20 Browser Extensions For Web Design & Development (2024)

by Montel Anthony
Published: Updated:

Looking to level up your web design and development game? Browser extensions can be your secret weapon! From streamlining workflows to boosting productivity, these handy tools offer a range of features to make your life easier. Dive into our listicle for a curated selection of the best browser extensions tailored for web designers and developers.

Discover how these extensions can revolutionize your coding experience, optimize website performance, and unleash your creativity. Whether you need help with color schemes, code debugging, or responsive design testing, we’ve got you covered. Scroll down for reviews of our top picks and take your skills to the next level!

Key Takeaways

  • Enhance Font Identification: Utilize browser extensions like WhatFont to easily identify fonts on web pages, aiding in design inspiration and consistency.
  • Effortless Color Sampling: Streamline color selection with ColorZilla, enabling designers to pick colors from any webpage for cohesive color schemes.
  • Streamline Development Analysis: Simplify technology detection with Wappalyzer, revealing the technologies used on websites for informed development decisions.
  • Comprehensive Development Tools: Access a range of development tools such as Web Developer extension for debugging, editing CSS, and analyzing web pages efficiently.
  • Improve Readability with Dark Mode: Enhance readability and reduce eye strain during late-night work sessions using Dark Reader extension for a more comfortable browsing experience.
  • Simplify JSON Data Interpretation: Facilitate JSON data interpretation by formatting it neatly with JSON Formatter, aiding in understanding complex data structures effectively.

1. WhatFont

WhatFont / 20 Browser Extensions For Web Design & Development

WhatFont is a browser extension that allows you to identify fonts on any webpage easily. With just a click, you can view font details such as size, style, and color, making it a valuable tool for web designers and developers.

  • Quickly determine the font used on a website without the need to inspect elements or search through code.
  • Simplify font identification by directly hovering over the text of interest.
  • Provides instant information about the fonts being utilized in various forms on the page.

This extension streamlines the font selection process by eliminating the lot of time-consuming steps usually required to identify specific fonts on a webpage. By offering quick access to font details, WhatFont enhances efficiency in design tasks and helps in maintaining design consistency across projects.

Utilizing WhatFont can significantly improve your workflow by providing essential font information at your fingertips. Whether you’re working on designing a website or developing web content, this tool proves to be an invaluable asset in ensuring that your chosen front-end elements align seamlessly with your overall design vision.

2. ColorZilla

ColorZilla / 20 Browser Extensions For Web Design & Development

ColorZilla is a versatile browser extension tailored for web designers and developers, offering unique features that streamline color-related tasks.

  • Easily pick colors from any webpage with precision.
  • Create customized color palettes for design projects efficiently.
  • Analyze color codes accurately to ensure consistency in your designs.

Utilizing ColorZilla, professionals can expedite the color selection process, enhancing workflow productivity.

The extension’s ability to extract colors directly from web pages simplifies the task of matching existing color schemes or gathering inspiration from various online sources.

By enabling users to create and save custom color palettes, ColorZilla facilitates the organization and reuse of preferred color combinations across different projects seamlessly.

With its precise color code analysis feature, this extension ensures that designers maintain consistency in their color choices, leading to visually cohesive and appealing designs.

Incorporating ColorZilla into your browser toolkit can significantly improve your efficiency in handling color-related aspects of web design and development projects.

Enhance your design workflow by harnessing the power of ColorZilla for seamless color selection, palette creation, and accurate color code analysis.

3. Wappalyzer

Wappalyzer / 20 Browser Extensions For Web Design & Development

Wappalyzer is a powerful browser extension tailored for web designers and developers, offering unique features that cater to the tech-savvy community. Detecting technologies used on websites is its forte, providing valuable insights into the tools and frameworks employed in web development projects.

Key Features:

  • Identify the programming languages, content management systems, e-commerce platforms, web servers, and more utilized by any website.
  • Gain access to a detailed breakdown of technologies present on a site, aiding in competitor analysis and benchmarking.
  • Enhance your understanding of industry trends by uncovering the latest tools and software being adopted across the web.

