Developer & IT
Complete toolkit for developers, programmers, and IT professionals. Streamline your development workflow with code formatting and minification, visual CSS generators, network diagnostics, security utilities, API testing, database management, Git helpers, and comprehensive browser and device testing tools. From front-end CSS to back-end APIs, from development to deployment, these tools help you code faster, debug smarter, and build better applications.
See in real time when your window has focus, loses focus, or its tab is hidden, with live timers, counters and a full event log.
Calculate CSS clamp() values for responsive typography that scales smoothly between viewport breakpoints, with presets and a live preview.
Convert px to rem, rem to px, and px to em instantly. Set your own base font size for accurate, project-specific CSS calculations.
Calculate the network address, broadcast address, usable host range, and CIDR notation for IPv4 and IPv6 networks, with a binary breakdown and CIDR table.
Generate and verify bcrypt password hashes with an adjustable cost factor. Everything runs in your browser, so passwords never leave your device.
Generate RSA public and private key pairs in PEM format with custom key sizes, encryption or signing types, and a SHA-256 fingerprint.
Generate time-based one-time passwords for two-factor authentication from a Base32 secret. Supports SHA-1, SHA-256, SHA-512 with QR import and multi-account management.
Build a Content-Security-Policy header visually with a directive builder, preset templates, live security warnings, and output for Apache, Nginx, PHP, and more.
Decode and inspect PEM-encoded X.509 SSL/TLS certificates in your browser. View subject, issuer, validity, public key, fingerprints, and extensions.
Generate and verify HMAC authentication codes with 8 algorithms (SHA-256, SHA-512, SHA3, MD5, and more). Sign and check webhook and API signatures instantly.
Encrypt and decrypt text online with AES, DES, TripleDES, and RC4. Set a secret key and IV, choose Base64 or Hex output, and keep everything in your browser.
Check how strong your password is with a real-time score, entropy in bits, crack-time estimates, and actionable tips to improve it.