GitHub Chat vs Undash vs Chat4Data: Which Chrome Extensions tool is Best in 2025?

GitHub Chat is a free AI-powered Chrome extension launched by Bluera Inc. in 2025, designed to enable real-time conversations with GitHub repositories, files, wikis, or documentation. By integrating directly into GitHub’s interface or via githubchat.ai, it leverages advanced AI to provide instant answers about code, READMEs, or project details, enhancing developer productivity. It is ideal for programmers, open-source contributors, and cybersecurity researchers, it streamlines code comprehension and project navigation. Its intuitive interface, robust features, and ethical design make it essential for open-source contribution, code debugging, and cybersecurity research. By using GitHub Chat responsibly, users can accelerate their workflows, deepen code understanding, and excel in technical projects.

Undash is a a Chrome extension that automatically replaces em-dashes (—) with spaces as you type, paste, or use right-click options. It’s designed to make AI-generated text feel more human-like, which can be helpful for writers, students, and marketers. It processes text in real time, so you don’t need to do extra work. It offers a green badge when enabled and red when disabled for easy status checks. It ensures privacy by keeping all processing local, with no data collection. It works on most websites, like LinkedIn, Twitter, and Gmail, making it versatile.

Chat4Data is an AI-powered Chrome extension that makes web scraping easy. You can extract data from any website by chatting with the AI without needing to code. It automates tasks like pagination and lets you export data to spreadsheets, perfect for marketers or researchers. New users get 1 million free tokens to start, with top-ups at $1 per million tokens if needed. Chat4Data offers powerful features for seamless web scraping, including AI-powered data extraction driven by natural language commands, eliminating the need for coding and making it accessible to non-technical users. It automates pagination to effortlessly scrape data across multiple pages, ensuring comprehensive data collection. The tool employs token-efficient scraping, with AI intelligently analyzing web pages to maximize results, and supports exporting data to spreadsheets, making it ideal for efficient data analysis.