What does Background Color do?

It sets a solid color behind all existing content on every page of your PDF. You choose the color and opacity.

Is my PDF uploaded to a server?

No. Processing runs in your browser. Your file stays on your device.

Will the background cover my text?

No. The background layer goes behind all existing content. Text, images, and graphics remain visible on top.

Can I use a custom color?

Yes. Use the color picker for any color or enter a hex code. Preset swatches are available for common choices like cream, light blue, and parchment.

Can I adjust the opacity?

Yes. Opacity is adjustable from 0% to 100%.

Does it work with password-protected PDFs?

Yes. Enter the password when prompted. Decryption happens locally.

Can I process multiple PDFs at once?

Yes. Batch mode applies the same color and opacity to all files.

背景色を設定

PDFのページに背景色を追加します。

1. Select PDF

Select a PDF file from your device. All processing happens locally in your browser.

2. Choose color

Pick a background color and opacity. Apply to all pages or a specific range.

3. Download

Get your PDF with the new background color applied.

About Background Color

What Background Color Does

This tool sets a background color on every page of your PDF. Choose any color from a picker or preset swatches, adjust the opacity, and apply. The background goes behind all existing content, so text and images remain fully visible on top.

OxygenPDF renders each page, draws the colored background layer behind the original content, and rebuilds the PDF. Presets include warm cream, light blue, light green, light pink, light gray, parchment, white, and black. Custom colors via hex or color picker.

When You’d Set a Background Color

A colored background changes the feel of a document. Sometimes that’s the whole point.

Comfortable Reading

A warm cream or parchment background reduces glare compared to pure white. Easier on the eyes for long documents.

Branding & Design

Match your brand colors. A subtle background tint gives documents a cohesive, professional feel.

Presentations & Handouts

Colored backgrounds make handouts and printed materials stand out. Use light tints so text stays readable.

Reduce Screen Strain

Swap a bright white background for a softer tone. Light gray, cream, or light blue can reduce eye fatigue on screens.

How It Compares

Setting a PDF background color is a rare feature in online tools. Most require desktop software.

機能	OxygenPDF	Adobe Acrobat	Sejda
Custom background color
Adjustable opacity
Color presets
Batch processing		Desktop only
No file upload required		Desktop only
Free to use

100% Local Processing

Background color is applied in your browser. The PDF stays on your machine, and the output downloads directly. No server involved.