A browser extension that rewrites your AI prompts to use fewer tokens and reveals the CO₂, water, and energy behind every message.
it lives where you already type
Type your prompt in ChatGPT, Claude, or Gemini like you normally do. TerraWatch sits quietly in the corner.
Hit one button. Your prompt gets rewritten to use fewer tokens while keeping the exact same meaning.
See the energy, CO₂, and water cost of every prompt. Watch your savings compound over time.
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Free forever for individuals. Just one email when we launch.
NY Tech Week 2026 · Most Innovative