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Description
Monitor your AI chat context-window usage in a native side panel. Headroom shows your AI chat context-window usage in the browser side panel — green, yellow, or red — so you know when the AI is about to forget. No account, no setup. AI models have a fixed context window. When it fills up, earlier conversation is silently dropped. Headroom gives you a real-time gauge so you know when to start fresh. Auto-detects 7 major AI chat platforms including DeepSeek, ChatGPT, and Gemini. See all supported platforms at https://github.com/ZM-BAD/headroom. Features: customizable thresholds, per-round token breakdown, a six-writing-system estimation engine with calibrated coefficients, and privacy-first design — conversation text read then discarded, only counts stored. Optional Upstash sync: works offline by default, but connect your own free Upstash Redis instance (256 MB, 500K requests/month — far beyond typical personal use) and your settings plus token counts follow you across devices. Data lives in your private storage; credentials never leave the browser. No Headroom server.