Prompt Builder

Assemble a well-structured prompt from role, task, context, constraints and examples.

Processed locally in your browser. Nothing you add is uploaded.

More AI & Prompts tools

• Prompt Analyzer: A rule-based checklist against known prompt-engineering advice -- not an AI call.
• Token Counter: Count a prompt's real tokens (OpenAI's cl100k_base tokenizer, run locally) against common context windows.

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