Best System Utilities in 2026

See how fast you can click.

Key Click Speed Test features:

Skill Improvement Stress Relief Competitiveness

Next-generation real-time digital avatar infrastructure | Affordable, Accessible, Alive.

Key Spatius features:

Photorealistic Real-Time Digital Humans Cloud-Edge 3DGS Architecture Stable on Low-Bandwidth Networks Cross-Platform SDKs

Try for free freemium

Free Online Keyboard Testing Tool.

Key Keyboard Tester Pro features:

User-Friendly Interface Comprehensive Key Testing Real-Time Feedback Compatibility

Measure your mouse's real DPI against a physical reference, with the spread shown and the alignment error measured. Runs in your browser; nothing is uploaded.

Key inputprobe DPI Test features:

Free and accessible No technical expertise required Quick results Raises awareness of network surveillance

free

A French gaming optimization app that guides reversible Windows tweaks and practical PC, console and mobile settings without modifying games.

paid €99 / Annually (Essentiel FPS — 1 PC)

Test monitors, keyboards, mice, audio devices, controllers, and click speed. Fast, free, and no installation.

Key HardwareTest.org features:

Platform Installation Mouse Polling Rate Gamepad Testing

free

Rebuild your whole Windows working setup on a new PC, not just the files. It carries the junctions, credentials and local configs that git and file-sync leave out, then rebuilds the machine and installs what each project needs.

Key Densar BK features:

Rebuilds the setup, not just the files Carries what git leaves out Skips what can be rebuilt Installs what the projects need

freemium €59 / One-off (BK Smart AI, one-time. Restoring is always free)

Uses advanced AI technology to automatically detect and repair printer driver issues, update drivers, and ensure optimal printer performance. Compatible with all major printer brands, it provides an easy solution for all your printing issues.

Key Kingshiper AiPrinter Fixer features:

auto install printer model manual install printer model ai printer repair

freemium $12.99 / One-off

Run a full keyboard test: press every key and watch it register on a live board, with press counts, rollover tracking and re-press timing. Nothing is uploaded.

Key inputprobe Keyboard Tester features:

No Installation Required Real-Time Key Detection Free to Use Simple and Intuitive Interface

free

Windows PC repair tool you can talk to. Describe the problem, get it fixed. A local AI learns your system, finds the real problem, fixes it in the right order, and lets you undo everything with one click. Free beta | no cloud, no fake scans.

Key SimpleFixAI features:

Simple and user-friendly interface AI-powered diagnostics Quick problem resolution Cost-effective support alternative

Keep your presence active and your machine awake. Click a safe screen area or use human-style wiggle mode. Free for Mac and Windows.

Key Green Dotter features:

User-Friendly Interface Focus on Sustainability Streamlined Processes Modern Design

free

Test all your mouse buttons, detect double-click issues, and check scroll wheel accuracy. Free, instant, and works on any browser.

Key Mouse Tester features:

Visual button map Double-click issue detection Scroll wheel jump/direction checks

free

Clean up your file names with ease. Remove special characters, convert to kebab-case, camelCase, lowercase or PascalCase and download as a zip.

Key File Fixer App features:

User-Friendly Interface Comprehensive File Repair High Success Rate Quick Repair Process

free £4 / Monthly

Razer Synapse is unified configuration software that allows users to rebind controls or assign...

Key Razer Synapse features:

Customization Cloud Storage Device Management Driver Updates