
Test Signal Generator
Broadcast test pattern
0 ratings
Free
In-App Purchases
About
Test Signal Generator helps you validate displays, projectors, LED walls, streaming workflows and production systems using professional broadcast-style test signals.
Generate industry-standard test patterns directly from your iPhone, iPad or Mac and send them to external displays via HDMI or connected video hardware.
Features include:
• Color Bars
• Greyscale
• Full-screen color fields
• Zone Plate
• Gradient Banding Test
• Motion Test Patterns
• Moving Pixel Test
• Timecode Overlay
• Clock Overlay
• Audio Reference Signals
• Geometry Guides
• Safe Area Guides
• Frame Boundary Guides
• Social Media Framing Guides (9:16, 4:5, 1:1)
Use Signal Generator to:
• Align projectors
• Verify LED wall processors
• Detect scaling issues
• Check overscan and cropping
• Validate signal chains
• Test audio/video synchronization
• Troubleshoot streaming workflows
• Prepare live productions
Pro features unlock additional test patterns, advanced guides, audio references, custom branding.
Designed for broadcasters, AV professionals, event technicians, streamers and content creators.
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What's New in Test Signal Generator
1.0
July 8, 2026
1
In-App Purchases
$4.99
Signal Generator Pro
Unlock test patterns, guides, audio, timecode


