Nizam Ud Deen
Muhammad Nizam Ud Deen Usman is the founder of theCoreiTech and the author of The Local SEO Cosmos. He has worked in search since 2014 as an SEO consultant for eCommerce stores and local businesses, specialising in eCommerce SEO, local SEO and technical SEO, and runs SEO Academy and the SEO Community from Multan, Pakistan. He also founded ORM Digital Solutions, a digital agency serving medium and large businesses, and holds a degree from the University of Education, Lahore (Multan Campus). Plerdy lists him among its Best 20+ SEO Experts in Pakistan. Nizam started theCoreiTech in 2012 to make computers easier to understand and use for everyone. More of his work is at nizamuddeen.com.
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Tools
Word and Character Counter (Free Online Text Counter)
A word and character counter measures how much text you have written by counting the words, characters, sentences, and paragraphs…
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Tools
Time Zone Converter (Convert Times Between Time Zones Online)
A time zone converter changes a time from one time zone into the matching local time in another, so you…
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Tools
Regex Tester (Free, In-Browser)
A regex tester is a tool that runs a regular expression against sample text and shows you exactly what it…
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Tools
JSON Formatter and Validator (Free, In-Browser)
A JSON formatter is a tool that reformats JSON text into a clean, indented layout and confirms whether it is…
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Tools
Color Picker (HEX, RGB and HSL)
A color picker is a tool that lets you choose a color and read its value as HEX, RGB and…
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Tools
Base64 Encoder and Decoder (Encode and Decode Online)
Base64 is a way to represent binary data or text as a string of safe ASCII characters, so it can…
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Tools
Strong Password Generator (Free, In-Browser)
A password generator creates a long, random password that no person would think of and no cracking tool can guess…
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Computer Networking & Internet
What Is a Network Hub?
A network hub is a layer-1 device that broadcasts incoming data to every port. Learn how a hub works, passive…
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Computer Networking & Internet
Switch vs Router: What’s the Difference?
Switch vs router compared: a switch connects devices within one network at layer 2, while a router connects different networks…
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Computer Networking & Internet
What Is a Wireless Access Point?
A wireless access point adds Wi-Fi to a wired network by bridging clients onto the LAN. Learn how an access…
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Computer Networking & Internet
What Is the OSI Model?
The OSI model is a seven-layer framework from the ISO that standardizes network communication, covering each layer, encapsulation, the OSI…
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Computer Networking & Internet
What Is a Computer Network?
What is a computer network: two or more connected devices that share data and resources, explained with network types, components,…
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Computer Networking & Internet
Network Topologies Explained
Network topologies explained: the physical and logical layouts of a network including star, bus, ring, mesh, and tree, with advantages…
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Computer Networking & Internet
What Is a MAC Address?
A MAC address is a unique 48-bit hardware identifier on a network interface card, covering its hexadecimal format, OUI split,…
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Computer Networking & Internet
What Is a Network Protocol?
What is a network protocol: the set of rules that lets devices communicate, including TCP, IP, HTTP, and how protocols…
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Computer Networking & Internet
What Is TCP/IP?
What is TCP/IP: the protocol suite that runs the internet, including the four layers, how TCP and IP work together,…
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Computer Networking & Internet
What Is a Subnet Mask?
A subnet mask is a 32-bit value that splits an IP address into network and host parts, covering 255.255.255.0, CIDR…
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Computer Networking & Internet
IPv4 vs IPv6: What’s the Difference?
IPv4 vs IPv6 compared across 32-bit and 128-bit address length, address space, IPv4 exhaustion and NAT, IPv6 features such as…
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Computer Networking & Internet
What Is a Modem?
A modem modulates and demodulates signals to connect a network to an internet service provider. Learn how modems work, the…
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Computer Networking & Internet
Modem vs Router: What’s the Difference?
Modem vs router: the modem connects your home to the ISP while the router shares that connection among devices. Compare…
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Computer Networking & Internet
What Is a Network Switch?
A network switch connects devices in a LAN and forwards frames by MAC address at Layer 2. Learn how switches…
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Computer Networking & Internet
Ethernet Cable Types Explained
Ethernet cable types explained: Cat5e, Cat6, Cat6a, Cat7, and Cat8 compared on speed, bandwidth in megahertz, shielding, and the maximum…
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Computer Networking & Internet
What Is Ethernet?
Ethernet is the IEEE 802.3 standard for wired local networking. Learn how Ethernet works through frames and MAC addressing, its…
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Computer Networking & Internet
Wi-Fi Standards Explained
Wi-Fi standards explained: the IEEE 802.11 generations from Wi-Fi 4 to Wi-Fi 7 compared on speed, frequency bands, and features…
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