1tool

A collection of practical web tools to help you test, measure, and optimize your digital experience.

Keyboard Tester
Test all your keyboard keys

Verify that all keys on your keyboard are functioning correctly with this interactive tool.

Mouse Tester
Test your mouse buttons and movement

Check your mouse buttons, scroll wheel, and tracking accuracy with this comprehensive mouse testing tool.

Reaction Time Test
Measure your reaction speed

Find out how quickly you can react to visual stimuli with this simple yet accurate reaction time test.

Batch File Rename
Rename multiple files at once

Quickly rename a batch of files in a selected folder using various rules and patterns.

ADHD Self-Assessment
ADHD screening questionnaire

Professional ADHD self-assessment based on WHO/Harvard Medical School ASRS scale for preliminary screening.

Labubu Mobile Wallpaper
Labubu Live Photo Wallpaper
Beautiful Labubu Live Photo wallpaper collection

High-quality Labubu Live Photo wallpapers with full preview and download experience in Safari browser.

I/E Personality Test
Discover if you're an Introvert or Extrovert

Take this scientifically-based personality assessment to discover your introversion-extroversion tendencies and better understand yourself.

Color Perception Test
Test your color discrimination abilities

Comprehensive assessment of your color perception abilities through scientifically designed test modes including hue sorting, color matching, and color difference detection.

LED Marquee Display
Create LED-style scrolling text display

Simulate LED display screen effects with multiple scrolling directions, text layouts, and color configurations for stunning scrolling text effects.