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

prompt.txt
1
2
3
4
5
Ready to validate
0 /10,000

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