Insights and Benefits:

  • By utilizing Wappalyzer, you can streamline your competitive analysis capabilities, allowing you to stay ahead of the curve in web design trends.
  • Access to real-time data on technologies empowers you to make informed decisions when selecting tools for your own projects.
  • The extension’s ability to recognize a wide array of technologies provides a comprehensive view of the digital landscape, enabling you to adapt your strategies effectively.

Incorporating Wappalyzer into your browser arsenal elevates your web development workflow by offering valuable insights at a glance. Stay informed, stay competitive with this indispensable tool.

4. Web Developer

Web Developer / 20 Browser Extensions For Web Design & Development

Web Developer is a versatile browser extension tailored for web developers and designers. It offers a plethora of tools to enhance the web development process, making it an indispensable asset in the digital design world.

  • Access a diverse array of web development tools within your browser, eliminating the need to switch between multiple applications.
  • Inspect and edit CSS and HTML in real-time directly on the webpage, allowing for quick adjustments and optimizations without the hassle of switching back and forth between code editors.
  • Improve website performance and functionality by utilizing features that streamline workflows and optimize various aspects of web pages.

With Web Developer, users can seamlessly integrate essential functionalities into their browsing experience, enabling efficient coding, testing, and debugging processes. This extension empowers web designers and developers to fine-tune websites with precision while saving time and effort.

By providing easy access to critical tools such as element inspection, responsive design modes, color pickers, and more, Web Developer simplifies complex tasks inherent in web development, fostering a more productive environment for professionals in the field.

Web Developer Checklist stands out as a comprehensive solution that caters to the evolving needs of modern web design and development practices. Its user-friendly interface coupled with powerful features makes it a valuable companion for anyone navigating the intricate landscape of digital technologies.

5. Dark Reader

Dark Reader / 20 Browser Extensions For Web Design & Development

Dark Reader is a browser extension that offers a unique feature of enabling dark mode on any website, enhancing the browsing experience for web designers and developers. By customizing contrast and brightness settings, users can tailor their viewing experience to reduce eye strain, especially during late-night work sessions.

This extension stands out in the realm of browser extensions for web design and development due to its ability to transform websites into dark themes seamlessly. The convenience it provides in adjusting brightness levels contributes significantly to creating a comfortable environment for extended periods of screen time.

With Dark Reader, users have access to a vast library of customization options, allowing them to tweak various aspects of the dark mode according to their preferences. This level of control over the visual elements ensures that users can optimize their workflow and focus on tasks without being hindered by bright, glaring screens.

Incorporating Dark Reader into the web design and development process not only enhances aesthetics but also promotes better eye health by mitigating the harsh effects of prolonged exposure to bright screens. By offering a simple yet effective solution for implementing dark mode across all websites, this extension proves to be a valuable tool for individuals in the digital creative field.

6. JSON Formatter

JSON Formatter / 20 Browser Extensions For Web Design & Development

JSON Formatter is a valuable tool for web developers and designers to enhance the readability, validation, and debugging of json data efficiently.

  • Format JSON Data: Easily structure and format complex JSON objects for improved readability, making it easier to analyze and understand the data’s hierarchy.
  • Validate and Debug Quickly: Instantly validate JSON syntax errors and debug issues within the data structure, ensuring smoother development processes.
  • Copy Formatted JSON: Seamlessly copy the formatted JSON output with a simple click, saving time and effort when transferring or sharing code snippets.

Utilizing a JSON Formatter extension streamlines the process of handling JSON data during web design and development tasks. It simplifies the interpretation of intricate data structures, accelerates debugging procedures, and promotes efficient collaboration among team members.

7. Session Buddy

Session Buddy / 20 Browser Extensions For Web Design & Development

Session Buddy is a versatile browser extension that caters to the needs of web designers and developers by offering efficient session management capabilities.

  • Save and Restore Tabs: With Session Buddy, users can save a bunch of tabs from different browsing sessions, ensuring that important websites and resources are easily accessible at any time.
  • Organize into Groups: This extension allows users to organize their tabs into groups, enabling a more structured workflow for enhanced productivity.

Managing Multiple Sessions Efficiently:

  • Users can seamlessly switch between different browsing sessions without losing track of important tabs, making it ideal for multitasking professionals in the web design and development field.
  • By efficiently managing multiple sessions, web designers and developers can streamline their work process and focus on tasks without the hassle of searching for specific tabs.

