Merlin AI is a Chrome extension that brings multiple AI models into one sidebar for chatting with webpages, files, and videos, plus writing and translation help.
Merlin AI is a Chrome extension that puts a chat sidebar on any webpage. It works with models from OpenAI, Anthropic, Google, Mistral, and DeepSeek, letting you switch between them in one window. You can summarize and question webpages, PDFs, images, and YouTube videos, or draft and rework text in any input field.
Alongside the sidebar, Merlin offers a prompt library, an AI playground for comparing models, and 70+ tools for tasks like detection and humanization. A free account unlocks the suite; in-app purchases are available. It runs on Chrome, Edge, iOS, Android, Windows, and Mac.
Merlin AI integrates models from OpenAI (including GPT-o1, GPT-4, GPT-4o, and GPT-4o mini), Anthropic (Claude 3.7 Sonnet and 3.5 Haiku), Google Gemini, Mistral, and DeepSeek, with other providers mentioned.
Yes. You can create a free account to access the full suite of features, though the extension listing notes that in-app purchases are available.
A single Merlin account works across Chrome, Edge, iOS, Android, Windows, and Mac.
Yes. You can upload PDFs and other documents to ask questions, get summaries, translate, or run OCR on them.
Merlin AI offers translation for text and entire webpages. The listing states over 50 languages are supported, with up to 128 languages available in extended features.
You can store favorite prompts in Merlin AI and retrieve them later by typing “/” in the chat interface.
Projects let you turn a knowledge base, uploaded files, or links into a dedicated AI chatbot that you can customize and use for ongoing tasks.
The AI Playground provides access to multiple AI models in one place, so you can compare their outputs or use them for different parts of a task.
The extension is primarily for Chrome, but the same account is available via Edge and through native apps on iOS, Android, Windows, and Mac.
