Generate random valid port numbers for testing. Filter by well-known, registered, or dynamic ranges. Exclude common ports.

Generate random MAC addresses and validate format. Supports multiple notation styles for network configuration.

Generate customizable lorem ipsum placeholder text. Control paragraphs, words, HTML output, and start with classic lorem. Free online tool.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes. Hash text and files locally in browser. No data uploaded, free for developers.

Generate strong, customizable passwords with entropy calculation. Check password strength and copy instantly. Free client-side tool for developers.

Generate UUID v1 and v4 online. Create unique identifiers with customizable format, quantity, and instant copy-to-clipboard. Free client-side tool for developers.