THE WORLD'S LARGEST WEB DEVELOPER SITE

HTML <input> maxlength Attribute

❮ HTML <input> tag

Example

An <input> element with a maximum length of 10 characters:

<form action="/action_page.php">
  <label for="username">Username:</label>
  <input type="text" id="username" name="username" maxlength="10"><br><br>
  <input type="submit" value="Submit">
</form>
Try it Yourself »

Definition and Usage

The maxlength attribute specifies the maximum number of characters allowed in the <input> element.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
maxlength Yes Yes Yes Yes Yes

Syntax

<input maxlength="number">

Attribute Values

Value Description
number The maximum number of characters allowed in the <input> element. Default value is 524288

❮ HTML <input> tag