Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Extract http/https URLs from any kind of text content.
Generate passwords with custom length and custom settings.
Upload a QR code image and extract the data out of it.
Transform an image input to a Base64 string.
Convert your text to any kind of text case, such as lowercase, UPPERCASE, camelCase...etc.