Ever wasted hours debugging why your LLM app isn't working ā only to find your API key was invalid?
LLM Key Tester solves this in seconds.
Paste any key from OpenAI, Anthropic, Google, Mistral, Groq & more ā instantly know:
ā Is the key valid?
ā Which models it has access to?
ā How keys compare model-wise?
š Key is NEVER stored or logged ā ever.
š No signup. No credit card. Lifetime free.
ā” Results in under 3 seconds.
Built for devs tired of guessing.
