Generates a QR code image for any URL. Returns the QR code as a base64-encoded PNG data URL that can be directly embedded in HTML or downloaded.

Developer Tools

Validates email address format using RFC-style patterns. Checks for common mistakes like missing or multiple @ symbols, invalid characters, invalid domain format, trailing dots, empty local part or domain. Returns structured validation results without external DNS lookups.

Identity & Authentication

Performs comprehensive IPv4 network connectivity testing by pinging a target host or IPv4 address multiple times using HTTP/HTTPS HEAD requests. Returns detailed statistics including minimum/maximum/average latency, packet loss percentage, individual response times, reachability status, and error details.

Developer Tools

Generates a QR code from input text or URL and returns it as a base64-encoded PNG image

Developer Tools