HTML <input> maxlength Attribute

HTML <input> Tag

Definition and Usage

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

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

Syntax

<input maxlength="number">

Attribute Value

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

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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HTML <input> Tag