Javascript Uppercase to lowercase conversion

 This javascript uppercase to lowercase converter is used to convert the uppercase to lower case. This case converter is for free use.Textarea or textbox value is converted.


  • You convert the uppercase letters in textarea or textbox to lowercase letters using this javascript case converter.
  • This is a free case converter.
  • Just copy the code and use it.


Uppercase To Lowercase Converter

Type Uppercase Letters


<!-- Script by -->
<script type="text/javascript">
function lower(ustr)
var str=ustr.value;ustr.value=str.toLowerCase();
Type Upper-case Letters<textarea name="address" onkeyup="lower(this)"></textarea>
&copy;<a href="" style="color:#3D366F;text-decoration:none;cursor:pointer"></a>
<!-- Script by -->
  • Release Date - 07-04-2008
  • Get free version without ©copyright link for just $10/-
  • For customization of this script or any script development, mail to


  • Creating the form by copying the above code.
  • The javascript function lower() is triggered on when the letter is typed and it will convert the letter into lowercase.
  • Just copy the javascript code and use it for free.


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