About ITToolKit
Free, practical browser-based utilities for networking, system administration, troubleshooting, data conversion and day-to-day IT support work.
What is ITToolKit?
ITToolKit is a free collection of online IT tools created for technicians, network engineers, system administrators, students and advanced home users who need quick answers without installing software or creating an account. The site focuses on practical utilities that solve common technical jobs: subnet calculations, VLSM planning, CIDR and wildcard conversion, IP inventory planning, Base64 decoding, JSON to CSV conversion, password generation, QR code creation, timestamp conversion, text cleanup and more.
The toolkit is built to be simple, fast and private. Most tools run directly in your browser using JavaScript. That means the information you enter is processed on your own device instead of being sent to a remote server. This is especially important for IT tasks where inputs may include internal IP ranges, configuration snippets, encoded strings, inventory lists or troubleshooting notes.
ITToolKit is maintained by OnlineComputerTechnician.com, an IT support business serving homes and businesses in South East Melbourne since 2013. The tools are based on real support, networking and administration workflows rather than generic calculator templates.
Why This Site Exists
IT work often requires quick checks during larger tasks. A technician may need to confirm whether an IP address belongs to the correct subnet, convert a subnet mask to a wildcard mask for a Cisco ACL, plan VLAN address ranges, decode a suspicious Base64 string, or prepare a clean inventory list for DHCP reservations. These jobs are small, but they interrupt the workflow when the right tool is hard to find.
ITToolKit brings these utilities into one clean location. Each page is designed around a specific task, with direct inputs, clear outputs, copy buttons where useful and educational notes explaining the result. The goal is not only to calculate an answer, but also to help users understand what that answer means and how it applies in real environments.
The site is also useful for learning. Networking students can use the subnet and VLSM pages to check practice questions. Help desk staff can use the timestamp, text, password and conversion tools during daily work. Small business IT administrators can use the IP inventory planner to prepare structured address plans before deploying printers, servers, access points, cameras or workstations.
What Makes ITToolKit Different
Who Uses ITToolKit?
The toolkit is intended for people who work with technology regularly. Network engineers can use it for IPv4 subnetting, wildcard masks, VLAN planning and address allocation. System administrators can use it for inventory preparation, timestamp checks, password creation and data conversion. Help desk technicians can use it for quick troubleshooting, text cleanup and customer support preparation. Students can use it to understand subnetting, CIDR ranges and binary mask relationships.
Small businesses may also find the tools useful when planning networks or documenting devices. For example, an office moving to a new network range can use the IP inventory planner to split addresses into categories such as servers, printers, access points, workstations and cameras, then export the plan for documentation.
Current Tool Categories
Networking tools include the Subnet Calculator, VLSM Subnet Planner, CIDR to Wildcard Mask Converter and IP Address Inventory Planner. These tools help with address planning, Cisco ACL preparation and network documentation.
Data and text tools include JSON to CSV conversion, Base64 decoding and encoding, text case conversion, word counting and timestamp conversion. These are useful when cleaning logs, preparing reports or moving data between systems.
Security and utility tools include password generation, QR code creation, random value generation and specialist converters. These tools are built for quick access when working with users, devices or support tickets.
Roadmap
ITToolKit will continue to grow with more practical IT utilities, clearer documentation, improved examples and more export options. Planned improvements include deeper networking references, additional Windows administration helpers, better printable reports, more accessibility refinements and expanded guidance for common technician scenarios.
Suggestions are welcome. If a tool would save time for real IT work, it is a good candidate for ITToolKit.
Ready to get started?
Visit the ITToolKit homepage to browse all available tools, or use the navigation menu to open a specific calculator or converter.