Brainstorm and outline with AI — nothing ever leaves your device
ThinkSpace runs entirely in your browser. Transform messy notes into clear structures offline, with zero data sent to our servers.
Plans from $7/mo
Launch new app: need user research, design system, MVP features, timeline Q3
1. User Research - Conduct 5 interviews - Analyze competitor apps 2. Design System - Define color palette - Create component library 3. MVP Features - Core login flow - Dashboard view 4. Timeline - Sprint 1: Research (July) - Sprint 2: Design (Aug)
Everything you need to think privately
Built for thinkers who value privacy and need structure from chaos.
Rough notes to outlines
Turn messy thoughts into structured outlines instantly — clear hierarchy, no manual formatting.
Mind-maps & action items
Visualize connections and extract next steps automatically from your raw text.
100% On-device AI
Your data never leaves your device. All processing happens locally in your browser, completely offline.
Zero server uploads
Nothing is sent to the cloud. Your ideas stay yours, secure and private by design.
Works offline
Brainstorm anywhere, anytime — no internet connection required after initial load.
Instant clarity
Go from scattered notes to a clear plan in seconds, right in your browser.
Three steps
From scattered thoughts to a clear plan.
Paste
Drop in your rough notes, ideas, or meeting transcripts.
Structure
ThinkSpace processes everything on-device to create outlines and maps.
Export
Copy your structured outline or action items directly into your workflow.
Simple pricing
Pick a plan and start thinking clearly.
For personal brainstorming
- Unlimited on-device sessions
- Basic outline generation
- Offline access
For deep work & projects
- Advanced mind-mapping
- Action item extraction
- Priority local processing
- Full history export
Frequently asked
Where does the AI processing happen?
ThinkSpace runs entirely on-device in your browser. Your data never leaves your device, ensuring total privacy and offline access.
Do I get a free trial?
No — this is a paid tool with plans from $7 a month. Starter is $7/mo and Pro is $17/mo; you can cancel any time.
Is my data safe?
Absolutely. Since everything runs locally on your device, no notes, outlines, or prompts are ever uploaded to our servers.
How do I pay, and can I cancel?
By card through our checkout. Plans are billed monthly and you can cancel at any time.
Turn rough notes into structured plans.
Pick a plan and start brainstorming privately in your browser.
See plans