To Do Checklist Using HTML, CSS and JavaScript with Source Code


Welcome to To Do Checklist Using HTML, CSS, and JavaScript, a streamlined and efficient application designed to help you manage your daily tasks with ease. This project leverages the fundamental building blocks of web development to provide a user-friendly interface where you can add, complete, and remove tasks effortlessly. With a sleek design and persistent data storage, this to-do list ensures that your tasks are always accessible and up-to-date, even after closing your browser or refreshing the page.

This application utilizes HTML for structuring the content, CSS for styling and enhancing the visual appeal, and JavaScript for implementing dynamic interactions and functionality. The integration of localStorage guarantees that your to-do list remains intact, providing a reliable and consistent user experience. Whether you're a beginner looking to learn web development basics or an experienced developer seeking a simple project to manage tasks, this To Do Checklist app offers a practical and engaging solution.

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


  • Add Tasks: Easily add new tasks to your to-do list using a simple input field and a button.
  • Mark Tasks as Completed: Click on a task to mark it as completed, striking through the text to indicate its status.
  • Remove Tasks: Each task has a remove button, allowing you to delete tasks you no longer need.
  • Persistency: The application uses localStorage to save your tasks, so they remain even after you close the browser or refresh the page.
  • Responsive Design: The application is styled to be visually appealing and user-friendly, with a responsive design that works well on various devices.

Technologies Used:

  • HTML: The structure of the application is built using HTML5, providing the basic elements and layout.
  • CSS: Custom styles are applied using CSS3, with a focus on a clean, modern design. The Google Fonts API is used for typography.
  • JavaScript: The functionality of the to-do list, including adding, removing, and marking tasks as completed, is implemented using vanilla JavaScript. The application also utilizes the localStorage API to save and load tasks.

How to Use:

  1. Adding Tasks:

    • Enter your task in the input field at the top of the application.
    • Click the "Add" button to add the task to your list.
  2. Marking Tasks as Completed:

    • Click on the task text to toggle its completion status. Completed tasks will have a line-through style.
  3. Removing Tasks:

    • Click the "Remove" button next to any task to delete it from your list.
  4. Persistency:

    • Your tasks are automatically saved to localStorage. Even if you close your browser or refresh the page, your tasks will remain.

Sample Screenshots of the Project:

Landing Page

Sample Todos

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 To Do Checklist Using HTML, CSS, and JavaScript is a robust and user-friendly application designed to simplify task management. By combining the essential technologies of HTML, CSS, and JavaScript, it delivers a seamless experience for adding, completing, and removing tasks, all while ensuring data persistence through localStorage. This project serves as an excellent example of fundamental web development principles, offering both beginners and seasoned developers a practical tool to stay organized and productive.

That's it! I hope this "To Do Checklist Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming project.

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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