dFactory

<a href="http://www.dfactory.co/products/image-watermark/" rel="nofollow ugc">Image Watermark</a> allows you to automatically watermark images uploaded to the WordPress Media Library and bulk watermark previously uploaded images.
For more information, check out plugin page at <a href="http://www.dfactory.co/" rel="nofollow ugc">dFactory</a>, <a href="http://www.dfactory.co/docs/image-watermark/" rel="nofollow ugc">documentation page</a> or plugin <a href="http://www.dfactory.co/support/forum/image-watermark/" rel="nofollow ugc">support forum</a>.
<h4>Features include:</h4>
<ul>
<li>Bulk watermark – Apply watermark option in Media Library actions</li>
<li>Watermark images already uploaded to Media Library</li>
<li>GD LIbrary and ImageMagic support</li>
<li>Image backup functionality</li>
<li>Option to remove watermark</li>
<li>Flexible watermark position</li>
<li>Watermark image preview</li>
<li>Set watermark offset</li>
<li>Select post types where watermark will be aplied to uploaded images or select adding watermark during any image upload</li>
<li>Select from 3 methods of aplying watermark size: original, custom or scaled</li>
<li>Set watermark transparency / opacity</li>
<li>Select image format (baseline or progressive)</li>
<li>Set image quality</li>
<li>Protect your images from copying via drag&drop</li>
<li>Disable right mouse click on images</li>
<li>Disable image protection for logged-in users</li>
<li>.pot file for translations included</li>
</ul>

Image Watermark

Image Watermark allows you to automatically watermark images uploaded to the WordPress Media Library and bulk watermark previously uploaded images.

ntuummm

ImgMarkFactory is a user-friendly plugin that helps you add watermarks to your images efficiently. With its intuitive interface, you can watermark multiple images simultaneously while previewing changes in real-time.
<h4>Key Features</h4>
<ul>
<li>Process up to 3 images simultaneously</li>
<li>Text watermarks</li>
<li>Real-time preview with drag-and-drop positioning</li>
<li>Adjustable opacity settings</li>
<li>Custom watermark positioning</li>
<li>Supports PNG and JPG formats</li>
<li>Interactive preview mode</li>
<li>Supports images up to 500KB</li>
</ul>
<h4>Current Features and Limitations</h4>
<ul>
<li>Export Limit: 20 images per hour</li>
<li>Export Quality: Fixed at 70%</li>
<li>Batch Size: Process up to 3 images at once</li>
<li>File Size Limit: Each image must be ≤ 500KB</li>
<li>Font Size: Fixed font size for all text watermarks</li>
<li>Formats Supported: PNG and JPG/JPEG only</li>
</ul>
<h4>System Requirements</h4>
<ul>
<li>PHP GD Library</li>
<li>WordPress 5.0 or higher</li>
<li>PHP 7.2 or higher</li>
<li></li>
</ul>
<h3>External Services</h3>
This plugin connects to a third-party API provided by ImgMarkFactory API to process images with watermark overlays and export the final result.
<ul>
<li>Service Provider: ImgMarkFactory API</li>
<li>What It Does: Processes image watermarking and generates the final watermarked image export.</li>
<li>What Data is Sent:
<ul>
<li>Image file itself as Base64</li>
<li>Image resolution </li>
<li>Image name </li>
<li>Watermark text color </li>
<li>Watermark opacity </li>
<li>Watermark text position </li>
<li>Canvas size </li>
<li>File size (used solely for monitoring traffic and adjusting service capacity) </li>
</ul>
</li>
<li>What Data is NOT Stored:
<ul>
<li>The image file itself, including file names, content, or copies, is never stored. Only the file size is logged for traffic monitoring. </li>
</ul>
</li>
<li>When Data is Sent:
<ul>
<li>Data is sent whenever the watermark text, position, opacity, color, or canvas size is changed. </li>
<li>When the user clicks “Apply Watermark” </li>
</ul>
</li>
<li>Service URL(s):</li>
</ul>
<ol>
<li>
<code>https://api.ntuummm.com/api/free/v1/generate-image-with-watermark-preview</code>
<ul>
<li>Purpose: 
Generates a real-time preview of the image with the watermark applied. </li>
<li>How It Works:
<ul>
<li>When users adjust watermark settings (e.g., text, position, color, opacity, or canvas size), this endpoint processes the image and generates a preview. </li>
<li>Allows users to see an up-to-date preview before final export. </li>
</ul>
</li>
<li>Data Sent:
<ul>
<li>Image itself as Base64</li>
<li>Image resolution </li>
<li>Watermark text </li>
<li>Watermark text color </li>
<li>Watermark opacity </li>
<li>Position of the watermark text </li>
<li>Canvas size </li>
</ul>
</li>
</ul>
</li>
<li>
<code>https://api.ntuummm.com/api/free/v1/export-images-with-watermark</code>
<ul>
<li>Purpose: 
Generates and exports the final image with the watermark applied. </li>
<li>How It Works:
<ul>
<li>When users click “Apply Watermark” to save the image, this endpoint processes the request and delivers the final watermarked image. </li>
</ul>
</li>
<li>Data Sent:
<ul>
<li>Image itself as Base64</li>
<li>Image resolution </li>
<li>Image name </li>
<li>Watermark text </li>
<li>Watermark text color </li>
<li>Watermark opacity </li>
<li>Position of the watermark text </li>
<li>Canvas size </li>
</ul>
</li>
<li>Additional Information:
<ul>
<li>File size is logged for traffic monitoring and service capacity adjustments. </li>
<li>No actual image content, file names, or copies are stored by the service.</li>
</ul>
</li>
</ul>
</li>
</ol>
<ul>
<li>
Key Differences Between Endpoints:
<ul>
<li><code>generate-image-with-watermark-preview</code>: 
Focuses on generating real-time previews of the watermark while the user adjusts settings. </li>
<li><code>export-images-with-watermark</code>: 
Generates and delivers the final exported image after the user confirms and clicks “Apply Watermark”</li>
</ul>
</li>
<li>
Terms of Service and Privacy Policy: 
<a href="https://ntuummm.github.io/my/img-mark-factory/index.html" rel="nofollow ugc">Privacy Policy</a>
</li>
</ul>
Users must review and agree to the privacy policy of the ImgMarkFactory API before using this plugin.

ImgMarkFactory

Add professional watermarks to your images with real-time preview and drag-and-drop positioning. Support for both text and image watermarks.

Image Watermark vs ImgMarkFactory