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Website Hosting Checker
Diagnostic
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Security
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DNS Propagation Checker
DNS
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TTFB Speed Tester
Performance
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Generator
Build a custom .htaccess file with HTTPS redirects, security headers, GZIP compression, caching rules and WordPress support.
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Calculator
Compare web hosting prices from 20+ providers — Hostinger, SiteGround, Bluehost, WP Engine, Kinsta and more.
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Diagnostic
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Website Speed Tester
Performance
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Diagnostic
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DNS Lookup Tool
DNS
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Website Ping Tool
Diagnostic
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Calculator
Estimate your AWS monthly bill — EC2, RDS, S3, CloudFront, Route 53, Lambda, SES and ElastiCache all in one calculator.
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JSON Formatter & Validator
Developer Tool
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Developer Tool
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Password Generator
Security
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HTTP Header Checker
Security
Inspect HTTP response headers for any URL. Security header audit, score, caching rules, server info and full header table.
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Port Checker
Diagnostic
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Regex Tester
Developer Tool
Test regular expressions in real-time. Highlight matches, extract groups, replace, and explore a full cheatsheet with common patterns.
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Website Screenshot Tool
Diagnostic
Preview any website in desktop, tablet or mobile view. See how a site renders without opening it — no install needed.
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Robots.txt Generator
SEO / Generator
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