Prompt Token Counter for OpenAI Models

Ever submitted a prompt only to get an error saying it's too long? Or tried to optimize your API costs without knowing how many tokens you're actually using? This handy online token counter tool solves both problems in seconds. Just paste in your prompt and instantly see the exact token count for every OpenAI model, so you can make sure your input fits within the model's context window before you run it. It's lightweight, fast, and completely private — your prompt is never stored or transmitted over the internet. A small tool that saves big headaches for anyone working with OpenAI APIs.