Free AI Token Calculator & Developer Tools
Count tokens for GPT-4, Claude, and other AI models. Visualize tokenization, estimate API costs, and optimize your prompts with our free developer toolkit.
Token Calculator
Paste or type your text below to instantly count tokens and get detailed statistics.
Why Use AI Tools Kit?
AI Tools Kit provides essential utilities for developers and content creators working with large language models like GPT-4, Claude, Gemini, and other AI systems. Our token calculator helps you understand exactly how your text will be processed by AI models, enabling you to optimize prompts and reduce API costs.
Token Calculator
Accurately count tokens before sending requests to OpenAI, Anthropic, or other AI providers. Understand how tokenization works and see exactly how your text breaks down into tokens. Support for multiple models including GPT-4, GPT-3.5, Claude 3, and more.
TOON Converter
Token Optimized Object Notation (TOON) reduces your JSON payload size by up to 50%, saving tokens and reducing API costs. Convert between JSON and TOON formats instantly with our free converter tool.
Prompt Library
Browse our curated collection of effective prompts for writing, coding, business, education, and creative tasks. Copy and customize prompts to get better results from AI models.