Enhanced Productivity:

  • The ability to save and restore tabs with Session Buddy not only saves time but also reduces the risk of losing valuable information stored in cookies or on server-based platforms.
  • By utilizing Session Buddy’s features, professionals can maintain a clutter-free browsing experience and stay organized throughout their projects.

8. Visbug

Visbug / 20 Browser Extensions For Web Design & Development (2024)

Visbug is a powerful browser extension tailored for web designers and developers, offering unique features that streamline the design process.

  • Visualize and edit: Allows users to visualize and edit web designs directly on the page, providing a real-time preview of changes.
  • Modify CSS properties visually: Enables users to modify CSS properties visually, making it easier to customize and style elements without diving into code.
  • Intuitive tools: Streamlines the design process with intuitive tools that enhance productivity and creativity.

With Visbug, designers can make quick adjustments, experiment with different styles, and see the impact instantly. It empowers users to fine-tune every aspect of their design without the need for constant back-and-forth between code and preview mode.

This extension enhances collaboration by allowing team members to communicate design ideas more effectively through visual editing. By providing a seamless way to interact with website elements, Visbug promotes creativity and efficiency in web development projects.

Whether you are a seasoned designer or just starting in the field, Visbug offers a user-friendly interface that caters to various skill levels. Its visual approach to design modifications simplifies complex tasks, making it an essential tool in the arsenal of any web professional.

9. User-Agent Switcher

User-agent Switcher / 20 Browser Extensions For Web Design & Development (2024)

User-Agent Switcher is a valuable browser extension that allows web developers to simulate different devices and browsers for testing, aiding in ensuring optimal website performance across various platforms. This tool enables users to modify their user agents, mimicking different browsers like Firefox or Chrome, and various devices, providing a more accurate representation of how a website appears on different setups.

By using User-Agent Switcher, developers can easily check website responsiveness across platforms, identifying and addressing any issues related to user-agent compatibility. This extension is particularly useful for debugging user-agent related issues effectively, allowing developers to troubleshoot problems efficiently and optimize their websites for diverse user experiences.

One of the main use cases of User-Agent Switcher is its ability to help developers view websites as they would appear on different devices, such as smartphones, tablets, or desktops. This feature is crucial in ensuring that websites are responsive and visually appealing across a wide range of screen sizes.

10. CSS Viewer

CSS Viewer / 20 Browser Extensions For Web Design & Development (2024)

This is a powerful browser extension tailored for web designers and developers, offering unique features that streamline the CSS inspection process.

  • Inspect CSS Styles: Easily examine the CSS styles applied to various elements on a webpage, enabling quick identification of design components.
  • Detailed Information: Gain in-depth insights into colors, fonts, spacing, and other style attributes with precision, facilitating efficient debugging and customization.
  • Effortless Code Snippets: Seamlessly copy CSS code snippets directly from the extension interface, saving time and enhancing workflow productivity.

11. Quick Source Viewer

Quick Source Viewer

Quick Source Viewer is a great tool for web designers and developers, allowing them to view the source code of a webpage swiftly without unnecessary steps. This simple browser extension enhances accessibility to the underlying HTML structure and scripts, aiding in efficient analysis and troubleshooting.

Key Features:

  • Instant access to the source code of any webpage.
  • Easy navigation through the source code for quick reference.
  • Simplifies the process of analyzing elements and scripts on a website.

By providing a seamless way to delve into the source code, Quick Source Viewer streamlines the workflow of developers and designers, saving time and effort. With its user-friendly interface and straightforward functionality, this extension proves to be an invaluable asset in web design and development projects.

In addition to its efficiency, Quick Source Viewer offers these key benefits at an affordable pricing, making it a cost-effective solution for professionals in the field. Whether you need to inspect specific elements or debug scripts, this extension ensures a smooth and productive experience for users.

With Quick Source Viewer, harness the power to explore webpage structures effortlessly, empowering your web design and development endeavors with enhanced accessibility and convenience.

12. Fake Filler

Fake Filler is a browser extension that falls under the free category, designed to assist web designers and developers in generating dummy text and data for web forms efficiently.

