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.

Social Media Free · no signup

Hashtag Generator

Generate trending hashtags for Instagram, TikTok, YouTube, and Twitter from any keyword.

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 Hashtag Generator?

The Hashtag Generator is a free tool that creates relevant, trending hashtags from any keyword. It generates platform-specific hashtag sets for Instagram, TikTok, YouTube, and Twitter — with copy-ready text for quick posting.

Use cases

Instagram growth — find the best hashtags to increase post reach
TikTok discovery — use trending hashtags to appear on the For You Page
YouTube SEO — discover tag ideas for video optimization
Content strategy — build hashtag libraries for different content themes
Campaign planning — generate branded and community hashtags

Key features

Generates 20+ relevant hashtags from any keyword

Platform-specific sets for Instagram, TikTok, YouTube, and Twitter

Mix of popular high-reach and niche targeted hashtags

One-click copy for all hashtags at once

Common prefix and suffix patterns for maximum relevance

Export hashtags as JSON, CSV, or Excel

Frequently asked questions

It generates up to 30 hashtags per keyword, with 20 platform-specific hashtags per social network.

The tool generates relevant hashtags using common patterns and popular variations. For real-time trends, combine these with platform-native insights.

Instagram: 5-15 (max 30), TikTok: 3-5, Twitter: 1-2, YouTube: use as video tags.

Engagement Calc

Calculate your social media engagement rate from followers, likes, comments, and shares. Get benchmarks for all platforms.

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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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Social Media

Shorts Analyzer

Analyze YouTube Shorts — views, likes, engagement rate, channel info, tags, and categories.

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OSINT

Username OSINT

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

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OSINT

Username

Check username availability across 15 popular platforms (GitHub, Twitter, Instagram, etc.).

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Hashtag Generator

Explore More Free Tools

What is Hashtag Generator?

Use cases

Key features

Frequently asked questions

Related tools & similar free utilities

Engagement Calc

Char Counter

Post Formatter

Shorts Analyzer

Username OSINT

Username