Adds an image and/or text watermark to all uploaded images, using PNG images with transparency.
As of April 2026, Bulk Watermark is a WordPress image plugin with 100 active installations and a 2/5 rating from 2 reviews. It has been downloaded 23K+ times in total. Requires WordPress 3.3+ and PHP false+. Available on WordPress.org since 2012. Last updated 11 years ago — may have compatibility concerns. Top alternative: Firelight Lightbox.
This plugin allows you to watermark your previously uploaded images using a PNG image file with transparency as well as text signature.
The user friendly settings page allows for control over the appearance of your watermark.
You can set your watermarks to always be a specific percentage of the target image.
This plugin will add the watermarks to ALL of the images in your WordPress uploads directory.
Please BACK UP all of your uploads via FTP before using this plugin!
Upgrade to Bulk Watermark Ultra for advanced
watermark features including:
Check out the Bulk Watermark Plugin for Wo…
| WordPress | 3.3+ requiredTested up to 4.1.42 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.