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WhatsApp Web: disable bubble animations

Disables the entrance animations of message bubbles so the chat feels smoother and calmer.

Code to copy

/* Disable message-bubble entrance animations for a calmer feed */
[data-testid="msg-container"],
div[role="row"] [class*="message-in"],
div[role="row"] [class*="message-out"],
[data-testid="conversation-panel-messages"] * {
  animation: none !important;
  transition: none !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.