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Use our free HTML Entity Decode tool to convert HTML entities (&, <, >) back to readable characters. Essential for debugging, readability, & data processing.

Use our free HTML Entity Encode tool to convert special characters (&, <, >, ", ') into HTML entities. Prevent rendering issues & boost security (XSS).

Use our free IP Subnet Calculator to instantly compute network, broadcast, host ranges, & subnet mask. Supports CIDR & VLSM. Essential for network planning & studies.

Check if a port is open on any IP or domain with our free Open Port Checker. Test server ports, troubleshoot firewalls, & verify connectivity online now.

Perform a DNS lookup for any domain with our free online DNS checker. Verify A, AAAA, MX, NS, CNAME, TXT records & more. Fast, accurate, real-time results.

What's my IP address? Instantly find your public IP with our free online tool. Get IP location, ISP, & more. Fast, accurate & secure IP check.

Find your User-Agent string instantly! Our free User-Agent Finder tool reveals your browser, OS, & device details. Essential for developers & web analysis.

Find domains MX servers instantly with our free MX record lookup tool. Check email server settings, priority, & troubleshoot email delivery. Fast & accurate.

Get information about any IP address instantly! Our free IP lookup tool reveals IP location, owner, ISP, & more. Analyze & troubleshoot network data now.