Free online tools
Online AI tools
A token counter with cost, a context window calculator, an llms.txt generator and a prompt builder. Practical tools for anyone working with language models.
- Token counter and LLM costToken count of a text and an approximate cost for popular models.
- LLM context window calculatorCheck whether a document or code fits in a model's context window.
- llms.txt generatorAn llms.txt file with a site summary and a list of key URLs for AI assistants.
- Prompt builderA prompt built from a role, context, task, constraints and reply format.
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