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.

belfisher

Plugin allows you to add image watermark to images uploaded to the WordPress Media Library and add watermark to old images via bulk processing tool
Main features:
<ul>
<li>Adds watermark to old images via bulk processing tool</li>
<li>Restore to originals (plugin makes image backup before add watermark) (since 3.0.1)</li>
<li>Watermark position: top-left, top-middle, top-right, middle-left, middle-middle, middle-right, bottom-left, bottom-middle, bottom-right</li>
<li>Watermark offset</li>
<li>Image size filter: minimum width and minimum height</li>
<li>Image extension filter</li>
<li>WordPress image size filter (inc. custom sizes)</li>
<li>Transparency support</li>
<li>Live preview</li>
<li>Personal watermark options for each media file</li>
<li>Disable watermarking for single image</li>
</ul>

Smart Watermark

Plugin allows you to add image watermark to images uploaded to the WordPress Media Library and add watermark to old images via bulk processing tool

ImgMarkFactory vs Smart Watermark