Marco Di Giacomantonio

<p><strong>I-PR AVIF Converter automatically converts your existing and new images to AVIF format — the most efficient image format available today — without any cloud service, subscription, or API key.</strong></p>
<p>After 1 month of production testing across 6 live sites (5,089 images, 2.2 GB saved), this plugin achieves <strong>40–70% file size reduction</strong> with zero visible quality loss and <strong>0% conversion failure rate</strong> on both Aruba and Serverplan shared hosting.</p>
<h4>Real Production Results</h4>
<ul>
<li>dermopigmentazioneroma.it — 904 images, <strong>721 MB saved (-68%)</strong>, Mobile PageSpeed 80/100</li>
<li>mangiaroma.com — 1,213 images, <strong>804 MB saved (-70%)</strong>, Desktop PageSpeed 97/100</li>
<li>artmerlino.it — 371 images, 167 MB saved (-64%)</li>
<li>apicolturalapegaia.it — 1,069 images, 135 MB saved (-69%)</li>
<li>fnahospitalityroma.it — 432 images, 83 MB saved (-43%)</li>
</ul>
<p><strong>Total: 4,989 images converted. 0 failures. 2.2 GB saved.</strong></p>
<h4>Why AVIF?</h4>
<p>AVIF is the next-generation image format supported by all modern browsers (Chrome, Firefox, Safari 16+, Edge). Compared to JPEG, it delivers 40–70% smaller files at equivalent visual quality. Compared to WebP, it delivers 20–30% better compression. Google PageSpeed Insights and Core Web Vitals (LCP) reward AVIF-optimized sites directly.</p>
<h4>How It Works</h4>
<p>When you upload an image, I-PR AVIF Converter queues it for background conversion via WP-Cron. No page load is blocked. Once converted, images are served automatically via the <code><picture></code> HTML element with a fallback to the original for older browsers:</p>
<pre><code><picture>
  <source srcset="image.avif" type="image/avif">
  <img src="image.jpg" alt="...">
</picture>
</code></pre>
<p>Your original files are never modified unless you explicitly enable “Delete Originals.”</p>
<h4>Key Features</h4>
<p><strong>Zero cloud dependency</strong> — All conversion happens on your server using PHP’s native Imagick or GD library. No API keys, no usage limits, no recurring costs.</p>
<p><strong>Works on shared hosting</strong> — Tested and production-proven on Aruba Basic and Serverplan Eco/Basic. The plugin auto-detects your server’s encoder (Imagick or GD) and falls back gracefully.</p>
<p><strong>Adaptive batch processing (AIMD)</strong> — The plugin learns your server’s speed using an Exponentially Weighted Moving Average and automatically adjusts how many images it processes per cron run. It never causes timeouts or OOM errors.</p>
<p><strong>Memory guard</strong> — Before processing each image, the plugin estimates the required RAM based on image dimensions and encoder type (3.5× for Imagick, 1.8× for GD). If RAM is insufficient, the image is deferred to the next batch. No PHP Fatal errors.</p>
<p><strong>Circuit Breaker for Imagick</strong> — If Imagick fails 3 consecutive times, the plugin automatically switches to GD and retries Imagick after 30 minutes. No manual intervention required.</p>
<p><strong>Quarantine system</strong> — Images that fail 3 conversion attempts are automatically quarantined and excluded from future runs. You can review and retry quarantined images from the admin panel.</p>
<p><strong>Skip Patterns</strong> — Exclude specific images or folders using wildcard patterns (e.g., <code>logos/*.png</code>, <code>2024/03/*-banner.jpg</code>). Useful for images where conversion is not desired.</p>
<p><strong>Bulk Scanner</strong> — Convert your entire existing media library with a real-time progress bar. The scanner is paginated and runs via AJAX without blocking the admin interface.</p>
<p><strong>Telemetry Dashboard</strong> — Real-time dashboard showing conversion rate, average compression ratio, fail rate, performance score, and a rolling chart of the last 200 conversion events.</p>
<p><strong>CDN integration</strong> — Automatic Cloudflare cache purge after each batch conversion, so your CDN always serves the latest AVIF files.</p>
<p><strong>Elementor & lightbox support</strong> — Gallery lightboxes (Elementor, Fancybox, WP native) are rewritten to serve AVIF in the full-size view, not just thumbnails.</p>
<p><strong>Animated GIF preservation</strong> — Animated GIFs are automatically detected (binary frame-count parsing) and excluded from conversion. AVIF does not support animation; the plugin never converts a GIF to a broken static file.</p>
<p><strong>CMYK image handling</strong> — Images from professional photography workflows (JPEG with CMYK color space) are automatically converted to sRGB before encoding to prevent color inversion artifacts.</p>
<p><strong>Clean uninstall</strong> — Removing the plugin deletes all database tables, options, transients, and the WP-Cron job. Zero ghost data left behind.</p>
<h4>WooCommerce Compatibility</h4>
<p>Tested on two active WooCommerce stores. Product images, gallery thumbnails, and checkout images are all converted and served correctly.</p>
<h4>Encoder Compatibility</h4>
<p>The plugin requires at least one of:</p>
<ul>
<li><strong>Imagick</strong> ≥ 7.0.25 with libheif compiled with AV1 support</li>
<li><strong>PHP</strong> ≥ 8.1 with GD + libavif (<code>imageavif()</code> function available)</li>
</ul>
<p>The Settings page shows which encoders are available on your server and their current status (including Circuit Breaker state).</p>
<h4>PHP & WordPress Compatibility</h4>
<p>Tested on PHP 7.4, 8.0, 8.1, 8.2, 8.3. Compatible with WordPress 5.8 through 6.7. PHP 8.2+ deprecation warnings have been resolved.</p>
<h3>External Services</h3>
<p>This plugin optionally communicates with the <strong>Cloudflare API</strong> (<code>api.cloudflare.com</code>) to purge CDN cache after batch image conversion.</p>
<p>This feature is <strong>disabled by default</strong> and only activates if you explicitly enable “Cloudflare CDN Integration” in the plugin settings and provide your own Cloudflare Zone ID and API Token.</p>
<p>No data is sent to Cloudflare unless this feature is manually configured. The only data transmitted are the public URLs of newly converted AVIF images, which Cloudflare needs to purge from its cache.</p>
<ul>
<li>Cloudflare service: https://www.cloudflare.com</li>
<li>Cloudflare Terms of Service: https://www.cloudflare.com/terms/</li>
<li>Cloudflare Privacy Policy: https://www.cloudflare.com/privacypolicy/</li>
</ul>
<p>All image conversion is performed locally on your server. No images or personal data are ever sent to external services.</p>


