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WhatsApp Web: highlight URLs in messages

Highlights URLs with a subtle background and dashed underline so they are easy to spot.

Code to copy

/* Highlight URLs inside message bubbles for easier scanning */
#main [data-testid="msg-container"] a[href^="http"],
#main div[role="row"] a[href^="http"] {
  background: rgba(0,168,132,0.12) !important;
  border-bottom: 1px dashed rgba(0,168,132,0.6) !important;
  text-decoration: none !important;
  padding: 0 2px !important;
  border-radius: 3px !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.