Show HN: Online Protractor

How to Use the Online Protractor Put the center of the protractor on the corner of the angle and drag one handle along each side. The angle appears in the box under the protractor. 1. 📐 Measure on Screen Hold the object against the screen, or tap Fullscreen for more room. Switch to 360° for angles larger than 180°. 2. 🖼️ Measure in a Photo Choose Image, then add, drop or paste (Ctrl + V) a picture. Zoom in, place the protractor and tap Save image to keep the result. 3. 📷 Measure with the Camera Choose Camera and point it straight at the object. Tap Freeze to hold the picture, then place the protractor.