Image Watermark -- WordPress 插件

开发者	dfactory
更新时间	2026年1月7日 23:33
捐献地址:	去捐款
PHP版本:	7.4 及以上
WordPress版本:	6.9
版权:	MIT License
版权网址:	版权信息

Enhance your WordPress site's image security and branding. Image Watermark allows you to apply image or text overlays to new uploads and bulk process existing Media Library images with ease. Key Features:

Watermark Types: Choose from image-based or text-based watermarks with full customization.
Flexible Application: Automatic watermarking on uploads, manual/bulk apply/remove via Media Library.
Advanced Customization: Position watermarks precisely, adjust sizes, opacity, and more.
Backup & Restore: Secure backups for easy watermark removal.
Image Protection: Prevent copying via right-click, drag-and-drop, and developer tools.
Technical Excellence: Supports JPEG, PNG, WebP; ImageMagick/GD engines; preserves metadata.

Perfect for photographers, bloggers, and businesses looking to safeguard their visual content. For more information, check out the plugin page, documentation, or support forum. Feature Breakdown: Watermarking Types:

Support for image-based watermarks (upload custom images as watermarks)
Support for text-based watermarks (customizable fonts, colors, and sizes)
Automatic watermarking on new uploads to the Media Library
Manual and bulk watermarking for existing images (apply or remove via Media Library actions) Customization & Settings:
Flexible watermark positioning (9 alignment options with pixel or percentage-based offsets)
Three watermark size modes: original, custom dimensions, or scaled to image size
Adjustable watermark transparency and opacity
Watermark image preview for real-time adjustments
Selective application: Choose specific post types or enable everywhere (including frontend uploads)
Image format selection (baseline or progressive JPEG)
Configurable image quality settings Backup & Management:
Automatic image backup functionality (stores originals for easy restoration)
Option to remove watermarks (restores from backups when available)
Secure backup storage with .htaccess protection Image Protection:
Disable right-click context menus on images
Prevent image copying via drag-and-drop
Block access to developer tools for image inspection
Customizable protection notice/toast message displayed to users attempting to copy images Technical Information:
Support for JPEG, PNG, and WebP image formats
Dual image processing engines: ImageMagick (preferred) with GD library fallback
EXIF and IPTC metadata preservation (where supported)
Cache-busting for immediate thumbnail updates after watermark changes
Translation-ready with included .pot file

安装:

Install the Plugin:
Via WordPress.org: Go to Plugins > Add New, search for "Image Watermark," and click Install Now.
Manual Upload: Download the plugin ZIP from WordPress.org, then upload it via Plugins > Add New > Upload Plugin.
Activate the Plugin:
After installation, activate Image Watermark through the 'Plugins' menu in WordPress.
Configure Settings:
Navigate to Settings > Watermark in your WordPress admin dashboard.
Choose your watermark type (image or text) and upload/select a watermark image if using image-based.
Adjust positioning, size, opacity, and other options as needed.
Select post types for automatic watermarking or enable for all uploads.
Enable and Test:
Toggle the plugin on to start automatic watermarking for new uploads.
For existing images, go to Media Library > Bulk Select, choose images, and use the "Apply Watermark" bulk action.
Preview watermarks in the settings page and test on a sample image to ensure everything works.

Requirements: WordPress 6.0+, PHP 7.4+, and either GD or ImageMagick library. If issues arise, check server compatibility in Settings > Watermark > Status tab.

屏幕截图:

更新日志:

2.0.3

New: Improved settings UI
Fix: Apply/remove watermark for post media modal
Fix: Improve media modal watermark actions UI and messaging
Tweak: New color picker and switch field type in settings.

2.0.2

Fix: Preserve PNG transparency when applying watermark using GD library.
Fix: Prevent applying watermark during watermark image upload
Fix: Migrate legacy watermark image setting into 2.0.x options

2.0.1

Fix: Settings save issue for unchecked options and CPT scope

2.0.0

New: Text watermark support
New: Enhanced watermark preview with real-time updates.
New: Support for additional watermark alignment options and percentage-based scaling.
Tweak: Improved user interface for settings page with modern design elements.
Tweak: Optimized image processing for faster bulk operations.
Fix: Enhanced error handling for unsupported image formats.

1.9.1

New: Bulk Apply/Remove Watermark buttons in Media Library grid view with native styling.
Fix: Cache-busting for thumbnails and attachment details so watermark changes show immediately.
Fix: Bulk actions now ignore unsupported/non-image files for safer processing.

