ThinkMode+

About

ThinkMode+ — Auto-Enable ChatGPT Thinking Mode. Set It Once. Never Click Again.

Tired of manually enabling "Think" or "Deep Research" every single time you open ChatGPT? Done pasting the same "act as a senior developer" prompt on every conversation? ThinkMode+ eliminates that friction entirely.

ThinkMode+ is a lightweight Chrome extension that automatically activates ChatGPT's extended thinking (reasoning) mode the moment you start a new conversation — no clicks, no manual setup, no repetition.

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🧠 CORE FEATURES
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🔁 Auto-Enable Think Mode
ThinkMode+ detects your ChatGPT composer on every page load and automatically activates extended thinking based on your saved preference. Reasoning mode, always on — without a single click.

🎭 Expert Roles & AI Personas
Stop starting every chat with "Act as a senior developer." ThinkMode+ injects your chosen role silently into every prompt the moment you hit send. Built-in roles include:
- Senior Software Developer
- Financial Analyst
- Devil's Advocate
- Socratic Teacher
- UX Critic
- Research Scientist
- First Principles Thinker
…and you can create unlimited custom roles.

🎯 Precision Mode
Need facts, not hallucinations? Toggle Precision Mode to automatically append a system directive that instructs ChatGPT to reason step-by-step and verify factual claims before responding.

📐 Output Format Bar
Format your ChatGPT responses without rewriting prompts. Instantly switch between Table, Steps, Code, Comparison, and Bullet output formats from the floating control bar.

⚡ Follow-Up Prompt Bar
One-click follow-ups appear automatically after every ChatGPT response: Go Deeper, Simplify, Give an Example, Challenge This. No retyping. Just click.

⌨️ Keyboard Shortcut
Toggle ThinkMode+ on or off globally with Ctrl+Shift+T (Cmd+Shift+T on Mac) — from any ChatGPT tab, instantly.

🔔 UI Health Alerts
If ChatGPT updates its interface and breaks the auto-activation, ThinkMode+ sends you a desktop notification so you always know when manual intervention is needed.

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🛡️ PRIVACY & TRANSPARENCY
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ThinkMode+ is built with privacy as a baseline, not an afterthought.

✅ All processing happens locally in your browser
✅ No browsing history or chat data sent to our servers
✅ No analytics or telemetry from the extension
✅ Settings synced via Chrome's own storage API
✅ Authentication handled by Supabase — we never see your password

The optional Precision Mode feature modifies outgoing messages client-side only to append a fixed directive. Nothing is logged or transmitted to ThinkMode+ servers.

Read our full privacy policy: https://thinkmodeplus.com/privacy

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🚀 COMING SOON
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ThinkMode+ v1 focuses entirely on perfecting the ChatGPT experience. Support for Claude and Gemini is in active development.

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📋 PERMISSIONS EXPLAINED
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- Storage — saves your preferences across sessions
- Notifications — alerts you if ChatGPT's UI breaks auto-activation (opt-out in settings)
- Tabs — broadcasts your setting changes to open ChatGPT tabs instantly
- Identity — powers the optional "Continue with Google" sign-in

Note: You may briefly see ChatGPT's native menus appear and dismiss automatically. This is ThinkMode+ activating thinking mode on your behalf — it is expected behavior, not a bug.