Palindrome Checker App Using HTML, CSS and JavaScript with Source Code


Welcome to the Palindrome Checker App, a user-friendly tool designed to identify palindromes—words or phrases that read the same forward and backward, disregarding spaces, punctuation, and capitalization. This application is a perfect example of how fundamental web development technologies such as HTML, CSS, and JavaScript can be used to create an interactive and aesthetically pleasing user experience. With its clean and modern interface, the app offers instant feedback and is optimized for seamless performance across various devices.

This project highlights the simplicity and power of combining these core web technologies. HTML provides the structural foundation, CSS enhances visual appeal with stylish layouts and responsive design, and JavaScript brings the app to life with dynamic functionality. Whether you are a beginner looking to understand the basics of web development or an experienced developer seeking a quick and efficient palindrome checker, this app offers both educational value and practical utility.

You may also check this simple HTML, CSS and JavaScript projects:


  • User-Friendly Interface: A clean and modern design with an intuitive layout, making it easy for users to interact with the app.
  • Instant Feedback: Quickly checks if the entered text is a palindrome and provides immediate feedback.
  • Responsive Design: The app is designed to be responsive, ensuring a seamless experience across different devices and screen sizes.
  • Interactive Elements: Features input fields and buttons with hover effects to enhance user interaction.
  • Real-Time Validation: Validates the input text in real-time without the need for page reloads, providing an efficient user experience.

Technologies Used:

  • HTML: Provides the structure of the app, including the input fields and result display.
  • CSS: Adds styling to the app, creating a visually appealing layout with a gradient background, styled buttons, and input fields.
  • JavaScript: Implements the logic for checking if the entered text is a palindrome and updates the user interface with the results.

How to Use:

  1. Open the App: Load the Palindrome Checker App in any modern web browser.
  2. Enter Text: In the input field provided, type the word or phrase you want to check.
  3. Check for Palindrome: Click the "Check" button to determine if the entered text is a palindrome.
  4. View Results: The app will display a message indicating whether the entered text is a palindrome. If it is, the message will be shown in green; if not, the message will be shown in red.

Sample Screenshots of the Project:

Landing Page

Word Check

How to Run?

  • Download the provided source code zip file.
  • Extract the downloaded zip file.
  • Open the html file and you are now ready to go!

Video Demonstration for Installation/Setup:


In conclusion, the Palindrome Checker App effectively demonstrates the integration of HTML, CSS, and JavaScript to build a functional and engaging web application. It serves as a practical tool for quickly determining whether a string is a palindrome while providing an intuitive and visually appealing user experience. This project not only highlights the simplicity and elegance of using core web technologies together but also offers a valuable learning opportunity for anyone interested in web development. Explore, modify, and enhance the app to deepen your understanding and enjoy the process of creating interactive web applications.

That's it! I hope this "Palindrome Checker App Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming projects.

For additional tutorials and free source codes, explore our website.

Enjoy Coding :>>

Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.

Virus note: All files are scanned once-a-day by for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.


1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.

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