🛠 Free Webmaster & Developer Tools
Instant-access utilities for web professionals. No login, no signup, no fuss — just results.
🔍 DNS Lookup Tool — Instantly query DNS records (A, NS, MX) for any domain. Powered by Cloudflare's public DNS-over-HTTPS API for fast, accurate results without any server-side processing.
🔒 SSL Certificate Checker — Verify whether your website has a valid HTTPS/SSL configuration. This tool attempts to reach your domain over HTTPS and reports whether a secure connection is established. For detailed certificate inspection, use an extended SSL scanner.
🔑 Password Generator — Create strong, secure, random passwords instantly. Customize length and character sets. All generation happens in your browser — nothing is sent to any server.
Click "Generate Password" to create a secure password
🤖 Robots.txt Generator — Craft a valid
robots.txt file for your website in seconds. Control which search engine bots can access which parts of your site, and specify your sitemap URL. 100% client-side — no data leaves your browser.