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Eigenvalue Finder
Calculate eigenvalues and eigenvectors of matrices quickly and easily with our free online Eigenvalue Finder tool. Solve for eigenvalues now!
JSON Merge Patch Builder
Build RFC 7396 JSON Merge Patches, preview results, and export. Diff two JSONs, apply patch, and validate deletes via null. Fast, private, and free in-browser.
Jacobsthal Numbers Checker and Generator
Check and generate Jacobsthal numbers instantly. Fast tool to explore this special number sequence for math study and number theory practice.
Robots.txt Visual Analyzer
Analyze robots.txt instantly. Parse directives, spot issues, and test URLs by user-agent with longest-match evaluation. Private, fast, and fully browser based.
Substitution Table Maker
Generate substitution tables for cryptography & security. Create custom alphabets and mappings quickly & easily. Free online tool!
Enigma Rotor Simulator
Simulate the Enigma machine online. Encrypt and decrypt messages using various rotor settings. Learn about cryptography and WWII codebreaking.
LLMs TXT Generator
Create a clean llms txt file to guide AI crawlers. Add rules per bot, training consent, paths, crawl delay, and sitemaps. Download ready txt in one click.
QR Code Explainer - Decode Any QR
QR Code ExplainerDecode any QR code online - URLs, UPI payments, Wi-Fi, vCards & tracking (UTM). Secure, no redirects, privacy-first. Free QR analyzer.
Curl to PHP Converter
Convert cURL commands into PHP code instantly. Free cURL to PHP Converter for developers supporting GET, POST, headers, and APIs.
CSS Glitch Effect Generator
Create CSS glitch effects instantly. Perfect for cyberpunk text, distorted animations, hero sections, and modern creative web UI designs.
CSS Blob Generator
Generate organic CSS blob shapes instantly. Perfect for modern web design, backgrounds, hero sections, and creative UI elements.
SVG Wave Generator
Generate SVG wave backgrounds instantly. Perfect for responsive web design, section dividers, hero backgrounds, and modern UI layouts.