According to AlphaMoat, as of 2026-09, the Chrome extension ContextOS has 13 users (+30% MoM), rated 5 (1 reviews) — ranked #8,549 of 9,324 AI browser extensions, and #1,667 of 1,839 in Office & Collaboration.
The ultimate local AI context manager. Seamlessly sync across ChatGPT, Claude, Grok, Gemini, and Perplexity. ContextOS is a sleek, sidebar project-workspace manager designed for developers, creators, and power users who collaborate across AI chat interfaces. Stop wasting tokens and time repeatedly copy-pasting your project rules, tech stacks, or database schemas into every new chat window.
With ContextOS, you can effortlessly manage, organize, and quickly inject structured project context and custom parameter buckets right where you work.
🚀 KEY FEATURES:
🔒 PRIVACY-FIRST BY DESIGN:
🛠️ COMPLETE QUICK-START & POWER USER GUIDE
Getting started with ContextOS takes less than two minutes. Follow this step-by-step walkthrough to unlock your advanced, local-first AI workspace:
1️⃣ ONBOARDING & BRING-YOUR-OWN-KEY (BYOK)
*(Note: If you are using a free-tier API key, Google imposes a standard 15 Requests Per Minute rate limit. If you rapidly process items back-to-back, simply pause a few seconds for the quota window to clear).*
2️⃣ SETTING UP YOUR FIRST PROJECT WORKSPACE
3️⃣ CAPTURING MAIN-PAGE CONTEXT WITHOUT COPY-PASTE ContextOS dynamically changes its capture target depending on whether you have a selection active:
*(Note: Highlighting internal helper text inside the extension's sidebar is automatically ignored to protect your data pipeline).*
4️⃣ INTELLECTUAL AUTO-PARSING & DYNAMIC BUCKETING
5️⃣ INTER & INTRA WORKSPACE CONTEXT INJECTION Ready to pass your built context to an AI model?
6️⃣ 100% LOCAL PRIVACY, EXPORT & IMPORT
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.