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Invert PDF Colours

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Invert every colour on every page so white pages become black — easier on the eyes and great for night reading on bright screens.

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Files never leave your browser. No upload to any server.

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Processing runs locally on your device. No queues, no waiting.

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Frequently asked questions

Will photos look weird?

Yes — photos invert too, so use this for documents with text and diagrams.

Is the text still selectable?

Pages are rasterised, so the result is image-based. Use the original PDF if you need text selection.