🌐 Networking Tools
12 free online networking calculators and converters — subnetting, IP, CIDR, MAC, bandwidth, speed test and more, all in your browser.
IPv4 Subnet Calculator
Network, masks, hex, binary map, IP class and subnet splitter.
IPv6 Subnet Calculator
Expand, prefix, range, type/scope, EUI-64 and binary map.
CIDR to IP Range
Convert CIDR notation to first, last and total addresses.
Subnet Mask Converter
Convert between CIDR prefix and dotted subnet mask.
IPv4 Converter
Convert an IPv4 address to decimal, binary and hex.
IPv6 Expand & Compress
Expand or shorten any IPv6 address notation.
MAC Address Generator
Generate random MAC addresses with custom formatting.
Bandwidth Calculator
Estimate download or transfer time from size and speed.
Common Ports Lookup
Search common TCP/UDP ports and their services.
Internet Speed Test
Measure real download, upload and ping speed.
Ping / Latency Checker
Measure HTTP round-trip latency to any host.
IP Information
Your IP, location, ISP, browser and device details.
Free Online Networking Tools
TechGyan360 Networking Tools is a collection of fast, accurate calculators and converters for network engineers, students, and IT professionals. Calculate subnets, convert CIDR notation to IP ranges, translate between subnet masks and prefix lengths, convert IPv4 addresses to binary and hex, expand or compress IPv6 addresses, generate MAC addresses, estimate download times, and look up common ports.
Every tool runs entirely in your browser — no data is sent to a server, so your work stays private. No signup, no installation, and no limits. Bookmark this page as your go-to networking toolkit.