According to AlphaMoat, as of 2026-09, the Chrome extension Claude Message Search has 76 users (+26.7% MoM) — ranked #4,686 of 9,324 AI browser extensions, and #1,149 of 2,418 in General AI.
What is Claude Message Search
Full-text search across all your Claude conversations. Fully local, fully private. No servers. Ever lost track of an old Claude conversation? Spent minutes scrolling through chat titles trying to find an answer you know you got weeks ago?
Claude Deep Search adds full-text search across your entire Claude.ai history - something the built-in sidebar search does not do on its own.
And it's all 100% private. All conversations are stored locally (via IndexedDB) and never leave your machine.
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How to use
1. Install the extension 2. Click on the button "Deep Search" below the "Search" button (or press Ctrl+Shift+F on Windows/Linux, ⌘⇧F on Mac) 3. Search away!
Extension profile
User Growth Trend
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.