Invert PDF Colors — Dark Mode PDF Free Online
Invert all colors in your PDF to create a dark-background version — easier on the eyes at night. Free, no sign-up.
How to invert PDF colors
- 1Upload your PDF file
- 2Click 'Invert Colors'
- 3Download the inverted PDF
- 4Run the tool again on the result to restore original colors
Features
- Inverts all colors including images, backgrounds, and text
- Single-click conversion — no settings required
- Reversible: run the tool again to restore original colors
- Processed in your browser — no server upload
When it's useful
- Create a dark-mode version of a document for comfortable night reading
- Reduce screen glare when reading PDFs in a dark environment
- Prepare print-ready negatives for artistic or archival purposes
FAQ
Will images be inverted?
Yes. All content including images is color-inverted.
Can I revert to the original colors?
Run the tool again on the inverted PDF to restore the original colors.
Does this reduce file size?
No. Color inversion does not change file size — the same amount of data is stored with inverted values.