PC Bottleneck Calculator is a browser-based tool that analyzes CPU, GPU, RAM, and system configurations to detect performance bottlenecks. Unlike complex benchmarking tools, it delivers a simple percentage score with clear insights. It supports both auto-detection and manual selection, helping users quickly identify system limitations and make smarter upgrade decisions for gaming, development, and productivity.

Spacebar Counter is a fast and lightweight tool that lets you measure how quickly you can press the spacebar in real time. Unlike most testers, it runs instantly in your browser with zero setup, a clean interface, and accurate tracking. Built for gamers, typists, and speed testers who want a distraction-free experience without downloads or signups.

GPU Benchmark & Stress Test is a fast, browser-based tool that lets you analyze GPU performance using real-time WebGL rendering. It helps detect issues like low FPS, instability, and hardware limits without installing any software. Designed for developers, gamers, and everyday users, it provides instant stress testing and benchmarking directly in your browser.

DeviceXA Gamepad Tester is a fast, browser-based tool to diagnose game controllers without any installation. It provides real-time input visualization for buttons, triggers, and analog sticks, helping you quickly identify issues like stick drift, dead zones, and unresponsive inputs. Unlike many tools, it runs entirely in the browser, is lightweight, and works instantly across most standard controllers.