PDF Background Adder
ThePDF
Add background color or watermark image to PDF pages.Updated 2026-03-11
Drag & drop your file here or click to browse
Frequently Asked Questions
Is this tool free to use?
Yes, completely free. All processing happens in your browser — no data is sent to any server.
Do I need to create an account?
No account or signup required. Just open the tool and start using it immediately.
Is my data safe?
Yes. Everything runs locally in your browser. Your data never leaves your device.
How to Use
- Click Process and wait
- Preview output to verify
- Download processed PDF
- Upload PDF by clicking or dragging
FAQ
What is the maximum PDF size?
Depends on device memory since processing is local. Most devices handle up to 100MB.
Can I process protected PDFs?
You need to enter the password first. We cannot bypass PDF security.
Is my PDF uploaded anywhere?
No. All processing happens locally in your browser. Your file never leaves your device.
Will formatting be preserved?
Original formatting including fonts, images, and layout preserved as much as possible.
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