In 2025, AI tools have become essential companions for both developers and writers who want to boost productivity, improve code quality, or enhance their writing. With just a few Chrome extensions, you can integrate AI directly into your browser workflow — no extra apps or tabs needed! In this article, we’ll explore 10 of the best free AI Chrome extensions that can help you code smarter, write better, and work faster.
ChatGPT for Google
Integrates ChatGPT directly into Google Search results. Ideal for both developers looking for code examples and writers seeking quick content ideas.
Key features:
- ChatGPT answers alongside search results
- Supports GPT-4
- Works on most search engines
Codeium
An AI code completion tool for Chrome that helps developers write code faster with context-aware suggestions.
Key features:
- Free for individual use
- Supports 20+ programming languages
- Works on code editors in the browser
Grammarly
A classic tool that remains invaluable in 2025. Grammarly’s Chrome extension offers AI-powered writing suggestions, tone adjustments, and grammar checks.
Key features:
- Real-time grammar and style suggestions
- Tone detector
- Supports multiple English dialects
Merlin AI
A powerful AI assistant that works across websites, providing writing help, summaries, and code explanations.
Key features:
- GPT-4 powered
- Summarizes articles, YouTube videos, and PDFs
- Generates emails, code snippets, and more
YouTube & Article Summary with GPT
Designed for quick content consumption. Get AI-generated summaries of long articles and YouTube videos.
Key features:
- One-click summaries
- Saves time for research-heavy tasks
- No sign-up required
Blackbox AI
Especially useful for developers, this extension lets you copy code from videos or images and provides AI code assistance in-browser.
Key features:
- Code extraction from videos
- Code autocomplete
- Works in browser-based IDEs
Compose AI
A writing automation tool that helps generate and complete sentences as you type.
Key features:
- AI auto-complete for writing
- Supports email, documents, and forms
- Context-aware suggestions
Quillbot
An AI paraphraser and grammar checker that integrates into Chrome to help writers rewrite and improve sentences.
Key features:
- Multiple paraphrasing modes
- Grammar and fluency enhancements
- Works in Google Docs
Tabnine
A developer-focused AI code completion tool that works well in cloud IDEs and browser coding environments.
Key features:
- Supports multiple programming languages
- Context-aware code suggestions
- Lightweight and fast
Wordtune
An AI writing companion that offers alternative phrasings and tone adjustments right in your browser.
Key features:
- Rewrites for clarity, tone, and style
- Works on emails, social posts, and documents
- Free basic tier available
Final Thoughts
AI Chrome extensions can transform the way developers and writers work in 2025. Whether you’re coding, drafting emails, or writing a blog post, these tools help you save time and produce better results. Try out a few of these free extensions and see how they fit your workflow!
