Add Background to PDF Online Free
Add a solid color or image background to your PDF pages. The background appears behind your existing content.
Drop a PDF file here
Add a background to your PDF
Max 100 MB per file
Last updated May 2026
Pro Tip
For a subtle background effect, use low opacity (10-30%). For image backgrounds, 'Stretch' works well for full-page backgrounds, while 'Tile' is great for watermark-style patterns.
How to Use Add Background to PDF
1
Upload Your PDF
Drag and drop your PDF file into the upload area, or click to browse and select a file from your device.
2
Choose Background Type
Select either a solid color background using the color picker, or upload an image to use as the background.
3
Adjust Settings
Set the opacity level and choose which pages to apply the background to (all pages or a specific range).
4
Download Your PDF
Click the download button to get your PDF with the new background applied behind the existing content.
Why Use Our Add Background to PDF?
Solid Color Backgrounds
Choose any color using the color picker to add as a background.
Image Backgrounds
Upload images (PNG, JPG) to use as backgrounds with positioning options.
Adjustable Opacity
Control background transparency from 10% to 100%.
Page Selection
Apply to all pages or specify a custom page range.
100% Free
No hidden charges or premium features locked behind paywalls.
Privacy First
Files are processed in your browser and never uploaded to servers.
Works Everywhere
Compatible with desktop, tablet, and mobile browsers.