Transform your PDF documents with custom background colors. Perfect for dark mode reading, brand consistency, accessibility improvements, and aesthetic customization.
Drag & drop a PDF here or click to browse
See how your PDF will look with the new background color:
Applying background color to your PDF...
Your PDF now has the custom background color you selected.
A simple 3-step process to customize your PDF background with any color you choose.
Click "Select PDF" or drag and drop your PDF file. Your document is processed locally and never leaves your computer.
Use the color picker or select from popular presets. See a live preview of how your PDF will look with the new background.
Click "Apply Background Color" and wait a few moments. Your PDF with the custom background will be ready for download.
Experience professional-grade customization with unmatched privacy and quality preservation.
All processing happens in your browser. Your files are never uploaded, ensuring your documents remain completely private on your device.
Create dark background PDFs for comfortable reading in low light conditions and reduced eye strain during long reading sessions.
Improve readability with high contrast backgrounds, helping users with visual impairments and dyslexia read more comfortably.
Match your company's brand colors or create themed documents that align with your organization's visual identity.
Experience instant, in-browser processing with no file size limits or hidden costs. It's completely free, forever.
See exactly how your PDF will look with the new background color before applying, ensuring perfect results every time.