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

Social Media Finder

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

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 Social Media Finder?

The Social Media Finder (Username OSINT) searches for a username across 18+ popular social media platforms simultaneously. It checks GitHub, Twitter/X, Instagram, TikTok, YouTube, LinkedIn, Reddit, Pinterest, Twitch, and more — helping you discover someone's online presence across the web.

Use cases

OSINT investigations — map a person's online presence across platforms
Brand monitoring — check if your brand name is available or already taken on social platforms
Recruitment — find candidate profiles beyond their resume
Influencer discovery — verify claimed social media accounts
Security auditing — check your own digital footprint across platforms

Key features

Searches 18+ platforms: GitHub, Twitter/X, Instagram, TikTok, YouTube, Reddit, Pinterest, Twitch, LinkedIn, Medium, Dev.to, Steam, Spotify, SoundCloud, Behance, Dribbble, and more

Concurrent checking for fast parallel searches

Direct links to found profiles

Found/not-found classification with visual status

No API keys required — uses public profile URL checking

Frequently asked questions

It checks each platform's public profile URL pattern and verifies the HTTP response code. A 200 status means the profile exists.

Yes, the tool detects that the username is registered even if the profile is private, as long as the profile URL returns a 200 response.

Currently 18 platforms including GitHub, Twitter/X, Instagram, TikTok, YouTube, Reddit, LinkedIn, Pinterest, Twitch, Medium, and more.

Email Footprint

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

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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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Social Media

Char Counter

Check your text against character limits for Twitter, Instagram, TikTok, LinkedIn, YouTube, Facebook, Pinterest, and Threads.

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Social Media

Post Formatter

Format and optimize your text for Twitter, Instagram, TikTok, LinkedIn, YouTube, and Facebook with platform-specific formatting.

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Looking for something specific? Browse all 158 Krawly tools

Social Media Finder

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What is Social Media Finder?

Use cases

Key features

Frequently asked questions

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Email Footprint

Owner Finder

Domain Age

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