  • Save time: The extension helps users save time by automatically filling out repetitive form fields with just a few clicks.
  • Customize fake data: Users can customize the fake data generated by the extension to suit various input types, ensuring realistic testing scenarios.

With Fake Filler, web professionals can streamline their workflow and focus on more critical aspects of design and development without getting bogged down by manual data entry tasks.

13. Web Developer Checklist

Web Developer Checklist

The Web Developer Checklist is a crucial tool for ensuring top-notch web development practices. It aids in validating accessibility and SEO elements, ultimately enhancing website quality and user experience.

  • Comprehensive Validation: The checklist covers a wide range of aspects including HTML, CSS, SEO, performance, security, and more.
  • Accessibility Compliance: Ensures websites are accessible to users with disabilities by checking for proper alt text, keyboard navigation, and other key accessibility features.
  • SEO Optimization: Helps developers optimize websites for search engines by verifying meta tags, headings structure, and other SEO essentials.

By utilizing the Web Developer Checklist, developers can streamline their workflow and catch potential issues early on in the development process. This proactive approach leads to improved site performance and better user engagement.

  • Enhanced User Experience: By following the checklist’s guidelines, developers can create websites that are user-friendly, responsive, and visually appealing.
  • Error Prevention: Identifies common errors like broken links, missing image descriptions, or slow-loading pages before they impact the site’s functionality.

Using the Web Developer Checklist into the web development process ensures that websites meet industry standards for accessibility, SEO, and overall quality. This results in a seamless user experience and higher search engine rankings.

14. Daily.Dev


Developer news enthusiasts, rejoice! Daily.Dev is a must-have browser extension for staying updated with the latest trends and resources in the world of web development. With a focus on providing developer tools average rating, this extension offers a curated selection of articles and news pieces to enhance your professional knowledge and skills.

  • Stay informed: Get access to trending articles, news updates, and valuable resources directly within your browser.
  • Curated content: Daily.Dev sifts through the vast sea of information to bring you only the most relevant and high-quality developer news.
  • Time-saving: Instead of scouring multiple websites for updates, this extension consolidates everything you need in one convenient location.

Whether you’re a seasoned developer looking to stay ahead of the curve or a newcomer eager to learn, Daily.Dev caters to developers of all levels. By providing data-driven insights and dimensions into the ever-evolving field of web development, this extension serves as a valuable companion in your quest for knowledge.

Embrace the power of Daily.Dev to streamline your learning process, discover new tools and techniques, and immerse yourself in the dynamic world of web development.

15. LT Debug

LT Debug is a powerful browser extension designed to aid in debugging JavaScript code effectively. It offers a range of features that streamline the debugging process for web developers and designers.

  • Efficient Debugging: With LT Debug, developers can quickly set breakpoints in their code to pause execution at specific points and inspect variables, allowing for precise debugging.
  • Variable Inspection: The extension provides a user-friendly interface for inspecting variables during runtime, making it easier to track and analyze data flow within the code.
  • Error Troubleshooting: Developers can utilize LT Debug to troubleshoot and fix errors efficiently, saving time and enhancing productivity during the development phase.
Check My Links

Check My Links is a valuable browser extension for web design and development that focuses on enhancing website functionality by scanning for broken links. This tool plays a crucial role in ensuring the integrity of links on websites, which is essential for maintaining a seamless user experience.

  • Scans Webpages: Automatically scans webpages to detect any broken links, saving time and effort in manual checking.
  • Verify Link Integrity: Identifies broken links accurately, allowing developers to promptly address and fix redirect issues.
  • Improve Website Credibility: By ensuring all links are functional, the extension contributes to enhancing the credibility of the website in the eyes of users and search engines.

Using Check My Links can significantly improve the overall quality of websites by eliminating broken links that can hinder user navigation and impact SEO performance. By promptly addressing these issues, developers can enhance user experience and boost website credibility.

This extension is particularly beneficial for developers working on large websites with extensive link structures or conducting regular testing and maintenance. Incorporating Check My Links into the web development workflow can streamline the process of link verification and contribute to creating a more reliable and user-friendly website.

17. Checkbot


Checkbot is a valuable browser extension for web design and development, focusing on security aspects. It excels in performing SEO audits on webpages, identifying issues, and providing recommendations to optimize website ranking and visibility.

