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

Free loan payoff calculator to estimate monthly payments, total interest, and payoff timeline for any loan. Easy to use with no registration required.

Complete HTTP status code reference with descriptions. Includes 1xx, 2xx, 3xx, 4xx, 5xx categories. Searchable database.

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

Decode X.509 SSL certificates client-side. Verify PEM format and extract certificate details without uploading files.

Check port numbers and view common service ports database. Includes well-known, registered, and dynamic ports.