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Slack: hide link previews

Removes the automatic link preview cards unfurled under messages so the conversation stays shorter.

Code to copy

/* Hide automatic link preview unfurls under messages */
.c-message_attachment,
.c-message_kit__attachments,
[data-qa="message_attachment"] {
  display: 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.