Invert PDF colours
Flip a PDF to night-reading colours — white pages become dark, dark text light.
How to use
- Choose a PDF.
- Invert.
- Download the dark PDF.
What it supports
Every channel is inverted — photos invert too, including their hues. Pages are rasterized at ~144 DPI, so text is no longer selectable and file size grows. Up to 25 MiB and 60 pages; encrypted, signed, and form PDFs are not supported.