A-Parser is a high-performance, self-hosted web scraping and data collection platform for SEO professionals, marketers, developers, data engineers, and e-commerce teams. It includes 110+ built-in parsers for search engines, Google Maps, YouTube, SEO services, keyword tools, domain services, and other online sources. Users can build custom scrapers with RegEx, XPath, JavaScript, and TypeScript, automate browser-based extraction with Chromium and Puppeteer, manage and rotate proxies, and run nested or sequential scraping workflows. A-Parser runs on Windows and Linux, with macOS support via Docker, and provides a browser-based Web UI plus an HTTP/JSON API for Enterprise users.