<span style="font-family:'Times New Roman'; font-size:15pt">あ</span>
<span style="font-family:'Times New Roman'; font-size:15pt">い</span>
<span style="font-family:'Times New Roman'; font-size:15pt">う</span>
<span style="font-family:'Times New Roman'; font-size:15pt">え</span>
<span style="font-family:'Times New Roman'; font-size:15pt">お</span>

見たいなHTMLを
<span style="font-family:'Times New Roman'; font-size:15pt">あいうえお</span>
に修正してくれるソフトはありますか？