Katsushi Kawamori

<h4>Compress PNG files</h4>
<ul>
<li>Compress PNG files when adding PNG files in Media Library. </li>
<li>Quality can be specified.</li>
<li>Compress can be specified.</li>
</ul>
<h4>Note</h4>
<p>This has no effect on files compressed with TinyPNG. Also, you can’t expect to get the excellent compression and image quality that TinyPNG provides.</p>


Png Compress

Redwoodcity

<p>A plug-in that issues a QR code for public pages of posts, fixed pages, and custom post types. The QR code format is PNG, SVG, EPS, JPEG.</p>


QR Code Management

A plug-in that issues a QR code for public pages of posts, fixed pages, and custom post types. The QR code format is PNG, SVG, EPS, JPEG.

Png Compress vs QR Code Management