Invert PDFMarch 12, 20263 min read

How to Invert PDF Colours on Windows Free

Convert a PDF to dark mode on Windows. Free online tool — works in Chrome and Edge.

Open Chrome or Edge on Windows. Go to fixmypdf.in/tools/invert-pdf. Upload. Invert. Download the dark-mode PDF.

Steps

Go to fixmypdf.in/tools/invert-pdf. Upload. Click Invert Colours. Download.

Dark Mode in PDF Viewer

Some PDF viewers (Edge, Acrobat Reader) have a built-in dark mode view, but this doesn't change the actual file — the PDF stays white when shared. FixMyPDF permanently converts the colours so the PDF looks dark everywhere.

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