PC Tools and Calculators
Your comprehensive collection of free tools for PC building, hardware planning, troubleshooting, and optimization. All tools run directly in your browser with no installation required.
Browse by Category
Hardware Tools
Power, performance, upgrades, and component comparisons.
Networking Tools
Bandwidth planning, IP lookups, and subnet calculations.
Data Tools
Validate JSON and XML, or convert text and code formats.
Creative Tools
Color conversion, palette building, and QR code creation.
Display Tools
Pixel density calculators and screen sharpness analysis.
Security Tools
Password strength checks and secure password generation.
Popular Tools
Hardware Planning & Upgrades
Display & Visual
Performance & Optimization
Networking & Utilities
Development & Utilities
Why Use Our Free PC Tools and Calculators?
Building, upgrading, or troubleshooting a PC involves many decisions that benefit from accurate data. Our collection of free online calculators and utilities removes the guesswork from hardware planning, performance optimization, and network configuration.
Whether you need to calculate PSU wattage for a new build, check for CPU bottlenecks, estimate gaming FPS, or validate JSON data, each tool is designed to give you instant, reliable results directly in your browser.
Our tools cover hardware planning, networking utilities, data validation, creative tools, display analysis, and security checks. Every calculator uses industry-standard formulas and benchmarks to ensure accuracy.
All tools are free to use with no sign-up required. They run entirely in your browser for maximum privacy and speed. We continuously update our tools as new hardware and standards emerge.