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Stamp ChatGPT, Claude, Gemini, and Grok for free. Unlock Stamp Map, search, and exports with Pro. Turn long AI conversations into a reusable map of ideas and decisions. The free edition lets you place and save Idea, Fold, Important, On Hold, and Adopted stamps. Fold long messages and expand them with one click. Free features: • Five color-coded decision stamps • Place stamps on user messages and AI responses • Drag, remove, and save stamps per conversation • Matching color outlines on marked AI responses • Fold messages and expand them with one click Pro features: • Long chat boost that hides older messages and restores them in batches • Optional Eco mode that reduces off-screen rendering and checks before sending acknowledgement-only messages • Nine design packs, including Teacher Stamps, with independently selectable backgrounds • .Compact Green and a custom background image stored only on the user's device • Integrated stamp dock and Stamp Map • Stamp filters and direct message navigation • Search across stamped messages • Markdown export Search, filtering, and storage are processed locally in the browser. No conversation data is sent to the developer's servers, and the extension includes no advertising, analytics, or tracking. Eco mode always leaves the final choice to the user and does not estimate or claim a specific amount of electricity saved. Pro is a paid unlock purchased through an external checkout. The seller is the .Compact developer, not Google. Pricing, terms, and refund conditions are shown before purchase. This independent extension is not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, Google, or xAI.
Aug 25, 2026
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