Punch Card Generator

Professional Punch Card Generator

Transform your images into precise knitting machine punch cards with advanced dithering and professional export options

Configuration Settings

Select Image File

Supported formats: JPG, PNG, GIF, WebP

Pattern Height (Rows) 24 rows (Compact) 48 rows (Medium) 60 rows (Standard) 72 rows (Large) 120 rows (Extra Large) 180 rows (Maximum)

Higher values = more detail

Image Processing Method Simple Threshold Floyd–Steinberg Dithering

Dithering provides better gradients

Stitch Size (mm)

Controls print scale (4.5mm standard)

A4 Tile Layout (Cols × Rows)

×

Multiple patterns per A4 sheet

Threshold Sensitivity

Adjust black/white sensitivity

Pattern Preview

Upload an image and click "Generate Punch Card" to see the pattern preview

Pattern Information:

Export Options

Brother Knitting Machine Specifications

Width: 24 stitches (fixed)

Height: Variable rows (24-180)

Standard Gauge: 4.5mm per stitch

Best Results: High contrast images

Formats: PNG, PDF, TXT, PCD

Print Ready: Scaled for A4 paper