Responsive Search Ad (RSA)
The standard Google search ad format: you supply up to 15 headlines and 4 descriptions, Google assembles combinations per auction.
Free · no signup · last reviewed August 29, 2026
The definition
The standard Google search ad format: you supply up to 15 headlines and 4 descriptions, Google assembles combinations per auction.
Why it matters to an owner
Give it genuinely different angles, not fifteen rephrasings. The algorithm can only test what you actually vary.
Keep going
Ad Copy Character CheckerLive character counts against Google's responsive search ad limits, 30 per headline, 90 pe…Google Ads for OwnersEverything that matters, nothing that merely impresses: legible structure, backward budget…Quality ScoreGoogle's 1–10 rating of how relevant your keyword, ad, and landing page are to each other.…
This is the work. Want it done?
Everything here is free to use yourself. That’s the point. If you’d rather a senior marketer just handle it, in your accounts and your name: 20-minute call, no pitch deck.