Add a Background Colour or Image to PDF
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Related tools
Watermark PDF
Stamp text such as CONFIDENTIAL or DRAFT on pages.
How to use PDF Background
- Choose your file (or drop it onto the page).
- Adjust the options shown.
- Select the action button and wait for it to finish.
- Review the result, then download it.
What to expect
A new file is created. Your original file is never modified.
- Pages with their own opaque background will cover it.
- Links and form fields are not carried over.
Frequently asked questions
Is my PDF uploaded anywhere?
No. The PDF is read and processed by JavaScript in your browser. Only the website's own code and assets are downloaded.
Do I need to create an account?
No. Every tool works without sign-up or login.
Is it safe for confidential documents?
Files are processed locally in your browser and never uploaded. Close the tab or select Clear to release them from memory.