Turn a white PDF into a dark one for comfortable night reading. Full invert keeps text selectable; dark mode keeps colours recognisable. Runs in your browser - your file is never uploaded.
Use full invert to keep text selectable, or dark mode to keep colours natural.
Every mode works on scanned pages.
A dark page uses far more ink. Convert to black and white instead.
Convert PDF to black and whiteFull invert that keeps text selectable and searchable
Dark mode that keeps hues (blue links stay blue)
Sepia mode for warm, paper-like reading
Choose the resolution for image-based output
Preview the first page before downloading
100% private - processed in your browser
Bright white pages are harsh in a dark room. A dark copy is easier on the eyes.
Readers without a built-in dark mode for PDFs can open the inverted copy.
Some readers find light text on a dark background less tiring.
Every colour flips: white pages turn black, black text turns white, and photos look like negatives. With "Keep text selectable" on, the tool adds an inverting layer on top of each page instead of redrawing it, so text still selects and searches and the file stays almost the same size.
Dark mode flips only the lightness of each colour. Backgrounds go dark and text goes light, but a blue link stays blue and a red heading stays red. Pages are redrawn as images to do this, so text is no longer selectable.
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