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Random Password Generator using php and jQuery ajax

A random password generator is a tool that creates strong, unpredictable passwords to enhance the security of your online accounts. These passwords are often a combination of letters, numbers, and special characters, making them difficult for hackers to crack. By using PHP and jQuery AJAX, you can implement this tool on your website. In this article, we will explore how to create a Random Password Generator using PHP and jQuery AJAX, adding an extra layer of security to your website.

How Does it Work?

The Random Password Generator we’ll create combines the power of PHP and jQuery AJAX. PHP generates the random password on the server, and jQuery AJAX allows seamless integration with your website. Users can generate strong passwords with just a click.

Building the Random Password Generator

To create a Random Password Generator, follow these steps:

Set Up Your Development Environment: Ensure you have a server with PHP and jQuery installed.

Create a Form: Design a simple HTML form that includes a button to generate a random password.

<div class="container mt-5">
        <div class="row d-flex justify-content-center">
            <div class="col-lg-6 col-md-6 col-sm-12 col-12 mt-5">

                <div class="form-box mt-5">

                    <h6 class="mb-3 fw-bold">Password Generator</h6>
                    <div id="password-container mb-3">
                        <input type="text" name="password" class="form-control" id="password" value="<?php echo $password; ?>">


                    <div class="d-flex justify-content-center mt-3">
                        <button id="generate-password" class="w-75 btn btn-outline-primary">Generate Password</button>







Implement PHP Logic: Write PHP code to generate a random password with your desired length and complexity.

    function generatePassword($length = 12) {
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()_+{}[]|:;"<>,.?/';
        $password = '';
        $charactersLength = strlen($characters);
        for ($i = 0; $i < $length; $i++) {
            $password .= $characters[rand(0, $charactersLength - 1)];
        return $password;

    // Generate a 12-character password
    $password = generatePassword();

    echo $password;


Integrate jQuery AJAX: Use jQuery to call the PHP script asynchronously when the user clicks the button. The generated password will be displayed on the page without requiring a page refresh.

<script type="text/javascript">
        $(document).ready(function() {
            // When the "Generate Password" button is clicked
            $("#generate-password").click(function() {
                // Make an AJAX request to the server
                    url: "generate_password.php", // Replace with the actual server-side script URL
                    type: "GET",
                    success: function(data) {
                        // Display the generated password in the 'password' paragraph
                    error: function(error) {
                        console.log("Error: " + error);


Style the Output: Enhance the user experience by styling the generated password output.

For detailed implementation steps, refer to this jQuery Password Strength Checker using PHP and AJAX tutorial.


In a world where online security is of utmost importance, a Random Password Generator using PHP and jQuery AJAX is a valuable addition to your website. It empowers users to create strong, unique passwords, significantly reducing the risk of security breaches and unauthorized access.



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