kubiq

<p>Statistics say that WebP format can save over a half of the page weight without losing images quality.<br />
Convert PNG, JPG and GIF images to WebP and speed up your web, save visitors download data, make your Google ranking better.</p>
<ul>
<li><strong>automated test after plugin activation to make sure it will work on your server</strong></li>
<li><strong>works with all types of WordPress installations: domain, subdomain, subdirectory, multisite/network</strong></li>
<li><strong>works on Apache and NGiNX</strong></li>
<li><strong>image URL will be not changed</strong> so it works everywhere, in <img> src, srcset, <picture>, even in CSS backgrounds and there is no problem with cache</li>
<li><strong>original files will be not touched</strong></li>
<li>set quality of converted images</li>
<li>auto convert on upload</li>
<li>only convert image if WebP filesize is lower than original image filesize</li>
<li>bulk convert existing images to WebP ( you can choose folders )</li>
<li>bulk convert only missing images</li>
<li>works with `Fly Dynamic Image Resizer` plugin</li>
</ul>
<h3>Hooks for developers</h3>
<h4>itw_extensions</h4>
<p>Maybe you want to support also less famous JPEG extension like jpe, jfif or jif</p>
<pre><code>add_filter( 'itw_extensions', 'extra_itw_extensions', 10, 1 );
function extra_itw_extensions( $extensions ){
    $extensions[] = 'jpe';
    $extensions[] = 'jfif';
    $extensions[] = 'jif';
    return $extensions;
}
</code></pre>
<h4>itw_sizes</h4>
<p>Maybe you want to disable WebP for thumbnails</p>
<pre><code>add_filter( 'itw_sizes', 'disable_itw_sizes', 10, 2 );
function disable_itw_sizes( $sizes, $attachmentId ){
    unset( $sizes['thumbnail'] );
    return $sizes;
}
</code></pre>
<h4>itw_htaccess</h4>
<p>Maybe you want to modify htaccess rules somehow</p>
<pre><code>add_filter( 'itw_htaccess', 'modify_itw_htaccess', 10, 2 );
function modify_itw_htaccess( $rewrite_rules ){
    // do some magic here
    return $rewrite_rules;
}
</code></pre>
<h4>itw_abspath</h4>
<p>Maybe you use roots.io/bedrock or other custom folder structure</p>
<pre><code>add_filter( 'itw_abspath', 'modify_itw_abspath', 10, 2 );
function modify_itw_abspath( $abspath ){
    return trailingslashit( WP_CONTENT_DIR );
}
</code></pre>
<h4>$images_to_webp->convert_image()</h4>
<p>Maybe you want to automatically generate WebP for other plugins</p>
<pre><code>add_action( 'XXPLUGIN_image_created', 'XX_images_to_webp', 10, 2 );
function XX_images_to_webp( $image_path ){
    global $images_to_webp;
    $images_to_webp->convert_image( $image_path );
}
</code></pre>


Images to WebP

Great

Convert PNG, JPG and GIF images to WebP and speed up your web

redcocker

<p>This plugin converts your post/page to PDF for visitors and visitors can download it easily.</p>
<p>You can add a download link above/below every posts/pages.</p>
<p>Note: This plugin requires PHP 5.</p>
<h4>Features</h4>
<ul>
<li>Base on “<a href="http://www.tcpdf.org/" title="TCPDF" rel="nofollow ugc">TCPDF</a>“.</li>
<li>Convert your posts/pages to PDF file dynamically or statically.</li>
<li>Easy to add a download link into every or specified posts/pages.</li>
<li>Support caching created PDFs.</li>
<li>Easy to add your TrueType fonts.</li>
<li>Easy to configure.</li>
</ul>
<h4>Localization</h4>
<ul>
<li>日本語(Japanese) by redcocker</li>
<li>Deutsch(German) by Uli Sobers(<a href="http://www.free-templates-sobers.de/" title="Free Templates" rel="nofollow ugc">Free Templates</a>, <a href="http://www.iq137.de/" title="IQ137" rel="nofollow ugc">IQ137</a>)</li>
</ul>
<h4>Support plugins</h4>
<p>You can use POST2PDF Converter with following code syntaxhighlighter plugins and convert posts/pages with sourcecodes to PDF.</p>
<ul>
<li><a href="https://wordpress.org/extend/plugins/wp-syntaxhighlighter/" title="WP SyntaxHighlighter" rel="ugc">WP SyntaxHighlighter</a></li>
<li><a href="https://wordpress.org/extend/plugins/syntaxhighlighter/" title="SyntaxHighlighter Evolved" rel="ugc">SyntaxHighlighter Evolved</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-syntax/" title="WP-Syntax" rel="ugc">WP-Syntax</a></li>
<li><a href="https://wordpress.org/extend/plugins/codecolorer/" title="CodeColorer" rel="ugc">CodeColorer</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-codebox/" title="WP-CodeBox" rel="ugc">WP-CodeBox</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-synhighlight/" title="WP-SynHighlight" rel="ugc">WP-SynHighlight</a></li>
<li><a href="https://wordpress.org/extend/plugins/syntax-highlighter-compress/" title="Syntax Highlighter Compress" rel="ugc">Syntax Highlighter Compress</a></li>
<li><a href="https://wordpress.org/extend/plugins/auto-syntaxhighlighter/" title="Auto SyntaxHighlighter" rel="ugc">Auto SyntaxHighlighter</a></li>
<li><a href="https://wordpress.org/extend/plugins/syntax-highlighter-and-code-prettifier/" title="Syntax Highlighter and Code Colorizer for WordPress" rel="ugc">Syntax Highlighter and Code Colorizer for WordPress</a></li>
<li><a href="https://wordpress.org/extend/plugins/syntax-highlighter-mt/" title="Syntax Highlighter MT" rel="ugc">Syntax Highlighter MT</a></li>
<li><a href="https://wordpress.org/extend/plugins/syntaxhighlighterpro/" title="SyntaxHighlighterPro" rel="ugc">SyntaxHighlighterPro</a></li>
<li><a href="https://wordpress.org/extend/plugins/easy-google-syntax-highlighter/" title="Easy Google Syntax Highlighter" rel="ugc">Easy Google Syntax Highlighter</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-geshi-highlight/" title="WP-GeSHi-Highlight" rel="ugc">WP-GeSHi-Highlight</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-code-highlight/" title="WP Code Highlight" rel="ugc">WP Code Highlight</a> etc.</li>
</ul>
<p>You can use POST2PDF Converter with following LaTex plugins and convert posts/pages with mathematical formulas, chemical formulae and charts to PDF.</p>
<ul>
<li><a href="https://wordpress.org/extend/plugins/wp-quicklatex/" title="WP QuickLaTeX" rel="ugc">WP QuickLaTeX</a></li>
</ul>
<p>You can use POST2PDF Converter with following translation plugins and generate translated PDF.</p>
<ul>
<li><a href="https://wordpress.org/extend/plugins/qtranslate/" title="qTranslate" rel="ugc">qTranslate</a></li>
</ul>
<p><strong>This list is only one example.</strong></p>


POST2PDF Converter

This plugin converts your post/page to PDF for visitors and visitors can download it easily.

Images to WebP vs POST2PDF Converter