Password Validation Checker Using HTML, CSS and JavaScript with Source Code
Welcome to the Password Validation Checker! This interactive tool is designed to help users create strong and secure passwords by providing real-time feedback. As you type your password, the checker instantly validates it against essential security criteria, including minimum length, the inclusion of numbers, uppercase and lowercase letters, and special characters. The visual feedback system ensures that users can easily identify which requirements are met, making the process of creating a secure password simple and effective.
This project utilizes modern web technologies like HTML for structure, CSS for responsive and clean design, and JavaScript for dynamic validation functionality. It also incorporates Font Awesome icons and Google Fonts to enhance the visual appeal. With features like a password visibility toggle and responsive design for mobile and desktop, the Password Validation Checker is both user-friendly and efficient. Whether you're integrating it into a larger application or using it as a standalone tool, it ensures that password security is never compromised.
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Features:
- Real-Time Validation: Instantly checks if the password meets the required security criteria as the user types.
- Password Requirements: Validates the password against five key rules:
- Minimum of 8 characters.
- Contains at least one number (0-9).
- Includes at least one lowercase letter (a-z).
- Includes at least one uppercase letter (A-Z).
- Contains at least one special character (e.g., !, @, #, $).
- Visual Feedback: Displays check icons for fulfilled conditions and circle icons for unmet conditions.
- Show/Hide Password: Allows users to toggle password visibility using an eye icon.
- Responsive Design: Optimized for both desktop and mobile devices.
Technologies Used:
- HTML5: For structuring the web page.
- CSS3: For designing a clean and responsive layout.
- JavaScript: For dynamic functionality like validation logic and toggling password visibility.
- Font Awesome: For using eye and validation icons.
- Google Fonts (Poppins): For modern typography styling.
How to Use:
Enter a Password:
Type a password into the input field.Check Validation Criteria:
As you type, the list below will update in real-time to show which requirements are met. A checkmark (✔️
) appears when a criterion is fulfilled.Toggle Password Visibility:
Click the eye icon (👁️
) to show or hide the password. The icon will switch to an eye-slash when the password is visible.Achieve All Validations:
Ensure that all conditions show a checkmark for a strong and valid password.
Sample Screenshots of the Project
Landing Page

Checking Password

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:
Conclusion:
In conclusion, the Password Validation Checker Using HTML, CSS, and JavaScript is an essential tool for enhancing password security by providing instant, visual feedback on password strength. Its user-friendly design, real-time validation, and responsive layout make it an excellent addition to any web project. By ensuring that passwords meet key security criteria, this tool helps users create strong, reliable passwords effortlessly.
That's it! I hope this "Password Validation Checker 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 SourceCodester.com for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.
FOR YOUR OWN SAFETY, PLEASE:
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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