  • Conducts thorough SEO audits to pinpoint areas for improvement.
  • Offers detailed insights on security vulnerabilities and best practices.
  • Provides actionable recommendations to enhance website performance.

By utilizing Checkbot, web developers can ensure their websites are secure and optimized for search engines. With its comprehensive analysis and practical suggestions, Checkbot acts as a reliable tool for enhancing the overall quality of web projects.

18. ClickUp


Enhance Team Productivity: ClickUp is a versatile browser extension that allows for seamless collaboration on web design projects. It facilitates effective task management, timeline tracking, and resource allocation, ultimately enhancing team productivity.

Streamline Project Delivery: By utilizing ClickUp, web design teams can streamline their project delivery process. The extension enables users to efficiently manage tasks, make necessary edits, and track progress in real-time, ensuring timely project completion.

Efficient Task Management: ClickUp offers pro tips for efficient task management within web design projects. Users can easily prioritize tasks, make necessary changes, and stay organized throughout the project lifecycle.

Real-Time Tracking: With ClickUp, teams can track timelines and resources in real time, allowing for quick adjustments and ensuring that projects stay on schedule. This feature helps in identifying and addressing any issues promptly to avoid delays.

Collaborative Workspace: ClickUp provides a collaborative workspace where team members can work together seamlessly on web design projects. It allows for easy communication, file sharing, and feedback exchange to foster a productive working environment.

Customizable Features: The extension offers customizable features tailored to the specific needs of web design teams. Users can personalize their workspace to suit their preferences and optimize their workflow effectively.

19. IE Tab

IE Tabs

IE Tab is a browser extension that allows users to test websites in Internet Explorer compatibility mode without leaving their current browser. This extension is particularly useful for web designers and developers who need to ensure cross-browser compatibility and debug issues specific to Internet Explorer.

Key Features:

  • Compatibility Testing: Easily switch between rendering engines to view how websites appear in Internet Explorer.
  • Convenience: Test websites without the need to open a separate browser or window.
  • Efficiency: Streamline the testing process by staying within the current browser environment.


  • According to recent statistics, around 5% of global internet users still use Internet Explorer as their primary browser, making it crucial for developers to optimize their websites for this platform.
  • By utilizing IE Tab, developers can identify and resolve compatibility issues efficiently, ensuring a seamless user experience across different browsers.

Benefits of IE Tab:

  • Simplifies the testing process by providing quick access to Internet Explorer rendering within the existing browser.
  • Saves time by eliminating the need to switch between browsers for compatibility checks.
  • Enhances productivity by enabling developers to address IE-specific issues promptly.

20. Lorem Ipsum Generator

Lorem Ipsum Generator

Lorem Ipsum text is essential for creating design mockups, and the Lorem Ipsum Generator extension simplifies this process. It allows users to customize text length and format, enhancing the visual presentation during design stages.

  • Generate placeholder text for design mockups.
  • Customize text length and format.
  • Enhance visual presentation during design stages.

This browser extension streamlines the workflow of web designers and developers by providing quick access to filler text. By offering the ability to adjust the length and format of the generated text, it caters to specific design needs efficiently.

The Lorem Ipsum Generator stands out among other tools for its simplicity and effectiveness in generating placeholder content. Designers can easily insert dummy text into their projects with just a few clicks, saving time and effort in the design process.

With this extension, designers can focus more on the layout, structure, and overall aesthetics of their designs without worrying about creating realistic content manually. It ensures that the emphasis remains on the visual aspects of the project while maintaining a professional look with coherent placeholder text.


You’ve now explored a variety of browser extensions that can enhance your web design and development workflow. These tools, ranging from WhatFont for font identification to Web Developer Checklist for comprehensive site analysis, offer valuable functionalities to streamline your work and boost productivity. By utilizing these extensions, you can save time, improve accuracy, and elevate the quality of your projects.

Incorporating these browser extensions into your toolkit can revolutionize how you approach web design and development tasks. Take advantage of these resources to optimize your workflow, stay organized, and deliver exceptional results. Keep experimenting with different tools to find the perfect combination that suits your unique needs and preferences. Enhance your skills and efficiency by harnessing the power of these browser extensions today!

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