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Invert PDF colours
Open a PDF and invert its colours — a light background becomes dark, handy for reading in low light. All in your browser.
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Перетягни PDF сюди або натисни, щоб вибрати файл
🔒 100% у браузері Нічого не завантажується Безкоштовно Повна кирилиця
How it works
- Open the PDF whose colours you want to invert.
- Each page is turned into a negative (white becomes black).
- Save the dark PDF — easy to read in low light.
Frequently asked questions
Why invert a PDF's colours?
A dark (negative) PDF is easier to read at night and in low light, and saves power on OLED screens.
Will the text stay selectable?
No, pages become colour-inverted images, so text is no longer selectable — same as with compression.