Professional-grade tools for penetration testing, network analysis, development, and security research. 100% client-side processing.
Analyze password entropy and estimate crack time. All processing done locally in your browser.
Launch ToolGenerate MD5, SHA-1, SHA-256, SHA-512 hashes for text and files. Verify file integrity.
Launch ToolGenerate cryptographically secure passwords with customizable length and character sets.
Launch ToolDecode, validate, and analyze JSON Web Tokens. Check expiration, claims, and signature.
Launch ToolVerify SSL certificate validity, expiration date, and chain of trust for any domain.
Launch ToolCheck HTTP security headers (CSP, HSTS, X-Frame-Options) and get improvement recommendations.
Launch ToolAnalyze what information your browser reveals to websites. Check for tracking exposure.
Launch ToolValidate credit card numbers using the Luhn algorithm. Identify card type and BIN.
Launch ToolCalculate CIDR notation, network ranges, broadcast addresses, and usable IP counts.
Launch ToolFind the physical location, ISP, ASN, and timezone of any IP address with interactive map.
Launch ToolQuery DNS records: A, AAAA, MX, NS, TXT, CNAME. Essential for domain troubleshooting.
Launch ToolFind domain registration details, owner information, and expiration dates.
Launch ToolScan IP addresses for open TCP ports. Identify running services and security vulnerabilities.
Launch ToolTest server latency and reachability. Check if websites and servers are online.
Launch ToolCheck HTTP status codes (200, 301, 404, 500) and response headers for any URL.
Launch ToolIdentify device manufacturers from MAC addresses using OUI database lookup.
Launch ToolParse and analyze User-Agent strings. Identify browser, OS, and device information.
Launch ToolParse URLs into components: protocol, host, path, query parameters, and fragments.
Launch ToolEncode and decode Base64 data. Useful for analyzing obfuscated strings and data URIs.
Launch ToolEncode and decode URL-safe strings. Essential for web development and API testing.
Launch ToolConvert text to binary (01010101) and vice versa. Understand digital data representation.
Launch ToolConvert between text and hexadecimal. Useful for analyzing network packets and files.
Launch ToolEscape special HTML characters to prevent XSS attacks. Encode/decode HTML entities.
Launch ToolConvert images to Base64 data URIs for embedding in CSS, HTML, or JSON.
Launch ToolConvert CSV spreadsheet data to JSON format. Perfect for API data transformation.
Launch ToolConvert between HEX, RGB, and HSL color formats. Preview colors instantly.
Launch ToolTest regular expressions with live matching, syntax highlighting, and pattern explanation.
Launch ToolVisual cron expression builder with human-readable descriptions and next run times.
Launch ToolValidate, beautify, and minify JSON data. Syntax highlighting and error detection.
Launch ToolBeautify and format messy SQL queries. Improve readability and debugging.
Launch ToolConvert Unix timestamps to human-readable dates and vice versa. Essential for log analysis.
Launch ToolGenerate unique version 4 UUIDs for databases, APIs, and application development.
Launch ToolVisually build cURL commands for API testing. Export to multiple programming languages.
Launch ToolCompare two text files and highlight differences. Perfect for code review.
Launch ToolGenerate placeholder text for mockups and designs. Customize paragraph count.
Launch ToolCount words, characters, sentences, and paragraphs. Reading time estimation.
Launch ToolCreate QR codes for URLs, WiFi networks, text, or contact information.
Launch ToolTest your cybersecurity knowledge with a 10-question interactive challenge.
Launch ToolGenerate SEO-optimized meta tags for better search engine visibility and rankings.
Launch ToolGenerate Open Graph meta tags for rich social media previews on Facebook, Twitter, LinkedIn.
Launch ToolConvert text to SEO-friendly URL slugs. Remove special characters automatically.
Launch ToolCreate robots.txt files to control search engine crawler access to your website.
Launch ToolGenerate Apache .htaccess configuration for redirects, rewrites, and security.
Launch ToolQuick and simple JSON Web Token decoder. View header and payload claims.
Launch Tool