Invert PDF Colors Online Free
Invert the colors of every page in a PDF — turn white backgrounds to black and black text to white. Useful for dark mode reading or creating negative-image effects.
Invert the colors of a PDF
Flip every page to its photo-negative — white turns black, black turns white, and every color becomes its opposite — entirely in your browser. The quickest way to turn a glaring white document into an easy-on-the-eyes dark version.
How to invert a PDF
- Add your PDF — it stays on your device.
- Click Invert Colors — every page is recolored.
- Download the inverted PDF.
When to invert colors
- Night reading: a dark-mode PDF is far gentler on the eyes than a bright white page in a dark room.
- Save toner: invert a mostly-black scan so heavy dark backgrounds don't drain a cartridge.
- Readability: some low-contrast scans become clearer once inverted.
- Design & art: create a negative-image effect for posters or mockups.
- Whiteboards & slides: flip a photo of a dark whiteboard so the writing reads as dark text on a light background.
What to expect
Inversion is applied to a rendered image of each page, so the output is raster — text is no longer selectable. Running the tool again on an inverted file restores the original look. For a simple black-and-white version (same tones, no color) rather than a negative, use PDF to grayscale instead.
Privacy & security
Your PDF never leaves your device. Pages are recolored locally — nothing is uploaded or stored.
Related tools
FAQ
Is my PDF uploaded?
No. Color inversion happens entirely in your browser; your file never reaches a server.
Can I undo the inversion?
Yes — run the tool again on the inverted file and the original colors are restored.
Does the text stay selectable?
No. Each page is recolored as an image, so text becomes non-selectable.
Invert vs grayscale — what’s the difference?
Invert flips colors to their negative (white becomes black). Grayscale keeps the same tones but removes color. For night reading choose invert; for B&W printing choose grayscale.
Does it work on scanned PDFs and photos?
Yes. Inversion works on any PDF, including image-only scans, since each page is processed as a rendered image.
Any watermark?
No watermarks, no signup, no paywall.