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HostSalt Image Optimizer connects your WordPress site to the HostSalt IO cloud API to automatically compress and convert images on upload. No server-side libraries required — just install, connect and start saving bandwidth.
Features:
<ul>
<li>Automatic optimization on upload — no manual steps needed</li>
<li>Converts images to WebP or AVIF for maximum compression</li>
<li>Smart format selection — picks whichever format saves more</li>
<li>Lossless backup — restore originals any time with one click</li>
<li>Bulk optimize your entire existing media library</li>
<li>Bulk restore all images to their originals</li>
<li>Monthly usage dashboard built into wp-admin</li>
<li>Works with all themes and page builders</li>
<li>Multisite compatible</li>
</ul>
How it works:
When you upload an image, HostSalt Image Optimizer sends it securely to the HostSalt IO API. The API compresses and converts the image, then returns the optimized version. The original is kept as a backup so you can restore at any time.
A free plan is available with 50 optimizations per month. Paid plans are available for higher volumes.
<h3>External Services</h3>
This plugin sends image data to an external API service operated by HostSalt:
<ul>
<li>API endpoints: https://images.hostsalt.com/optimize and https://images.hostsalt.com/usage/{site_id}</li>
<li>Data sent: image file contents, output format preference, quality setting, max width setting, and a unique site identifier derived from your site URL (MD5 hash)</li>
<li>Data received: optimized image file</li>
<li>When: on image upload (automatic), on manual Optimize button click, and during bulk optimization</li>
</ul>
This service is operated by HostSalt. Please review the following before use:
<ul>
<li>Terms of Service: https://hostsalt.com/terms-of-service/</li>
<li>Privacy Policy: https://hostsalt.com/privacy-policy/</li>
</ul>
No personal user data is transmitted. Only image files and site configuration are sent.

HostSalt Image Optimizer

Automatically optimize, compress and convert images to WebP or AVIF on upload — powered by the HostSalt IO API.

wpimgio

Activate the plugin, and your images are optimized. That’s it.
Your images become significantly smaller without visible quality loss — meaning faster page loads for visitors.
No batch processing. No settings to configure. No waiting. Your existing images are optimized on-the-fly and delivered through Cloudflare’s global CDN (300+ locations worldwide).
<h4>Why wpimg.io?</h4>
<ul>
<li>Zero configuration — Works immediately with existing images</li>
<li>Non-destructive — Original images are never touched</li>
<li>Automatic format selection — AVIF, WebP, or original based on browser support</li>
<li>Global CDN — Fast delivery via Cloudflare edge network</li>
<li>Compatible — Works with most themes and page builders</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Activate and accept Terms of Service</li>
<li>Done — every image on your site is now optimized</li>
</ol>
Images are fetched from your server, optimized, and cached globally. Disable the plugin anytime and everything reverts instantly.
<h4>Supported Formats</h4>
Optimizes JPEG, PNG, WebP, and GIF images. Converts to AVIF or WebP for browsers that support them. GIF animations are preserved.
<h4>Free vs Pro</h4>
Free: 2,500 optimizations — enough for most sites.
Pro: Unlimited optimizations. <a href="https://wpimg.io/pricing" rel="nofollow ugc">Upgrade at wpimg.io/pricing</a>.
<h4>External Service Notice</h4>
This plugin connects to the wpimg.io image optimization service. The service is powered by Cloudflare’s global CDN infrastructure.
When you activate this plugin:
<ul>
<li>Your site domain is registered with our service</li>
<li>Image requests are routed through our Cloudflare CDN</li>
<li>Original images are fetched from your server, optimized, and cached</li>
<li>Aggregated optimization statistics are collected (image counts, bytes saved)</li>
<li>Subscription status is checked periodically to ensure service availability</li>
</ul>
No personal data is collected. Only your site domain and optimization statistics are stored.
<ul>
<li>Service: <a href="https://wpimg.io" rel="nofollow ugc">wpimg.io</a></li>
<li>Terms of Service: <a href="https://wpimg.io/terms" rel="nofollow ugc">wpimg.io/terms</a></li>
<li>Privacy Policy: <a href="https://wpimg.io/privacy" rel="nofollow ugc">wpimg.io/privacy</a></li>
<li>Support: support@wpimg.io</li>
</ul>

Automatic Image Optimizer & CDN by wpimg.io

Instantly speed up your site with automated image optimization, WebP/AVIF, and global CDN. Zero setup required.

HostSalt Image Optimizer vs Automatic Image Optimizer & CDN by wpimg.io