🌌 Freeware | Standalone Version

AstroImage Denoise Tool Free Edition is a standalone AI-powered noise reduction application designed specifically for astrophotography workflows. Unlike many traditional noise reduction tools, AIDT focuses on reducing background noise while preserving faint structures, nebular details, galaxy features, and natural image appearance. The Free Edition uses the dedicated monochrome AI model from the AstroImage Tools Suite and is intended for monochrome imaging as well as advanced workflows involving individual RGB or narrowband channels.

Features

• AI-powered monochrome noise reduction
• Automatic noise estimation ("Calculate")
• Adjustable denoise strength
• FITS, TIFF, PNG and JPG support
• GPU acceleration through ONNX Runtime (when available)
• Real-time preview with zoom and pan controls
• Support for unusual image dimensions and cropped images
• Standalone application – no installation required