1.9.0

Fix: Watermarked image not refreshing in attachment edit screen after watermark is applied or removed
Fix: Updated image reload selectors to support modern WordPress attachment details page structure
Tweak: Complete modern rewrite of Right click blocking feature

1.8.0

New: WebP image files support

1.7.4

Fix: Potential security issue with capability check - props WordFence
Fix: Saving post types settings issue
Tweak: WordPress 6.5 compatibility

1.7.3

Tweak: WordPress 6.2 compatibility
Tweak: PHP 8.2 compatibility

1.7.2

Fix: Missing admin-media.js file

1.7.1

Fix: Watermark option not available in Media Library

1.7.0

Tweak: WordPress 5.9 compatibility
Tweak: PHP 8.x compatibility

1.6.6

Tweak: PHP 7.3 compatibility

1.6.5

Fix: Improved support for PHP 7 and above
Fix: Backup folders handling of date based organized uploads

1.6.4

Fix: Transparent PNG issues with ImageMagick library

1.6.3.1

Fix: The plugin directory upload fix.

1.6.3

Fix: PNG files watermarking issue

1.6.2

New: Option to select watermark offset unit - pixels or percentages
Tweak: Added values to slider settings fields

1.6.1

Fix: Minor bug with AJAX requests, thanks to JoryHogeveen
Fix: Prevent watermarking the watermark image, thanks to JoryHogeveen
Tweak: Code cleanup

1.6.0

New: Image backup functionality, thanks to JoryHogeveen
New: Option to remove watermark (if backup is available)

1.5.6

New: PHP image processing library option, if more than one available.
Fix: Manual / Media library watermarking not working.
Fix: Image sizes not being generated properly in GD library.

1.5.5

Fix: Determine AJAX frontend or backend request
Tweak: Remove Polish and Russian translations, in favor of GlotPress

1.5.4

Fix: Use of undefined constant DOING_AJAX

1.5.3

New: ImageMagic support

1.5.2

Tweak: Switch from wp_get_referer() to DOING_AJAX and is_admin().

1.5.1

New: Introducing plugin documentation
Tweak: Improved transparent watermark support

1.5.0

Tweak: Plugins setting adjusted to WP settings API
Tweak: General code cleanup
Tweak: Added Media Library bulk watermarking notice

1.4.1

New: Hungarian translation, thanks to Meszaros Tamas

1.4.0

New: Option to donate this plugin :)

1.3.3

New: Russian translation, thanks to Sly

1.3.2

New: Chinese translation, thanks to xiaoyaole

1.3.1

Fix: Option to disable right click on images not working

1.3.0

Tweak: Manual watermarking now works even if selected post types are selected
Tweak: UI improvements for WP 3.8
Fix: Image protection options not saving properly

1.2.1

New: German translation, thanks to Matthias Siebler

1.2.0

New: Frontend watermarking option (for front-end upload plugins and custom front-end upload code)
New: Introducing iw_watermark_display filter
New: Option to delete all plugin data on deactivation
Tweak: Rewritten watermark application method
Tweak: UI enhancements for settings page

1.1.4

New: Arabic translation, thanks to Hassan Hisham

1.1.3

New: Introducing API hooks: iw_before_apply_watermark, iw_after_apply_watermark, iw_watermark_options
Fix: Wrong watermark watermark path
Fix: Final fix (hopefully) for getimagesize() error

1.1.2

New: Image quality option
New: Image format selection (progressive or baseline)
Fix: Error when getimagesize() is not available on some servers
Tweak: Files & class naming conventions

1.1.1

New: Added option to enable or disable manual watermarking in Media Library
Fix: Apply watermark option not visible in Media Library actions
Fix: Warning on full size images

1.1.0

New: Bulk watermark - Apply watermark in Media Library actions
New: Watermark images already uploaded to Media Library

1.0.3

Fix: Error during upload of file types other than images (png, jpg)
Fix: Limit watermark file types to png, gif, jpg
Tweak: Validation for watermark size and transparency values
Tweak: Remove unnecessary functions
Tweak: Code cleanup
Tweak: Added more code comments
Tweak: Small css changes

1.0.2

New: Add watermark to custom image sizes registered in theme
Tweak: Admin notices on settings page if no watermark image selected
Tweak: JavaScript enqueuing on front-end
Tweak: General code cleanup
Tweak: Changed label for enabling image protection for logged-in users

1.0.1

Fix: Using image ID instead of image URL during image upload

1.0.0 Initial release

Image Watermark

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