Question 1

What is Krawly.io?

Accepted Answer

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.

Question 2

Is Krawly free to use?

Accepted Answer

Yes! You get 10 free uses per week without signing up. Create a free account to get 100 credits as a signup bonus, or upgrade to a paid plan starting at $9/month for 1,000 credits.

Question 3

Do I need to install anything?

Accepted Answer

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.

Question 4

What data formats can I export?

Accepted Answer

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

Question 5

How does the Krawly API work?

Accepted Answer

After signing up, you get an API key from your dashboard. The REST API accepts JSON POST requests and returns structured data. All 160+ tools are available via the API at https://krawly.io/api/v1/tools/.

Question 6

What types of tools does Krawly offer?

Accepted Answer

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).

Question 7

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

Accepted Answer

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.

Question 8

Can I use Krawly for lead generation?

Accepted Answer

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.

Detect Any Website's Technology Stack

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Frequently Asked Questions

How does technology detection work?

Is this like BuiltWith?

Can I detect if a site uses React or Next.js?