
Qian Xu
Welcome to my corner of the internet. I'm a software engineer based in Guangzhou, China. A detail-oriented developer who loves crafting pixel-perfect interfaces and building tools that make everyday tasks a breeze.
Bandian Tech
Full Stack Developer
Building AI-powered fintech products using Next.js. Responsible for end-to-end development of trading platforms and financial analytics tools.
9Air
Software Engineer
Developed and maintained internal OA systems to streamline business operations and improve workflow efficiency across departments.
Projects
APIPass
An AI-powered API aggregation platform. Connect to any API instantly. Discover, integrate, and manage thousands of APIs in one unified marketplace.
AI-powered stock analysis tool for U.S. stocks, offering institutional-grade data and insights to help you invest smarter.
AI music generator that creates high-quality songs from text prompts. Features music splitting, mixing, enhancement, and audio restoration for musicians and creators.
Anti-detect browser for managing multiple accounts with maximum anonymity. Offers anti-detection, account protection, and scalable business growth solutions.
Open Source Contributions
Project
Internationalization (i18n) for Next.js that gets out of your way.
My Contribution
Contributed bug fixes and documentation improvements to the popular Next.js internationalization library.
Project
A Chrome extension for capturing and downloading M3U8 video streams from web pages.
My Contribution
Author. Built a browser extension with 400+ daily active users that automatically detects and saves HLS video streams.
Project
A smart image batch compression tool supporting JPG, PNG, WebP, GIF, and AVIF formats.
My Contribution
Author. Created an efficient CLI tool and Node.js library that intelligently compresses images while maintaining quality.
Project
A data collection tool for Chinese calendar data including lunar dates, festivals, and auspicious days.
My Contribution
Author. Built a scraper that exports RFC 5545 ICS format, compatible with Apple Calendar, Google Calendar, and Outlook.
Project
An MCP server for querying China Railway 12306 train tickets, enabling AI assistants to search train schedules.
My Contribution
Author. Developed an MCP-based service supporting ticket queries, transfer searches, and station lookups for Claude, Cursor, etc.