Test Pattern Generator
Generate test patterns for multi-display & projection
Pattern Style
Display Settings
Grid Settings
Labels like 1x1, 2x1 on display areas
Number/letter labels on grid edges
Auto-snapped for complete squares
Visual Settings
Resolution, display count, grid info
Description
Test Pattern Generator is a professional-grade free online tool for creating test patterns for multi-display setups, projection mapping, video walls, and monitor calibration. It accurately calculates edge blending overlap zones, provides circle patterns for geometry correction, and automatically generates perfect square grids. Essential for projection mapping artists, AV technicians, and exhibition designers, it supports custom pattern names, logo insertion, and various color options. All processing happens in your browser with high-resolution PNG export.