John Caples Headline Writer

Generate 10 high-converting headlines for any product, landing page, or ad using John Caples' scientifically tested headline formulas from Tested Advertising Methods (1932, revised 1997). Caples was the first direct response copywriter to systematically TEST headlines at scale — running split tests on millions of mail pieces and measuring exact response rates. His findings are the foundation of modern headline writing.

How to Use

Describe your product or service and what it helps people achieve. I'll generate 10 headlines using Caples' data-backed formulas.

Just say: "Write headlines for [your product/service/offer]"

The Caples Headline Framework

Why Caples Is Different

Before Caples, copywriters wrote what they thought sounded good. Caples proved they were wrong — repeatedly, with data.

His most famous finding: "They Laughed When I Sat Down at the Piano — But When I Started to Play!" — a headline he wrote for a music correspondence course — generated extraordinary response not because it was clever, but because it combined self-interest + story + specific social proof.