Free AI Productivity Tools
Optimize your prompts, manage your AI context, and get more out of tools like ChatGPT and Claude.
AI System Prompt Generator
Build the perfect custom instructions or system prompt for ChatGPT, Claude, and Cursor.
AI Token & Context Calculator
Calculate token counts and visualize context window usage for Claude, GPT-4, and Gemini.
AI Context File Merger
Combine multiple code files into a single AI-friendly Markdown prompt.
AI API Cost Calculator
Estimate your monthly API spend for OpenAI, Anthropic, Google, and more. Compare model pricing side by side.
Chat Export Converter
Convert ChatGPT and Claude conversation exports to clean Markdown, JSON, or PDF. Fully client-side.
Accurate Tokenizer & Visualizer
See exactly how GPT and Claude models tokenize your text, with colored token chunks and precise counts.
CLAUDE.md / .cursorrules / AGENTS.md Generator
Generate coding-agent rule files for Claude Code, Cursor, Windsurf, and other AI dev tools.
Text Chunker for RAG & Embeddings
Split text into chunks with configurable size, overlap, and splitting strategy for RAG pipelines.
Prompt Optimizer & Improver
Restructure and improve your prompts using proven patterns — role, context, constraints, output format.