Token Watcher
See exactly what your Claude and ChatGPT conversations cost
Token Watcher launched on June 18, 2026 with 4 votes, #3,322 of 22,647 launches that month and more than 75% of that year's launches.
What it does
Token Watcher is a lightweight Chrome extension that reveals the true cost of your Claude.ai and ChatGPT conversations in real-time. No API key needed, no external servers. Track input/output tokens, per-model breakdown, and MCP call health — everything stays on your device. Stop guessing. Start monitoring. Free for 7 days of history, Pro for 30 days.
Does a similar job
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Context Compass2025 · chromewebstore.google.com · ▲16I built a small Chrome extension for people who write long conversations in Claude and don’t want to unexpectedly hit the 200,000-token limit. Context Compass automatically counts words and estimates token usage as you write. It updates in real time, gives you a visible percentage bar, and helps power users manage sprawling chats without losing work or flow. I built it because I kept getting the “max context” error and realized there was no way to track usage in Claude. No signups, no tracking, just a simple install. Would love any feedback or ideas for improvements. Thanks!
Claude TunerJul 2026 · claudetuner.com · ▲14Free Chrome extension that tracks your Claude, ChatGPT (Codex), and Gemini usage in real time. Plan simulation, cost savings analysis, rate limit prediction, and team dashboard.
Token Monitor: AI Context TrackerMay 2026 · tokenmonitor.app · ▲5See how much Claude you have left before you hit the wall
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