Krawly.io is a free online platform that provides 160+ web scraping, SEO analysis, security auditing, and developer tools. It allows users to extract data from websites, analyze SEO performance, check security headers, detect technologies, scrape YouTube data, generate leads, and much more — all without requiring signup or installation.

Is Krawly free to use?

Yes! Krawly is completely free. You get 30 free uses per day without signing up. No credit card required.

Do I need to install anything?

No installation needed. All 160+ tools run directly in your browser with no downloads or setup required. There is also a REST API and a Chrome extension for advanced users.

What data formats can I export?

All tools support JSON, CSV, and Excel (XLS) export. The screenshot tool provides PNG images. API responses are in JSON format.

How does the Krawly API work?

Krawly is a free web-based platform. All 160+ tools are available directly in your browser with no signup required. You get 30 free uses per day.

What types of tools does Krawly offer?

Krawly offers tools in 11 categories: SEO (meta tag validator, heading analyzer, keyword density, core web vitals), Web Scraping (email scraper, table extractor, CSS selector scraper), Security (SSL checker, port scanner, WordPress scanner), OSINT (DNS lookup, WHOIS, IP geolocation), E-Commerce (Amazon scraper, Shopify scraper, price tracker), YouTube (comments scraper, playlist extractor, thumbnail downloader), Developer (JSON formatter, regex tester, JWT decoder), Content (word counter, readability score), Analysis (technology detector, page speed analyzer), Social Media (TikTok analyzer, Instagram analyzer), and Utilities (QR code generator, URL shortener).

Is Krawly a good alternative to SEMrush, Ahrefs, or BuiltWith?

Krawly provides many of the same on-page SEO analysis features as SEMrush and Ahrefs for free, including meta tag validation, heading analysis, keyword density checking, and structured data auditing. For technology detection, it serves as a free alternative to BuiltWith and Wappalyzer. However, Krawly focuses on individual page analysis rather than domain-wide crawling or backlink databases.

Can I use Krawly for lead generation?

Yes. Krawly's Lead Generation tool automatically crawls a website's homepage, about, contact, and team pages to extract email addresses, phone numbers, LinkedIn profiles, Twitter handles, Facebook pages, Instagram accounts, and GitHub links. Results can be exported as JSON, CSV, or Excel.

E-Commerce Free · no signup

Product Data Extractor

Extract structured product data from any e-commerce page — Schema.org, JSON-LD, prices, ratings, and availability.

Updated May 24, 2026

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What is Product Data Extractor?

The Product Data Extractor pulls structured product information from any e-commerce page using Schema.org, JSON-LD, and Open Graph product markup. It extracts product names, prices, ratings, availability, images, and offers — ideal for competitive intelligence and market research.

Use cases

Price monitoring — track competitor product prices and availability
Market research — compare product features, pricing, and ratings across stores
E-commerce SEO — verify that your product pages have proper structured data markup
Dropshipping research — quickly gather product details from supplier websites
Catalog building — extract product data for comparison shopping engines

Key features

Schema.org and JSON-LD product data extraction

Price, currency, and availability detection

Product rating and review count extraction

Image and thumbnail URL collection

Multi-offer support for products with multiple sellers

Multi-URL support for batch product comparison

Frequently asked questions

It looks for Schema.org Product type in JSON-LD format, Microdata, and Open Graph product tags. Most major e-commerce platforms use at least one of these.

Not all e-commerce pages include structured data markup. Some sites render product details with JavaScript without adding Schema.org annotations.

For Amazon specifically, use our dedicated Amazon Product Scraper tool which handles Amazon's custom page structure. This tool works best on sites using standard Schema.org markup.