Free & Private
AI STUDYTOOLSIN YOUR BROWSER
Mindmaps, flashcards, summaries, chat & more. 100% private - runs locally in your browser. No data leaves your device.
Privacy First
Your data stays yours
Unlike other AI tools, Fidus processes everything locally on YOUR device using WebGPU technology.
12+ AI tools at your fingertips
All running 100% locally in your browser. No subscriptions, no data collection.
AI Mindmaps
Transform any article into beautiful, interactive mindmaps. Click nodes to navigate, export as PNG or Markdown.
Smart Flashcards
Auto-generate study flashcards with SM2 spaced repetition. Export to Anki (TSV) or JSON format.
AI Chat
Have intelligent conversations about any webpage. Ask questions, get explanations, or chat about any topic.
Quick Summaries
Get concise summaries of long articles instantly. Multiple lengths, key points extraction.
Translate
Translate text into 8+ languages including Spanish, French, German, Chinese, Japanese, and more.
Smart Rewrite
Improve your writing. Simplify complex text, adjust tone, or make text shorter or longer.
Email Composer
Draft professional emails in seconds with multiple tone options.
Social Media
Generate engaging posts for Twitter, LinkedIn, Facebook & Instagram.
Form Filler
Auto-fill forms with your saved information. Data stays on device.
Smart Find
AI-powered semantic search to find related concepts on any page.
Grammar Checker
Real-time grammar and spelling correction in any text field.
More Coming
We're constantly adding new AI-powered features to help you learn.
How it works
Get started in minutes, use forever - free.
Install
Add the free extension from Chrome Web Store
Download
One-time AI model download (stored locally)
Use
All features unlimited - forever free
Private
Your data never leaves your computer
Why choose Fidus?
See how we compare to other AI tools
| Feature | Fidus | ChatGPT Plus | Grammarly | Notion AI |
|---|---|---|---|---|
| Price | Free | $20/month | $12/month | $10/month |
| Privacy | 100% Local | Cloud | Cloud | Cloud |
| Mindmaps | - | - | - | |
| Flashcards | - | - | - | |
| AI Chat | - | |||
| Grammar | - | - | ||
| Offline | - | - | - | |
| No Account | - | - | - |
Perfect for
Students
- Summarize textbooks
- Create flashcards for exams
- Visualize with mindmaps
Researchers
- Organize literature reviews
- Extract key findings
- Maintain research privacy
Professionals
- Draft emails quickly
- Summarize lengthy reports
- Prepare meeting notes
Content Creators
- Generate social posts
- Rewrite for platforms
- Translate for audiences
Ready to studysmarter?
Free forever. No account needed. Your data stays on your device.
Add to Chrome - It's FreeRequires Chrome 113+ with WebGPU support. Works on Windows, Mac, Linux, ChromeOS.