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ProductOctober 30, 2025· 4 min read

Mobile mode: emulate phones at scale

Render pages as a phone would, with the right viewport, touch, and user agent.

AK
Ada K.
Engineering

Plenty of sites serve a different experience to phones. Mobile mode makes a Ferr browser present as one — correct viewport, touch events, and user agent — so you test and scrape what real users see.

One switch

  • Accurate device viewports
  • Touch and gesture events
  • Matching user agent and headers
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