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.

OSINT Free · no signup

Email Footprint Finder

Discover the digital footprint of any email address — Gravatar, GitHub, social profiles, email provider, and disposable email detection.

Updated May 24, 2026

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Discover 160+ free tools for web scraping, SEO analysis, OSINT, and more. 30 free uses every day — no signup required.

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160+ Free Tools No Signup Required JSON / CSV / Excel 30 Uses / Day

What is Email Footprint Finder?

Email Footprint Finder is an OSINT tool that discovers the digital presence linked to any email address. It checks Gravatar for avatar and profile data, searches GitHub for associated accounts, analyzes MX records to identify the email provider, detects disposable email addresses, and generates potential social media profile URLs with verification.

Use cases

OSINT investigations — trace digital footprint from an email address
Lead enrichment — find social profiles and avatars for email contacts
Fraud detection — identify disposable emails and suspicious patterns
Identity verification — cross-reference email with known public profiles
Sales intelligence — research prospects before outreach

Key features

Gravatar profile and avatar detection

GitHub account discovery via email search

Email provider detection (Google Workspace, Microsoft 365, etc.)

MX record analysis

Disposable email detection

Potential social profile URL generation with HEAD verification

Frequently asked questions

No, it only queries publicly available APIs and services (Gravatar, GitHub public API, DNS records). No private or protected data is accessed.

Profile URLs are generated from the email username and verified with a HEAD request. A 200 response upgrades certainty to 'medium', but username matches aren't guaranteed to be the same person.

It identifies Google Workspace, Microsoft 365, Zoho, ProtonMail, iCloud, Yahoo, and Yandex from MX records. Other providers are labeled 'Unknown'.

Username OSINT

Search for a username across 18+ social platforms — find GitHub, Twitter, Instagram, TikTok, YouTube profiles and more.

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OSINT

Owner Finder

Find who owns and operates a website — WHOIS data, contact emails, analytics codes, CMS platform, and social media profiles.

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OSINT

Domain Age

Check how old a domain is via WHOIS. See creation date, expiry, registrar, and name servers.

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OSINT

Status

Check if a website is up or down. See status code, response time, redirect chain, and server info.

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Utilities

Email Check

Validate email addresses — check format, MX records, disposable/free provider detection, and deliverability score.

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Analysis

Contact

Find contact pages, email addresses, phone numbers, and social profiles on a website.

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Email Footprint Finder

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What is Email Footprint Finder?

Use cases

Key features

Frequently asked questions

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