← All examples

TikTok: grayscale feed videos

Shows TikTok feed videos in grayscale to curb mindless scrolling; color returns on hover.

Code to copy

/* TikTok: render feed videos in grayscale to dull the dopamine loop. */
video {
  filter: grayscale(100%) !important;
  transition: filter 0.3s ease;
}
video:hover {
  filter: grayscale(0%) !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.