Invert colours

Invert, dark mode, sepia or grayscale versions of a PDF.

Free, no sign-up. It runs inside your browser: your files never leave your device.

Change the colours of a PDF: dark mode for reading at night, inverted colours, sepia, or grayscale for black-and-white printing.

How to use Invert colours

Drop one or more PDF files on the page.
Under Colours, choose Dark mode, Invert, Sepia or Grayscale.
Under How, choose "Keep text as text" or "Exact colours", and check the preview.
Click "Change colours".

Yes, with "Keep text as text". With "Exact colours", the pages become pictures and the text can no longer be searched.

With "Keep text as text", dark mode and invert turn colours to their opposite. Choose "Exact colours" to keep every hue, so blue stays blue.

Yes. Choose Grayscale. All colour is removed, ready for black-and-white printing.

No. The colours are changed on your device.

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