browser, meaning sensitive code or data doesn't necessarily need to be sent to a server, which can be beneficial for privacy-conscious users.

Possible disadvantages of CodeUtil.dev

  • Limited Advanced Features
    As a collection of simple utilities, CodeUtil.dev may lack the advanced features and customization options that dedicated standalone tools or IDE plugins can offer for complex tasks.
  • Relatively Unknown Platform
    Compared to well-established alternatives like DevUtils, CyberChef, or similar developer tool sites, CodeUtil.dev has a smaller user base and community, which may mean less feedback-driven improvement.
  • Internet Dependency
    Being a web-based tool, it requires an active internet connection to access. Developers working offline or in restricted network environments cannot use the tools.
  • Limited Documentation and Support
    The platform may lack comprehensive documentation, tutorials, or dedicated support channels compared to more established developer tool platforms.
  • Potential Data Security Concerns
    While some tools may process data client-side, users must still trust the website with any data they input, and it may not always be clear which tools send data to a server and which do not.

Analysis of CodeUtil.dev

Overall verdict

  • CodeUtil.dev appears to be a useful, no-frills online toolkit for developers, offering a collection of everyday coding utilities in one convenient place. It's generally considered good for quick tasks, though as with any online tool, users should exercise caution with sensitive data.

Why this product is good

  • Provides a centralized collection of common developer utilities such as formatters, encoders/decoders, and converters, saving time versus hunting for separate tools
  • Browser-based access means no installation or setup is required, making it accessible from any device
  • Typically free to use, lowering the barrier for occasional or hobbyist developers
  • Clean, focused interfaces for individual tools reduce friction for quick one-off tasks
  • Handy for common operations like JSON formatting, Base64 encoding, hashing, and text transformations

Recommended for

  • Developers needing quick access to common formatting, encoding, and conversion tools
  • Students and beginners learning to work with data formats like JSON, XML, or Base64
  • Professionals who want a bookmarkable collection of utilities without installing software
  • Anyone doing occasional one-off tasks like generating hashes or converting timestamps
  • Teams looking for lightweight, shareable web-based tools (while avoiding pasting truly sensitive or proprietary data)

Category Popularity

0-100% (relative to CSSViewer and CodeUtil.dev)
Design Tools
100 100%
0% 0
Developer Tools
62 62%
38% 38
Development
100 100%
0% 0
Utilities
0 0%
100% 100

Questions & Answers

As answered by people managing CSSViewer and CodeUtil.dev.

What makes your product unique?

CodeUtil.dev's answer:

CodeUtil.dev runs entirely in the browser โ€” all processing happens on your device, so your data never touches a server. It bundles 20+ tools (JSON, regex, Base64, JWT, cron, hashing, and more) under one roof with zero sign-up. Just open the page and start working.

User comments

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Social recommendations and mentions

Based on our record, CSSViewer seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CSSViewer mentions (5)

  • 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 that allows you to hover over any element on a webpage and instantly view its corresponding CSS properties and values. - Source: dev.to / about 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 data that makes up the element youโ€™re pointing at. - Source: dev.to / about 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 / over 4 years ago
  • 21 Chrome Extension for web developer and designer
    CSSViewer helps us to view CSS properties of an object in a web page in the most general way such as color, font, size, position... You just need to select this utility and hover your mouse over the object that they want. If you want, the CSS information will automatically appear. CSSViewer. - Source: dev.to / almost 5 years ago
  • Awesome Tools and Technologies I Use as a Developer!
    CSSViewer - For viewing and inspecting CSS on a page. - Source: dev.to / over 5 years ago

CodeUtil.dev mentions (0)

We have not tracked any mentions of CodeUtil.dev yet. Tracking of CodeUtil.dev recommendations started around Mar 2026.

What are some alternatives?

When comparing CSSViewer and CodeUtil.dev, you can also consider the following products

CSS Peeper - Smart CSS viewer tailored for Designers.

CodifyFormatter.org - Free Online Tools like Beautify Code, Minifiy Code, Code Converter, Code Formatter, Viewer, Editor for Developer: JSON, XML, HTML, CSS, JavaScript, Java, SQL, CSV and Excel and String Tools

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

DevToys - A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.

Unused CSS finder - Crawl your website and find unused CSS

DuskTools.app - 150+ free browser-based developer tools - no sign-up, no tracking, no backend. JSON formatter, Base64 encoder, regex tester, JWT decoder, UUID generator, HTTP status lookup, MIME types, port reference, cron builder & more. Everything runs locally in