MathSimpler

GeoSketch – Interactive Plane Geometry

Open EditorHelp

Draw points, lines, circles, triangles, parallelograms; edit parameters precisely; view axes/grid; undo/redo; and export your sketch.

GeoSketch Editor Shortcuts: V select, P point, L segment, O circle, Ctrl+Z/Y undo/redo

Quick Add Shapes (Click to Add)

Drawing Tools

Controls

🚀 Quick Start Guide

💡 Get Started (3 Steps)

  1. Click colored buttons - Instantly add shapes to canvas center
  2. Select shape - Click "Select" tool, then click a shape
  3. Drag to modify - Drag shape points to adjust

🎯 Detailed Features

  • Quick Add: Click top colored buttons to instantly add shapes
  • Manual Draw: Select drawing tools and click on canvas
  • Connect Points: Use "Segment" tool to click two points
  • Smart Snap: Mouse automatically snaps to nearby points
  • Edit Properties: Select shapes to modify in right panel
  • Drag Adjust: Drag selected points to change position
  • Grid & Axes: Toggle grid lines and coordinate axes
  • Undo/Redo: Ctrl+Z to undo, Ctrl+Y to redo
  • Smart Erase: Select erase tool - drag to erase, red circle shows erase area

📐 Advanced Shape Interactions

  • Circle: Drag center to move; drag green handle to adjust radius
  • Parallelogram: Drag vertex - opposite vertex moves automatically to maintain shape
  • Line Segments: Drag endpoints to adjust length and position
  • Points: All connected lines move with dragged points
  • Real-time Updates: See changes instantly as you drag
  • Coordinate Origin: Drag green dot to move coordinate system

⌨️ Keyboard Shortcuts

P Point toolL Segment toolO Circle toolV Select toolCtrl+Z UndoCtrl+Y Redo
Properties

Select an object to edit its properties.

Canvas Settings
Labels: Use Properties panel to name points (A, B, C...).
Tip: Drag the green dot to move the origin.
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