Calculators & Converters
4 tools- AI Token Counter
Count tokens in your text and estimate AI API costs for OpenAI, Anthropic, and Google models. Free online token counter with cost projections.
- AI Image Token Calculator
Estimate token costs for AI vision APIs. Calculate how many tokens images consume in GPT-4o, Claude, and Gemini vision models.
- AI Context Window Planner
Plan your AI context window usage. Allocate token budgets between system prompts, conversation history, documents, and model output.
- AI Prompt Token Estimator
Break down your AI prompt into components and estimate tokens for each part. See system prompt, user message, and context token counts separately.