Get all possible details about an SSL certificate.
Get all the HTTP headers that an URL returns for a typical GET request.
Check whether a website is using the new HTTP/2 protocol or not.
Get details of any file type, such as the mime type or last edit date.
Validate JSON content and make it looks good.
Easily convert JPG image files to PNG.
Parse details from user agent strings.
Easily convert PNG image files to ICO.
Easily convert BMP image files to WEBP.