Create a 'dark mode' version of your PDF.
Click to select a file or drag and drop
PDF file
Your files never leave your device.
Click the button below to invert all colors in your PDF.
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Invert Colors flips light and dark so white pages become black with light text.
This tool runs entirely in your browser. Your file is read from your device, processed in memory, and saved back to your device — it is never uploaded to Qpdf or anyone else. Once this page has loaded, the tool also works with your internet connection switched off.