Side-by-side comparison · Updated April 2026
| Description | Arvin is an AI-powered browser extension that simplifies access to sophisticated tools like GPT-4 for a variety of tasks. Among its offerings are AI Chat, Writing Tools, Image Tools, PDF and other Reading Tools, and a versatile Data Analysis Tool. Users can also utilize a rich prompt library and benefit from real-time AI chatbot capabilities. The extension is designed to enhance productivity and make high-level AI functionalities accessible directly through the browser. | Merlin is a cutting-edge, all-in-one AI extension designed to streamline a variety of tasks, including writing, summarizing, coding, and playing. Merlin integrates numerous AI tools specifically tailored for use on platforms like Google, Twitter, and LinkedIn, and offers specialized features like text-to-image conversion, AI email writing, and multiple chat capabilities. Through its user-friendly interface, Merlin provides advanced functionalities by employing top AI models such as GPT-4 and Claude-3, making it an essential tool for professionals across multiple disciplines, including entrepreneurs, researchers, marketers, and developers. |
| Category | BrowserApplication | AI Assistant |
| Rating | No reviews | No reviews |
| Pricing | Free | Freemium |
| Starting Price | Free | Free |
| Plans |
|
|
| Use Cases |
|
|
| Tags | AI ChatWriting ToolsImage ToolsPDF ToolsReading Tools | AI extensionwritingsummarizingcodingtext-to-image |
| Features | ||
| AI Article Writer | ||
| Email Writer | ||
| Writing Improver | ||
| Grammar Checker | ||
| Web Translator | ||
| AI Image Extension | ||
| Remove Background | ||
| Change Background | ||
| Sketch to Image | ||
| Image to Image | ||
| Restore Image | ||
| Remove Text | ||
| PDF to Word Converter | ||
| PDF to PNG Converter | ||
| PDF to JPG Converter | ||
| Prompt Library | ||
| Real-time AI Chatbot | ||
| Data Analysis Tool | ||
| AI for Google | ||
| AI for Twitter | ||
| View Arvin | View Merlin | |
Explore more head-to-head comparisons with Arvin and Merlin.