HTML <button> formenctype Attribute

HTML button Tag Reference HTML <button> tag

Example

A form with two submit buttons. The first submit button submits the form data with default character encoding, and the second submits the form data without character encoding:

<form action="demo_post_enctype.asp" method="post">
  Name: <input type="text" name="fname" value="Ståle Refsnes"><br>
  <button type="submit">Submit with character encoding</button>
  <button type="submit" formenctype="text/plain">Submit without character encoding</button>
</form>

Try it yourself »

Definition and Usage

The formenctype attribute specifies how form-data should be encoded before sending it to a server. This attribute overrides the form's enctype attribute.

The formenctype attribute is only used for buttons with type="submit".


Browser Support

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

Attribute
formenctype 9.0 10.0 4.0 5.1 10.6

Differences Between HTML 4.01 and HTML5

The formenctype attribute is new in HTML5.


Syntax

<button type="submit" formenctype="value">

Attribute Values

Value Description
application/x-www-form-urlencoded Default. All characters will be encoded before sent
multipart/form-data No characters are encoded (use this when you are using forms that have a file upload control)
text/plain Spaces are converted to "+" symbols, but no characters are encoded

HTML button Tag Reference HTML <button> tag

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