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I saw this tip from Cassidoo and had to try it out for myself. I kicked on a screen recording right from where my terminal was, converted it, and it actually looks pretty good.








        

ffmpeg \
   -i screenrecording-2026-01-01_10-10-49.mp4 \
   -vf "negate,hue=h=180,eq=contrast=1.2:saturation=1.1" \
   screenrecording-2026-01-01_10-10-49-light.mp4

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There are a few unsettling things about it, but overall I feel like it was a success.

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