Free browser tool
AI prompt checker
Check whether a prompt defines its goal, context, constraints, output format, and quality criteria. Analysis runs entirely in your browser and does not send your text anywhere.
0 characters
Prompt score
0/100
Paste a prompt to see a five-part quality check.
What does the score mean?
The checker uses transparent text rules to find five kinds of signals. It does not call an AI model or claim that a high score guarantees a correct answer. Use it to spot obvious gaps, then validate important work with real outputs and an evaluation set.
Want the full method? Read How to Write an AI Prompt That Actually Works.