Smart Slice - 9-Grid Photo Slicer & AI OpenCV Object Extractor

WoollyPix Smart Slice supports standard 9-grid image splitting for social feeds (WeChat, Instagram, Xiaohongshu), custom guides dragging, and embedded local OpenCV.js computer vision to auto-detect and crop multiple separate objects in batch.

Core Image Slicing Features

• Equally-proportional Grid Slicing: Cut images into 2x2, 3x3, or custom grids for social media feeds.
• Smart Dynamic Slicing: Drag red horizontal/vertical guidelines for precise asymmetric comic/infographic cuts.
• AI Smart Object Detection: Powered by local OpenCV.js to auto-detect contours of items/stickers for batch crop.
• Lossless Archive Export: Set export format to PNG (lossless) or adjust JPG quality. Download all in a ZIP file.

Slicing FAQ

Why do slicing and detection run locally?

For ultimate privacy. Slicing calculations happen in browser memory, requiring zero server uploads.

Will my cropped images lose resolution?

No. You can export crops lossless as PNG, or choose high-quality JPEG output (default 95% quality).