NetDebug Toolkit
Network diagnostics,
simplified.
Ping, DNS, Whois, Traceroute, Port Scan, TLS Inspector, Wake-on-LAN, and more — all from one clean toolkit built for developers and IT teams.
Fast & Structured Output
Every tool returns clean, structured results designed for quick troubleshooting — not walls of text.
Privacy First
All diagnostics run directly from your device. No accounts, no cloud sync, no data collection.
Saved Hosts
Save frequently tested hosts and run any tool against them instantly with one tap.
All 16 Tools
Everything you need for network diagnostics, organized by workflow.
Ping
Check host reachability and measure response time.
HTTP(S) Check
Inspect status codes, redirect chains, and TLS summaries.
Speed / Latency Baseline
Measure latency, jitter, download, and upload speed.
Traceroute
Trace the network path and latency to any destination.
TCP/UDP Connect
Test if a specific TCP or UDP host:port is reachable.
Public IP + Geo/ASN
View your public IP, ISP, ASN, and approximate location.
Whois
Look up domain or IP registration details via RDAP and WHOIS.
DNS Lookup
Resolve DNS records with optional custom resolver support.
DNS Record Explorer
Explore A, AAAA, CNAME, MX, TXT, NS, SRV records with TTL.
TLS Certificate Inspector
Inspect certificate expiry, SAN entries, issuer chain, and weak signals.
Port Scan
Scan selected TCP ports and review open/closed/filtered outcomes.
LAN Scan
Discover active devices on your local subnet.
Subnet Calculator
Calculate subnet details, boundaries, and host counts from CIDR.
mDNS / Bonjour Browser
Discover .local Bonjour services like AirPlay, HomeKit, and printers.
UPnP / NAT-PMP Discovery
Detect gateway UPnP IGD and NAT-PMP with external-IP hints.
Wake-on-LAN
Send a magic packet to wake compatible devices on your network.
Available on
Ready to debug your network?
Download NetDebug Toolkit for free on the App Store.
Download on App Store