Xonvert
Xonvert · Tools · Network

Network tools — 13 free, in your browser

IP, DNS, network, and lookup utilities — your own server proxies the queries so third-party APIs never see them.

Most popular

Internet Speed Test
Measure your download, upload and latency — runs against our own server.

All network tools

CIDR Calculator
Inspect any CIDR block — network, broadcast, hosts, mask, and binary.
Subnet Calculator
Split any network into N equal subnets — see each new range.
User Agent Parser
Decode any User-Agent string — browser, engine, OS, device type.
MAC Lookup
Validate any MAC address — show vendor (OUI), unicast/multicast bits.
HTTP Header Inspector
Paste raw HTTP headers — get a clean structured view + security report.
DNS Lookup
Look up A, AAAA, MX, TXT, NS and more for any domain — straight from your browser.
Domain Lookup
See a domain’s registrar, key dates, nameservers and status — no signup.
My IP Address
See your public IP, rough location and connection details — instantly.
IP Lookup
Look up any IP address or domain — location, ISP, ASN and timezone.
SSL Checker
Inspect any site’s TLS certificate — issuer, expiry, SANs and chain.
Port Checker
Check whether common ports accept TCP connections on a host.
Ping (Latency)
Measure round-trip latency to a host over TCP — min, average and max.

What people do with the network tools

  • ·Look up your public IP and approximate geolocation
  • ·Compute CIDR subnets, broadcast addresses
  • ·Query DNS records (A, AAAA, MX, TXT, SOA)
  • ·Decode and convert between IPv4 and IPv6
  • ·Look up WHOIS / RDAP for domains and IP ranges

Why Xonvert Network

Compared with WhatIsMyIP, MXToolbox, dig and nslookup, Xonvert's network tools trade install, license, and account for a URL. Free, private, fast, and offline-capable once loaded. The depth a desktop tool offers, with none of the friction.

Frequently asked questions

Are the Xonvert Network tools free?+
Yes — every tool is free. No signup, no credit card, no trial limits. Pro removes the small export watermark on free tools and lifts daily quotas on the heaviest operations.
Do my files leave my device?+
No. The Network tools run entirely in your browser. Your files are processed locally and never reach our servers.
Do they work offline?+
Yes — once a tool page is loaded, the browser caches its code and the tool keeps working without internet.
Do they work on mobile?+
Yes. Every network tool works in modern mobile browsers on Android and iOS without an app install.
Can I use these for commercial work?+
Yes, with no licensing fees. We don't claim rights to anything you produce.