xdmedia

PuffPix Compress automatically optimizes every image you upload to WordPress — reducing file sizes by 40–80% without visible quality loss. Faster pages, lower bandwidth, better Core Web Vitals scores.
It works by connecting to the <a href="https://puffpix.com" rel="nofollow ugc">PuffPix</a> image compression API. When you upload an image, PuffPix compresses it server-side using industry-leading encoders (mozjpeg, pngquant, cwebp) and returns the optimized file, which replaces the original in your media library.
<h4>Why PuffPix?</h4>
<ul>
<li>No server load — compression happens on PuffPix servers, not yours</li>
<li>Better results than GD — uses mozjpeg and pngquant for noticeably smaller files at the same quality</li>
<li>All thumbnail sizes — automatically compresses every generated thumbnail, not just the original</li>
<li>EXIF stripping — removes GPS coordinates and device metadata for privacy</li>
<li>Bulk optimization — compress your entire existing media library in one click with a live progress log</li>
<li>Per-image stats — see exactly how much each image was reduced, right in the media library</li>
</ul>
<h4>Compression Engines</h4>
<ul>
<li>Standard (GD) — PHP’s built-in image library. Fast and universally compatible. Quality 85 (balanced) or 72 (aggressive).</li>
<li>Pro (mozjpeg + pngquant) — significantly better compression than GD at the same visual quality. JPEGs typically 20–30% smaller than GD output.</li>
<li>Max — maximum compression using the best available encoder per format. Smallest possible file size. Requires Pro or Trial plan.</li>
</ul>
<h4>Supported Formats</h4>
JPEG, PNG, WebP, GIF. SVG support is available on the PuffPix web tool.
<h4>Free Trial</h4>
New users get 100 free compressions over 30 days — no credit card required. Get your key at <a href="https://puffpix.com/trial.php" rel="nofollow ugc">puffpix.com/trial.php</a>.
<h4>How to Get Your API Key</h4>
<ol>
<li>Visit <a href="https://puffpix.com" rel="nofollow ugc">puffpix.com</a></li>
<li>Click Get free trial — no credit card needed</li>
<li>You’ll receive 100 credits by email</li>
<li>Paste the key into Settings → PuffPix Compress</li>
</ol>
<h4>Privacy & External Services</h4>
This plugin sends image data to the PuffPix API for compression. Please see the “External Services” section below for full disclosure.
<h3>External Services</h3>
This plugin connects to the PuffPix image compression API to compress images.
What data is sent: 
* The image file(s) selected for compression 
* Your API key (to authenticate your plan) 
* Compression settings (engine, quality, strip EXIF) 
* Anonymous compression metrics: file format, engine, quality, bits-per-pixel range, and compression ratio (no image content, filename, or personal data)
What happens to your data: 
* Images are processed and the compressed version is returned to your server 
* Images are automatically deleted from PuffPix servers within 30 minutes 
* No image content is stored permanently 
* API keys are not logged beyond authentication
Service details: 
* Service name: PuffPix 
* Service URL: https://puffpix.com 
* API endpoint: https://puffpix.com/api.php 
* Privacy policy: https://puffpix.com/privacy 
* Terms of service: https://puffpix.com/terms
This plugin will not make any API calls unless an API key has been entered in the settings. Images are only sent to the PuffPix API when compression is explicitly triggered (on upload if auto-compress is enabled, or manually via the media library or bulk compress page).

PuffPix Compress

Automatically compress and optimize images on upload. Bulk-optimize your entire media library. Smaller files, faster site — no quality loss.

giuliopanda

Bulk images allows you to optimize images uploaded to wordpress without creating unnecessary copies of the upload folder!
Warning: the plugin overwrites images. 
Later the plugin tries to update links to images in articles and metadata, but it may happen that these need to be recreated. Other plugins that optimize images generally duplicate all images and create complex overlays to manage their systems. This plugin is designed to keep sites with the original wordpress structure, but it may require a little more work later. But I believe this work is rewarded by better final quality. 
If anything goes wrong anyway you can go back with the restore button.
<ul>
<li>You can resize all images with just one click.</li>
<li>You can convert images to webp.</li>
<li>You can optimize images by choosing quality.</li>
<li>You can change the name of the images</li>
<li>It is optimized to speed up the bulk process. 1000 images take a few minutes on a normal server.</li>
<li>You can enable the option to optimize images when uploaded to the server.</li>
<li>Allows you to decide the maximum size of the images and the quality in which they should be compressed.</li>
<li>Adds to media-library (list version) the possibility to select the images to be optimized.</li>
<li>Through graphics it allows you to monitor the status of the images on the server.</li>
<li>Ability to use specific hooks to customize optimization options.</li>
<li>You can restore and go back to the original images.</li>
<li>
You can remove the original images if you have space problems.
The GitHub repo can be found at <a href="https://github.com/giuliopanda/op-bulk-image-resizer" rel="nofollow ugc">https://github.com/giuliopanda/op-bulk-image-resizer</a>. Please use the Support tab for potential bugs, issues, or enhancement ideas.
</li>
</ul>
<h3>Credits</h3>
The Bulk image resize was started in 2021 by <a href="giuliopanda@gmail.com" rel="nofollow ugc">Giulio Pandolfelli</a>

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