If you want to add a PDF watermark to invoices, packing slips, or any other PDF documents generated by , there are a few plugins and methods you can use to achieve this. A watermark is useful to add branding, prevent unauthorized use, or mark the document as "draft" or "confidential."
Here’s how you can add a watermark to your PDFs:
1. Using Plugins to Add a PDF Watermark
There are several plugins specifically designed for adding watermarks to PDFs in . Some popular ones include:PDF Invoices & Packing Slips Pro
- Plugin URL: PDF Invoices & Packing Slips
- This premium plugin has a feature that allows you to add a watermark to your PDF invoices and packing slips.
- You can customize the watermark's text, position, font, and transparency, and you can also set conditions for when the watermark should appear.
PDF Watermark for WooCommerce
- Plugin URL: PDF Watermark for WooCommerce
- This plugin allows you to watermark PDFs generated by WooCommerce, such as invoices, packing slips, or shipping labels.
- You can add text or image watermarks and customize the opacity, position, and size of the watermark.
WP PDF Stamper
- Plugin URL: WP PDF Stamper
- This plugin enables watermarking of any PDF generated by WooCommerce, with options for text, image, and watermark rotation.
- You can configure it to add different watermarks depending on the type of order, such as "CONFIDENTIAL" or "SAMPLE."
2. Manually Adding a Watermark via Custom Code
If you are comfortable with code, you can also manually add a watermark to PDF documents by customizing the templates for PDF generation in WooCommerce. Many WooCommerce PDF generation plugins (such as the one mentioned above) offer templates that you can edit, but it may involve some custom PHP and CSS.- You can hook into the WooCommerce PDF generation process and use a library like TCPDF (which is commonly used for generating PDF invoices in WooCommerce) to overlay watermarks onto the generated PDF document.
3. Customizing the Watermark Appearance
Once you've chosen a plugin or method to add a watermark, here are some common customization options:- Text or Image Watermark: Choose to use text (e.g., “Confidential” or “Draft”) or an image (e.g., your company logo or a custom graphic).
- Positioning: Customize where the watermark appears on the page (center, diagonal, footer, etc.).
- Opacity: Control how transparent the watermark is so it doesn’t obscure the content.
- Page Range: Choose whether the watermark should appear on all pages or just specific ones (e.g., only the first page).
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