HTML <button> formenctype Attribute

Example

<form action="action.php" method="get" id="formId">
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname"><br><br>
  <label for="lname">Last name:</label>
  <input type="text" id="lname" name="lname">
  
  <button type="submit" form="formId" value="Submit">Submit</button>
  <button type="submit" formenctype="text/plain">Submit without character encoding</button>
</form>

Try this code ❯

Meaning

The formenctype attribute is set to the MIME type for how data should be transmitted to the URL specified in the action attribute.

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

Demo URL Encoding

First name:

Submit

Standard Syntax

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

Attribute Values

Value	Description
application/x-www-form-urlencoded	(Default) All characters will be encoded before sending data.
multipart/form-data	This value is necessary if the upload a file through the form. (img, video, etc...)
text/plain	Sending data without any encoding. (Not recommended)