Merlin AI

Merlin AI

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Introduction
Free AI chat tool that can complete research, writing, and summarization in one click, supporting summaries of videos, articles, PDFs, and websites.
Listed on
July 23, 2026

What is Merlin AI?

Merlin AI is an AI Chrome extension and web app that acts as your AI assistant, saving you time and money. It provides top AI models such as ChatGPT, GPT-4, Claude, Opus, Llama, Mistral, and more, generating AI responses in Google Search, summarizing YouTube videos, blogs, documents (PDF or PPT), writing posts, and replying to comments on LinkedIn, Twitter, and Gmail. Merlin can translate over 25 languages.

How to use Merlin AI?

  • Install the Merlin extension from the Chrome Web Store and sign up for a free account. After installation, use the shortcut Ctrl+M or Cmd+M on any website to open the Merlin AI chatbot. On specific sites like Twitter, LinkedIn, YouTube, and Gmail, a Merlin button appears for easy access. You can also use the web app, iOS, and Android apps to sync history and custom prompts across all devices.

Core features of Merlin AI

  • One-click real-time answers: Get relevant information with just one click, wherever you are
  • Summaries for videos, articles, PDFs, and websites
  • Write emails and social media content
  • Review content with AI detectors
  • All top AI models in one place (GPT-4o, Claude 3.5, Gemini 1.5, etc.)
  • Create custom bots, prompt libraries, and knowledge bases
  • Generate charts, mind maps, and 20+ types of infographics with Crafts
  • Available in over 200 countries

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