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A collection of essential, free utilities for webmasters and developers. Safely extract all links from a page, scan open ports, and generate critical SEO files like robots.txt and Content Security Policy (CSP) headers instantly. Built for speed and convenience with absolutely no usage limits.
Test how strong your password is — 100% client-side, private
Generate perfect meta tags for SEO and social sharing
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly
Encode or decode Base64 text instantly
Encode or decode URL-encoded strings
Format, validate, and beautify JSON data
Generate a robots.txt file for your website
Build Content-Security-Policy headers visually