HTML maxlength Attribute

Last Updated : 11 Jul, 2025

It specifies the maximum number of characters that have been allowed in the Element.
It can be used on the following Elements:

Attribute Values: It contains a single value number that allows the maximum number of characters in the <input> element. Its default value is 524288.

Examples: In this example, we center a form with "Username" and "Password" fields. The maxlength attribute limits input to 12 characters for the username and 10 for the password.

HTML

<!DOCTYPE html>
<html>
<body>
    <center>
        <h1 style="color:green;font-style:italic;">
          GeeksForGeeks
        </h1>
        <h2 style="color:green;font-style:italic;">
          maxlength attribute
        </h2>
        <form action="">
            Username:
            <input type="text" name="usrname" maxlength="12">
            <br>
            <br> 
            Password:
            <input type="text" name="password" maxlength="10">
            <br>
            <br>
            <input type="submit" value="Submit">
        </form>
    </center>
</body>
</html>

Output:

Example : In this example we centers a textarea with a 4x50 size and limits input to 6 characters using the maxlength attribute. The textarea contains placeholder text for user input.

HTML

<!DOCTYPE html>
<html>

<body>
    <center>
        <h1 style="color:green;font-style:italic;">
            GeeksforGeeks
        </h1>
        <h2 style="color:green;font-style:italic;">
            maxlength attribute
        </h2>
        <textarea rows="4" cols="50" maxlength="6">
          write here something that you want....
        </textarea>
    </center>
</body>

</html>