I-PR AVIF Converter – Automatic Image Optimization

Convert JPEG/PNG to AVIF automatically. 40-70% file size reduction, no cloud API, works on shared hosting. 4,989 images converted, 0% fail rate.

CompressX

<p>CompressX is a free, lightweight WebP & AVIF conversion and media replacement plugin for WordPress. It allows you to easily convert JPG and PNG images to WebP and AVIF formats, compress WebP and AVIF images, and replace media files without changing their URLs or attachment IDs. All AVIF and WebP conversions are performed locally on your web server.</p>
<h3>Core Features</h3>
<h4>1. Convert AVIF & Compress AVIF</h4>
<p>Convert jpg, png, and WebP images on your WordPress website to AVIF format, and compress AVIF images according to the compression level you set.<br />
If the original image is already in AVIF format which is supported since WordPress 6.5, the original AVIF image will only be compressed.</p>
<h4>2. Convert WebP & Compress WebP</h4>
<p>Convert jpg, png images on your WordPress website to WebP format, and compress WebP images according to the compression level you set.<br />
If the original image is already in WebP format which is supported since WordPress 5.8, the original WebP image will only be compressed.</p>
<h4>3. Media Replacement & Auto Re-Optimization</h4>
<p>Safely replace an existing media file without changing its URL or attachment ID. When a new image is uploaded as a replacement, the system automatically regenerates thumbnails, applies your configured format conversion and compression rules, resizes where needed, and re-optimizes the file.</p>
<h4>4. Exclude Folders</h4>
<p>Select specific folders in your media library and prevent images inside them from being processed.</p>
<h4>5. Custom Folders</h4>
<p>Select folders that are in the wp-content folder but outside the Uploads (media library) and process images inside them.</p>
<h4>6. Auto-Process New Images</h4>
<p>Automatically convert new images uploaded to a WordPress website to WebP/AVIF format and compress WebP/AVIF images upon upload.</p>
<h4>7. Auto-Remove Large Images</h4>
<p>Automatically remove converted AVIF/WebP images when they are larger than original images.</p>
<h4>8. Restore Original Images</h4>
<p>Your images will be reverted to their original state and all AVIF/WebP images and data in the database generated by CompressX will be removed when CompressX is uninstalled.</p>
<h3>Minimum Requirements to use CompressX</h3>
<ul>
<li>Character Encoding UTF-8</li>
<li>PHP version 7.0</li>
<li>MySQL version 4.1</li>
<li>WordPress 5.8</li>
</ul>
<h3>External Services</h3>
<p>This plugin optionally connects to the <a href="https://api.cloudflare.com/" rel="nofollow ugc">Cloudflare API</a> to purge your CDN cache. It sends the Cloudflare Zone ID, account email, and Global API Key whenever the “Purge Cloudflare Cache” button is clicked or automatically upon optimization completion (if enabled in settings). This service is provided by Cloudflare, Inc: <a href="https://www.cloudflare.com/terms/" rel="nofollow ugc">Terms of Service</a>, <a href="https://www.cloudflare.com/privacypolicy/" rel="nofollow ugc">Privacy Policy</a>.</p>


CompressX — AVIF & WebP Converter, Media Replacement


It's all new, but I believe this can go far ! I was looking for a plugin with free AVIF conversion, and locally hosted (a lot of images plugins use their servers to compress, that's why a lot of them are expensive).Awesome support, totally free (for now ?), does the same thing as the famous Media Converter, but with free AVIF. Take my 5/5 rating ;)EDIT : Oh no wait, it does more than media converter, allowing you to set a max width / height on your images :fire:


This may be my future goto plugin for image optimisation


Deserves 5-stars just for vision and generosity in making this exist!



Will give it a thorough test and post any feedback as we go.



Thank you 🙏


The world thanks you!


I usually don't review plugins but this one is just magnificent! Amazing developers!


Amazing plugin


یکی از بهترین افزونه‌هایی که برای تبدیل و بهینه سازی تصاویر میتونید استفاده کنید قطعا این افزونه هست. این افزونه با امکانات متنوع و مناسب، سرعت بالا و دقت و کیفیت عالی باعث شده در سایت وردپرس ایرانی هم به عنوان یکی از بهترین افزونه‌های تبدیل فرمت شناخته بشه. به نظرم هرچی افزونه دارید دور بریزید و این افزونه شگفت انگیز رو نصب کنید. جزئیات و راهنمایی نصب و انجام تنظیمات مناسب برای این افزونه رو میتونید در مقاله‌ای که "وردپرس ایرانی" منتشر کرده مشاهده کنید


بهترین افزونه تبدیل تصاویر | تشکر از سازنده

AVIF & WebP converter with built-in media replacement for local image optimization.

I-PR AVIF Converter – Automatic Image Optimization vs CompressX — AVIF & WebP Converter, Media Replacement