Check Actual Size (www.piliapp.com)
An online tool to display objects at their actual physical size on screen. Calibrate your monitor using a credit card and view items like rulers and coins at true scale.
Compass Web (compass.onl.jp)
A digital compass web tool that uses your smartphone or tablet's orientation sensor to display the current direction in the browser. Check your bearings without installing any app.
Inch Ruler (www.piliapp.com)
An online inch ruler displayed at actual physical size on your screen. Calibrate using a credit card or coin and measure real-world objects directly on your monitor.
Monitor Size (www.piliapp.com)
An online tool to detect and display your monitor's physical size in inches. Measure your screen diagonal size directly in the browser without physical measuring tools.
Online Ruler (cm) (www.piliapp.com)
An online centimeter ruler displayed at actual physical size on your screen. Calibrate using a credit card or coin and measure objects directly on your monitor.
Pedometer Web (pedometer.onl.jp)
A pedometer web app that counts steps using your smartphone's accelerometer sensor. Use it as a step counter without installing any app.
Protractor (www.piliapp.com)
An online virtual protractor to measure angles on screen. Place the protractor over an image or document to accurately measure angles without physical tools.
Ruler (www.piliapp.com)
An online screen ruler tool for measuring distances and sizes on your display. Drag the ruler across your screen to measure elements in pixels, centimeters, or inches.
Sound Level Meter (geq.onl.jp)
A web tool to measure ambient sound levels in real time using your microphone. Displays decibel readings for checking noise levels and verifying recording environments.
Vision Check Web (eye.onl.jp)
A web tool for a quick vision self-check in the browser using Landolt C optotype symbols. Useful as a preliminary check before an eye exam.
