Prompt Validator & Optimizer: Perfect Your AI Prompts Before They Go Live
The single tool for prompt engineering, validation, and optimization for Claude, ChatGPT, and other AI models
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Example Prompts
Original Prompt
before.txt
Write a professional email to a client who's late on payment. Make it sound serious.
Score: 54%
Optimized Prompt
after.txt
Create a professional email to a client who is 30 days past due on their invoice #10492 for $3,450. The tone should be firm but respectful, maintaining the business relationship while clearly communicating the urgency of payment. Include specific next steps and consequences if payment isn't received within 7 days, and provide payment options. Sign as Alex Chen, Accounts Receivable Manager.
Score: 92%
Key Improvements
- Added specific context (invoice number, amount, days overdue)
- Clarified tone requirements (firm but respectful)
- Provided specific structural elements to include
- Added concrete timeframe and next steps
Original Prompt
before.txt
Write a story about a wizard and time travel.
Score: 48%
Optimized Prompt
after.txt
Write a 500-word fantasy short story about an elderly wizard named Thorne who discovers an ancient artifact that allows him to travel through time. The story should include:
1. A specific problem in the present that motivates Thorne to use the artifact
2. A journey to a surprising time period with unexpected consequences
3. A moral dilemma about changing the past
4. A clever resolution that teaches Thorne something about himself
The tone should be whimsical yet thoughtful, with vivid sensory descriptions of both time periods. End with a subtle twist that makes the reader question what really happened.
Score: 95%
Key Improvements
- Defined specific length and character details
- Added structured story elements and plot points
- Specified desired tone and stylistic elements
- Included guidance for the ending
Original Prompt
before.txt
Explain API authentication methods for developers.
Score: 62%
Optimized Prompt
after.txt
Create a technical guide for mid-level web developers explaining the 4 most common API authentication methods (Basic Auth, API Keys, OAuth 2.0, and JWT).
For each method:
1. Explain the core concept in 2-3 sentences
2. Show a code example using JavaScript/Node.js
3. List the key security considerations
4. Note typical use cases
Include a comparison table of all methods highlighting security level, implementation complexity, and best-fit scenarios. Conclude with best practices for selecting the appropriate authentication method based on project requirements.
Score: 96%
Key Improvements
- Specified target audience and content structure
- Listed exact authentication methods to cover
- Requested specific code examples in a defined language
- Added comparative elements and practical guidance