System & Network Swiss Army Knife
The ultimate toolbox for network engineers, sysadmins, CCTV installers, and industrial developers. Free, responsive, and developer-friendly.
AVAILABLE UTILITIES
10 modules loadedSubnet Calculator
NETWORKCalculate network bounds, broadcast IPs, subnet masks, and host counts for any IPv4 address.
IP Geolocation Lookup
NETWORKLookup geographical coordinates, timezone, ISP registry, and zip details for any IP address.
Hash Generator
SECURITYInstantly generate MD5, SHA-1, and SHA-256 cryptographic hashes for text integrity verification.
Base64 Converter
SECURITYEncode plain text string packages to Base64 format or decode verified payloads back to text.
MAC Vendor Lookup
NETWORKInput partial MAC addresses (OUI) to resolve NIC adapter manufacturers from the IEEE registry.
PoE Calculator
CCTVEstimate Power over Ethernet (PoE) voltage drops and cable power standards.
Modbus TCP Tester
INDUSTRIALSimulate Modbus TCP master requests to poll industrial automation registers.
Cron Generator
LINUXEasily compile human-readable time schedules into cron expression syntax.
Windows PID Decoder
WINDOWSDecode Windows digital product keys to extract licensing and version details.
JSON Formatter & Beautifier
DEVELOPERValidate, format, and structure nested JSON structures for clean visual readability.