Actively developed — new tools added regularly

Your infrastructure, always within reach.

Network diagnostics, SSL inspection, security auditing, and more — 57+ professional-grade tools built for infrastructure engineers who work with networks, servers, and cloud.

Download on theApp Store
FreeiOS 16.0+57+ tools
xutil

$ ssl-check example.com

TLS 1.3 | Valid 342 days |Let's Encrypt

HSTS | Security Headers B+

$ ip-calc 10.0.0.0/22

Network 10.0.0.0 | Hosts 1022 | Broadcast 10.0.3.255

$ security-headers example.com

CSP | X-Frame-Options | COEP

$ dmarc example.com

SPF | DKIM | DMARC p=reject

$

All the tools you need

5 categories, 57+ professional-grade tools

Network

IP & Network Tools

IP CalculatorVLAN CalculatorBandwidth CalculatorWiFi Channel PlannerMTU/MSS CalculatorMAC Vendor LookupWake-on-LANLatency Simulator

Web / HTTP

Web Diagnostics

HTTP HeadersResponse TimeAPI TesterWebSocket TesterOG PreviewCookie AnalyzerRedirect CheckerCORS Tester

SSL / TLS

Certificate & Encryption

SSL CheckerSSL Expiry MonitorTLS Version TestHSTS CheckerSecurity HeadersSSL Chain ValidatorOCSP Checker

Security

Application & Network Security

WAF DetectorTech Stack DetectorHash GeneratorJWT DecoderPassword GeneratorDNS Takeover CheckerZone Transfer Test

Email

Email & Domain Security

SPF ValidatorDKIM ValidatorDMARC AnalyzerMX CheckerBIMI CheckerMTA-STS CheckerSMTP TesterEmail Deliverability

57+ Tools

Professional-grade networking and security tools, all in one app

Offline Ready

Core tools work without an internet connection

Native Performance

Built with Swift/SwiftUI for fast, responsive experience

Privacy First

No data collection or tracking. Everything processed on device

Ready to get started?

Requires iOS 16.0 or later. Free to download.