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AI Checker Pros is a powerful browser extension that monitors context windows across multiple AI platforms in real-time. Track your token usage simultaneously across Claude, ChatGPT, Google Gemini, and Perplexity AI—all from a single, intuitive interface.
With automatic platform detection, session switching, and visual usage indicators, AI Checker Pros makes the invisible visible. Monitor Claude's 200K token window, ChatGPT's 128K capacity, and more—ensuring you never lose critical context mid-conversation.
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Multi-Platform Support: Monitor context windows across Claude, ChatGPT, Google Gemini, and Perplexity AI simultaneously. No more switching between tabs or losing track of your token usage across different AI assistants.
Automatic Platform Detection: The extension automatically detects which AI platform you're using and switches tracking seamlessly. Individual token tracking shows precise usage for each platform—Claude supports up to 200K tokens, ChatGPT up to 128K.
Visual Usage Indicators: Intuitive visual displays show your context window consumption at a glance. Session reset functionality lets you start fresh when needed, maintaining optimal AI performance.
Privacy-First Design: AI Checker Pros runs entirely in your browser with no data sent to external servers. Your conversations and usage patterns remain completely private and secure.
Now in version 4.0, AI Checker Pros has evolved from a single-platform tool to a comprehensive multi-platform solution. As AI assistants become essential productivity tools across industries, context window management is no longer optional—it's critical. AI Checker Pros makes professional-grade token monitoring accessible to everyone.