Crawler.sh
Crawler.sh is a fast, local-first web crawling and SEO analysis tool that enables users to crawl entire websites, extract clean content, and export structured data in seconds. It is available as both a command-line interface and a native desktop application, giving developers and SEO professionals flexibility depending on their workflow. It performs high-speed concurrent crawling within the same domain, with configurable depth limits, concurrency controls, and polite request delays suitable for large sites. It automatically extracts the main article content from pages and converts it into clean Markdown, including metadata such as word count, author byline, and excerpts. It also runs sixteen automated SEO checks per page to detect issues like missing titles, duplicate descriptions, thin content, long URLs, and noindex directives. Results can be streamed or exported in multiple formats, including NDJSON, JSON, Sitemap XML, CSV, and TXT.
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UseScraper
UseScraper is a powerful web crawler and scraper API designed for speed and efficiency. By entering any website URL, users can retrieve page content in seconds. For those needing comprehensive data extraction, the Crawler can fetch sitemaps or perform link crawling, processing thousands of pages per minute using the auto-scaling infrastructure. The platform supports output in plain text, HTML, or Markdown formats, catering to various data processing needs. Utilizing a real Chrome browser with JavaScript rendering, UseScraper ensures the successful processing of even the most complex web pages. Features include multi-site crawling, exclusion of specific URLs or site elements, webhook updates for crawl job status, and a data store accessible via API. The service offers a pay-as-you-go plan with 10 concurrent jobs and a rate of $1 per 1,000 web pages, as well as a Pro plan for $99 per month, which includes advanced proxies, unlimited concurrent jobs, and priority support.
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Semantic Juice
Use capabilities of our web crawler for topical and general web page discovery, open or site specific crawl with powerful domain, URL, and anchor text level rules. Get relevant content from the web, discover new big sites in your niche. Use API for integration with your project. Our crawler is tuned to find topical pages from small set of examples, avoid various spider traps and spam sites, crawl more often more relevant and more topically popular domains, etc. You can define topics, domains, url paths, regular expression, crawling intervals, general, seed, and news crawling modes. Built-in features make our crawlers more efficient as they ignore near duplicate content, spam pages, link farms, and have a real time domain relevancy algoritm which gets you the most relevant content for your topic.
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Crawl4AI
Crawl4AI is an open source web crawler and scraper designed for large language models, AI agents, and data pipelines. It generates clean Markdown suitable for retrieval-augmented generation (RAG) pipelines or direct ingestion into LLMs, performs structured extraction using CSS, XPath, or LLM-based methods, and offers advanced browser control with features like hooks, proxies, stealth modes, and session reuse. The platform emphasizes high performance through parallel crawling and chunk-based extraction, aiming for real-time applications. Crawl4AI is fully open source, providing free access without forced API keys or paywalls, and is highly configurable to meet diverse data extraction needs. Its core philosophies include democratizing data by being free to use, transparent, and configurable, and being LLM-friendly by providing minimally processed, well-structured text, images, and metadata for easy consumption by AI models.
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