Free BMI calculator to assess your body mass index. Get instant results with BMI categories and health recommendations. Works on all devices.

A free, responsive scientific calculator for desktop, tablet, and mobile. Supports trigonometric, logarithmic, and advanced mathematical functions. No installation required, works directly in your browser.

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

Find MIME types by file extension. Comprehensive database for common file types and web formats.

Minify or beautify CSS instantly. Reduce file size or format for readability. Pure client-side CSS processing.

Convert between binary, hexadecimal, octal, and decimal instantly. Essential for low-level programming and debugging.