Invert PDF Colors for Dark Mode Reading
Turn any PDF into a dark-mode document: bright white pages become deep black and dark text flips to light, making long night-time reading sessions far more comfortable. Each page is rendered at the resolution you choose, every pixel is color-inverted, and the result is rebuilt as a compact PDF at the original page size. Handy for light-sensitive readers, OLED screens, and projector-friendly slides. The conversion runs entirely in your browser, so documents never leave your device.
Choose files ordrag & drop here
.pdf · single file
Processed locally in your browser — your files never leave your device.
How to invert colors
- Upload the PDF you want to invert.
- Pick a resolution — 150 DPI is a good balance of size and sharpness.
- Click "Invert Colors" and download the dark-mode PDF.
Frequently asked questions
Will text stay selectable after inverting?
No. Pages are converted to images during inversion, so text becomes part of the picture and is no longer selectable or searchable.
What happens to photos and colored graphics?
Every color is inverted to its opposite — blues become yellows, greens become magenta — like a photographic negative of the whole page.
Which DPI should I choose?
150 DPI suits on-screen reading. Use 300 DPI if you plan to print, or 96 DPI for the smallest file size on screen.