AlphaMoatによると、2026-09時点でChrome拡張機能LocalBrainのユーザー数は12(前月比 +9.1%)で、9,324件のAIブラウザ拡張機能中8,750位、オフィス・コラボレーションでは1,839件中1,708位です。
Share memory across ChatGPT, Claude, Perplexity, Gemini and more. Import/export, analytics, remove duplicates. Local storage. LocalBrain is a professional Chrome extension that brings seamless memory management to your favorite AI platforms—ChatGPT, Claude, and Perplexity. Effortlessly capture, organize, and reuse key information from your conversations, all while keeping your data private and stored locally in your browser. Key Features: Universal AI Memory: Works across ChatGPT, Claude, and Perplexity. Automatic Memory Saving: Intelligently captures and categorizes conversations as you chat. Smart Memory Injection: Instantly suggests relevant memories for new conversations. Local Storage Only: Your data never leaves your browser—no cloud, no tracking. Modern UI: Sleek, glassmorphic design with smooth animations. Notification Management: Smart rate-limiting to prevent notification spam. Robust Error Handling: Production-ready error recovery and reporting. Privacy & Security: All data is stored locally in your browser. No cloud sync or external servers. Minimal permissions—only what’s needed to function on supported AI platforms. Supported Platforms: ChatGPT (chat.openai.com) Claude (claude.ai) Perplexity (perplexity.ai) Take control of your AI memory—boost productivity, never lose context, and keep your data private.
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。