SPINX Digital

<p>Convert JPEG, PNG & GIF to WebP and bulk-optimize your Media Library entirely on your own server. No external services. No data sent. No quotas.</p>
<h3>🚀 Local-First WebP Conversion For WordPress</h3>
<p><strong>SPINX Digital Image Converter</strong> generates lightweight WebP versions of your JPEG, PNG, and GIF uploads — including every WordPress-generated thumbnail size — so your pages load faster and your images stay lighter.</p>
<p>Unlike cloud-based optimizers, <strong>all processing happens on your own server</strong> using PHP’s GD or ImageMagick extension. Nothing is uploaded to a third party, no account is required, and there are <strong>no monthly limits or quotas</strong>. Your images never leave your hosting environment.</p>
<p>It’s built for site owners who want faster image delivery, a safe and reversible workflow, and a clear, honest view of exactly what was converted, skipped, restored, or failed — all from a single dashboard.</p>
<h3>✨ Why Choose SPINX Digital Image Converter?</h3>
<ul>
<li><strong>100% Local Processing</strong> — Images are converted on your server with GD or ImageMagick. No external API calls, ever.</li>
<li><strong>Complete Privacy</strong> — No user data is collected or transmitted. No third-party libraries bundled.</li>
<li><strong>Server Limit</strong> — Convert unlimited images, subject to your server’s available resources and processing capacity. </li>
<li><strong>Fully Reversible</strong> — Restore originals and remove generated WebP files at any time, per image or in bulk.</li>
<li><strong>Full Transparency</strong> — A real-time dashboard tracks converted, pending, failed, and storage-saved totals.</li>
</ul>
<h3>🖼️ Features at a Glance</h3>
<ul>
<li>
<p><strong>Automatic Conversion on Upload</strong> — New JPEG, PNG, and GIF uploads are converted to WebP automatically. No manual steps, no forgotten images.</p>
</li>
<li>
<p><strong>Bulk Conversion for Existing Media</strong> — Optimize your entire Media Library in batches. The plugin prepares the image list, processes it in manageable chunks, and updates progress live in the admin UI — ideal for large libraries.</p>
</li>
<li>
<p><strong>Thumbnail Conversion Included</strong> — Every WordPress-generated image size is converted alongside the original attachment, so all served variants benefit from WebP.</p>
</li>
<li>
<p><strong>Choice of Conversion Engine</strong> — Use GD or ImageMagick, with automatic detection based on what’s available on your host and your selected settings.</p>
</li>
<li>
<p><strong>Optimized WebP Quality (Fixed 75%)</strong> — The plugin converts every image at a balanced, fixed 75% WebP quality for an ideal size-to-fidelity trade-off.</p>
</li>
<li>
<p><strong>Media Library Integration</strong> — Convert or restore any individual image directly from Media Library row actions and attachment-level controls.</p>
</li>
<li>
<p><strong>One-Click Restore</strong> — Switch delivery back to your original media files and remove generated WebP files whenever you need to.</p>
</li>
<li>
<p><strong>REST API Access</strong> — Built-in REST endpoints for stats, health checks, logs, settings, exports, and per-image actions — all protected with nonce and capability checks.</p>
</li>
</ul>
<h3>📊 Know Exactly What’s Happening</h3>
<p>Most optimization tools hide the details. SPINX Digital Image Converter gives you a dedicated dashboard with running totals for <strong>converted, pending, failed, and storage saved</strong>, plus a status table during bulk runs. You always know what’s been processed, what’s left, and how much space you’ve reclaimed.</p>
<h3>🔒 Privacy & External Services</h3>
<p>This plugin does <strong>not</strong> contact any external servers. All image processing happens on your own server using PHP’s GD or ImageMagick extension. No third-party libraries are bundled, and no user data is collected or transmitted. What runs on your site stays on your site.</p>
<h3>💡 Best For</h3>
<ul>
<li>Blogs, marketing sites, portfolios, and eCommerce stores that want fast, local WebP generation.</li>
<li>Site owners who need bulk conversion <strong>without</strong> relying on third-party optimization services.</li>
<li>Privacy-conscious teams who require all media processing to stay on their own infrastructure.</li>
<li>Anyone who wants clear visibility into image status and real storage savings.</li>
</ul>


SPINX Digital Image Converter

Convert JPEG, PNG & GIF to WebP and bulk-optimize your Media Library entirely on your own server. No external services. No data sent. No quotas.

imageflux

<h4>概要</h4>
<p>このプラグインは、WordPress サイト内の画像 URL を ImageFlux の URL に置き換えることで、画像の最適化と高速配信を実現するプラグインです。プラグインを使用することで、画像のファイルサイズが削減され、画像の表示速度が向上し、サイト全体の読み込み速度が改善されます。特に、画像を多用するサイトやページの表示速度に課題を感じているWordPressユーザーに最適です。</p>
<h4>対象</h4>
<ul>
<li>WordPressの特定の画像フォルダ（wp-content/uploads）にある画像のみが変換対象となります。</li>
<li>ストレージにAmazon S3を使用している場合は、オリジンに指定したディレクトリが変換対象となります。</li>
<li>画像変換ができる箇所は、アイキャッチ部分と記事内の画像のみです。</li>
<li>テーマ内の画像（ヘッダー、ロゴ、背景）やウィジェット内の画像などは対象外となります。</li>
</ul>
<h4>機能</h4>
<ul>
<li>画像をWebP形式に変換します（そのほか、JPEG, PNG, GIFの出力形式に対応）</li>
<li>画質を調整できます</li>
<li>変換した画像はCDNから配信されます</li>
<li>Amazon S3をオリジンとして使用できます</li>
<li>既存の記事画像も一括で変換します</li>
</ul>
<h4>サポートリンク</h4>
<ul>
<li><a href="https://console.imageflux.jp/docs/wordpress" rel="nofollow ugc">利用マニュアル</a></li>
<li><a href="https://imageflux.sakura.ad.jp/image/price/" rel="nofollow ugc">料金と機能</a></li>
</ul>
<h4>料金プラン</h4>
<ul>
<li><strong>スターター</strong> – 月額無料で利用可能。月間転送量10GiBまで無料、超過分は従量課金。</li>
<li><strong>ベーシック</strong> – 月額5,500円で月間転送量200GiBまで利用可能。超過分は従量課金。</li>
<li><strong>プレミアム</strong> – 月額27,500円で月間転送量1,000GiBまで利用可能。超過分は従量課金。</li>
<li><strong>エンタープライズ</strong> – 大規模利用に最適。料金はお問い合わせください。</li>
</ul>
<p>各プランとも、月間転送量を超過した場合は、超過分に応じた従量課金が適用されます。プランに含まれる転送量を有効活用することで、コストを最適化できます。</p>
<h4>システム要求</h4>
<ul>
<li>PHP> = 7.4</li>
<li>WordPress> = 5.8</li>
</ul>
<h4>著者</h4>
<ul>
<li><a href="https://imageflux.sakura.ad.jp/image/" rel="nofollow ugc">SAKURA internet Inc.</a></li>
</ul>


ImageFlux – 画像を最適化してWebPに変換、CDNで高速配信

さくらインターネット株式会社が提供するImageFluxを活用し、WordPressで簡単に画像を最適化・高速配信できるプラグインです。

SPINX Digital Image Converter vs ImageFlux – 画像を最適化してWebPに変換、CDNで高速配信