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.
⭐ Popular Tools
Our most-used calculators for PC building and gaming
PSU Wattage Calculator
Calculate the exact power supply wattage your PC needs. Enter your components and get recommended PSU sizes with headroom for upgrades and efficiency.
Calculate Power ➡️CPU Bottleneck Calculator
Identify performance imbalances between your CPU and GPU. Get detailed analysis showing which component limits your system and upgrade recommendations.
Check Bottleneck ➡️FPS Calculator
Predict your gaming frame rates before buying hardware. Enter your CPU, GPU, and target resolution to see estimated FPS in popular games.
Calculate FPS ➡️🔧 Hardware Planning & Upgrades
Essential calculators for building and upgrading your PC
PSU Wattage Calculator
Determine the right power supply for your build. Select your CPU, GPU, drives, and peripherals to calculate total power draw with recommended wattage including safety margins.
Calculate Power ➡️CPU Bottleneck Calculator
Check if your CPU and GPU are well-matched for your use case. Analyze bottleneck percentages at different resolutions and get specific upgrade suggestions.
Check Bottleneck ➡️PC Upgrade Path Planner
Get personalized upgrade recommendations based on your current system, budget, and usage patterns. Prioritize upgrades for maximum performance gains per dollar.
Plan Upgrades ➡️RAM Configuration Optimizer
Find the optimal memory setup for your workload. Get recommendations for RAM capacity, speed, and dual/quad-channel configurations based on your motherboard and usage.
Optimize RAM ➡️🚀 Performance & Optimization
Tools to maximize your PC's speed and efficiency
PC Airflow Calculator
Design optimal cooling for your case. Calculate fan placement, CFM requirements, and pressure balance to keep components cool and quiet under load.
Calculate Airflow ➡️Storage Speed Comparison Tool
Compare real-world performance of HDDs, SATA SSDs, and NVMe drives. See boot times, game loading speeds, and file transfer benchmarks side by side.
Compare Speeds ➡️FPS Calculator
Estimate gaming performance for your hardware configuration. See predicted frame rates at 1080p, 1440p, and 4K for various game titles and settings.
Calculate FPS ➡️🌐 Networking & Utilities
Tools for network analysis and internet planning
IP Address Lookup Geolocation
Look up geographic location, ISP, organization, and network details for any IP address. Useful for troubleshooting connections and understanding traffic origins.
Lookup IP ➡️Internet Speed Requirements Calculator
Calculate bandwidth needs for your household. Factor in streaming quality, gaming, video calls, and number of devices to find the right internet plan.
Calculate Speed ➡️💻 Development & Utilities
Developer tools, security utilities, and productivity helpers
JSON & XML Validators
Validate and format JSON and XML data instantly. Catch syntax errors, see line numbers for issues, and beautify minified code for easier debugging.
Validate Code ➡️Text & Code Converter
Convert text between formats including Base64, URL encoding, HTML entities, and more. Encode and decode data for web development and API work.
Convert Text ➡️Password Strength Checker & Generator
Test existing passwords against modern security standards or generate cryptographically secure random passwords with customizable length and character sets.
Check Password ➡️QR Code Generator
Create QR codes for URLs, plain text, WiFi credentials, or contact cards (vCard). Download in multiple formats for print or digital use.
Generate QR Code ➡️Advanced Color Converter & Picker
Convert colors between HEX, RGB, HSL, and other formats. Generate complementary, analogous, and triadic color schemes for design projects.
Pick Colors ➡️Why Use Our Free PC Tools and Calculators?
Building, upgrading, or maintaining a computer requires careful planning and accurate calculations. Our collection of free computer tools and calculators helps PC enthusiasts, gamers, and IT professionals make informed hardware decisions without guesswork. Whether you're selecting a power supply, checking for CPU bottlenecks, or optimizing your system's cooling, these tools provide instant, accurate results based on real-world specifications.
Each calculator in our suite addresses specific PC building challenges. The PSU wattage calculator ensures your power supply can handle your components safely with headroom for upgrades. Our CPU bottleneck calculator identifies performance imbalances between your processor and graphics card, helping you avoid wasted money on unbalanced upgrades. The FPS calculator predicts gaming performance before you buy new hardware, while the PC airflow calculator optimizes case cooling for quieter, cooler operation.
Beyond hardware tools, we offer essential utilities for security and development. The password strength checker evaluates your login credentials against modern security standards and generates cryptographically secure passwords. Development tools like the JSON and XML validators catch syntax errors before deployment, while the text and code converter handles encoding tasks instantly in your browser. The IP address lookup geolocation tool provides geographic and ISP information for network troubleshooting.
All our PC tools run entirely in your browser with no installation required. Your data stays private—nothing is uploaded to servers. We continuously update our calculators with the latest hardware specifications and industry standards, ensuring accurate recommendations for current and upcoming components. Whether you're planning your first build or optimizing an existing system, these free calculators provide the technical guidance you need for better PC performance.
Need Help Using Our Tools?
If you have any questions about our tools or need assistance, don't hesitate to reach out. We're here to help you make the most of our resources.
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