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.

Convert between LF, CRLF, and CR line endings. Detect and fix line ending inconsistencies across platforms.

Calculate aspect ratios for images and videos. Convert dimensions and generate CSS aspect-ratio code.