Developer & Security Tools

Fast and powerful tools for developers and security professional. All tools run locally in your browser for maximum privacy.

SEO Tools

Robots.txt Analyzer

SEO Tool

Analyze and validate robots.txt files to ensure proper crawler directives

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Sitemap Analyzer

SEO Tool

Parse and analyze XML sitemaps to check URLs, priorities, and update frequencies

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Network Tools

CDN & Firewall Detector

Network Tool

Identify CDN providers and WAF/firewall protection for any website

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CORS Policy Checker

Network Tool

Test CORS configuration and check allowed origins, methods, and headers

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IP Lookup

Network Tool

Get detailed information about any IP address including geolocation and ISP

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Security Tools

HTTP Security Headers Checker

Security Tool

Analyze HTTP security headers and get recommendations for improvement

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JWT Decoder

Security Tool

Decode and inspect JSON Web Tokens (JWT) header, payload, and signature

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NPM Dependency Confusion Validator

Security Tool

Check whether package names exist on npm to detect potential dependency confusion risk

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Secret Key Detector

Security Tool

Scan text for exposed API keys, tokens, and secrets using pattern matching

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Developer Tools

Base64 Encoder / Decoder

Developer Tool

Encode plain text to Base64 or decode Base64 strings back to readable text

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URL Encoder / Decoder

Developer Tool

Percent-encode URL text safely and decode encoded URL components

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Email Tools

DMARC & SPF Checker

Email Tool

Verify email authentication records (DMARC, SPF) for any domain

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DNS Tools

CNAME Checker

DNS Tool

Lookup CNAME DNS records and view the complete resolution chain

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