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I have here a video. I wish to make the white background black and black font white. How do I do that? enter image description here

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Use the curves modifier

The curves modifier can be found in the video sequence editor. Inverting the pixels is easy by changing the shape of the curve(s). The left point (representing the darkest pixels) originally at 0 should be set to 1 (to map those pixels to be the brightest) and vice versa the right curve point from 1 to 0. Here is a gif: inverting BW image

This gif only shows the work for the C-channel (luminance) which is enough for inverting a B&W-video. Note that you have do the same for the R-, G- and B- channels if you also want to invert the colors.

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    $\begingroup$ Thank you very much. You are a star. 🙂👍 $\endgroup$ – Rita Geraghty Oct 20 '18 at 18:19

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