Hardware & Diagnostics

Measure surrounding sound levels in decibels using a computer microphone in this browser tool.

AudioCheck provides online sound tests to assess audio equipment, with downloadable high-resolution files for patrons.

WinDirStat analyzes disk usage on Windows by scanning drives and folders and showing how storage space is distributed.

NVDA provides a screen reader that can be downloaded free of charge to make computers accessible to blind users.

Deskflow lets users share one keyboard and mouse across multiple computers.

FxSound is free, open-source Windows software for adjusting sound quality, volume, and bass with an equalizer and effects.

Calculate display distance, screen dimensions, aspect ratio, and PPI with this display calculator.

DigitalFeed runs an online ABX test comparing lossless and lossy music samples using a browser audio interface.

Plan a multi-monitor setup by calculating PPI and screen dimensions, previewing wallpapers, and rearranging displays.

ParkControl displays and adjusts Windows CPU core parking and processor scheduling settings, with power automation features.

SilverBench runs a JavaScript CPU benchmark and stress test in the browser, with live results and detailed statistics.

DisplayFusion helps manage multiple monitors with taskbars, title bar buttons, and customizable hotkeys.

Wide Gamut tests a display’s color compatibility with color standards including sRGB, DCI-P3, and BT.2020.

TreeSize analyzes disk space to locate large files and folders for cleanup.

WhatPulse tracks computer activity such as application use, keystrokes, clicks, websites, uptime, and bandwidth.

Use Vial to configure keyboards in real time through its open-source, cross-platform interface and QMK fork.

NVDA provides screen reading support for Microsoft Windows and is free and open source.

spacedesk extends a computer display to other devices over USB, Wi-Fi, or LAN, with viewers for mobile and Windows.

AOMEI Partition Assistant manages hard drive partitions on Windows PCs and servers.

btop4win brings the btop++ process and system monitor to Windows, according to its project description.

Use VoiceMeeter from VB-Audio to mix audio through a virtual audio device.

Espanso expands configured text when a user types a matching keyword, across multiple platforms.

CheatKeys lists supported applications and lets users add custom cheat sheets for apps not yet included.

Use GParted to graphically manage disk partitions, including resizing, copying, and moving them.