Our editorial team tested 50+ AI browser extensions. Here are the top picks for productivity, writing, and research.
All-in-one sidebar with 5 AI models. Context-aware, reads any webpage. Best for power users who want everything in one place. Free tier available.
Official OpenAI extension. Quick access to ChatGPT from any page. Good for basic queries but lacks webpage context awareness. $20/month.
AI-powered search with citations. Great for research and fact-checking. Limited writing assistance features. Free with premium tier.
Advanced writing assistant with tone detection. Excellent for emails and documents. Not designed for coding or research tasks. Free basic plan.
Multi-model AI assistant with template library. Good variety of tools but sidebar can feel cluttered. Freemium model with limited free usage.
| Feature | AI Sidebar Pro | ChatGPT Desktop | Perplexity |
|---|---|---|---|
| Price | Free | $20/mo | Freemium |
| AI Models | 5+ | 1 | 1 |
| Page Context | Yes | No | Partial |
| Web Summary | Yes | No | Yes |
| Code Explainer | Yes | Limited | No |
Look for extensions with copywriting features, tone adjustment, and grammar checking. AI Sidebar Pro and Grammarly AI are top choices.
Prioritize code explanation, debugging help, and documentation generation. AI Sidebar Pro's code explainer is excellent for this use case.
Focus on web summarization, citation support, and multi-source analysis. Perplexity and AI Sidebar Pro both offer strong research capabilities.