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Five prompt tools — plus the optimizer on the homepage.

Every tool assembles or rewrites prompt structure in your browser. No model API, no account — paste the result into ChatGPT, Claude, or Gemini.

Prompt optimizerRewrite structure on the homepage — Before | After with redlines.Prompt generatorStart from a goal — get a Claude-ready structured prompt.Marketing builderChannel-specific marketing prompts for ads, email, social, landing.Framework builderRTF, CARE, CRISPE, RISEN, or CoT — fill the slots.Role / system builderPersona, boundaries, and refusal rules for system text.Length tunerExpand thin drafts or compress noisy ones.
PromptOptBase

Tighten the prompt before you hit send.

Prompt tools
  • Prompt optimizer
  • Prompt generator
  • Framework builder
  • Length tuner
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  • Methodology
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PromptOptBase edits prompt structure only and does not generate model responses.

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