IMG2VDC

JUNKSOFT IMG2VDC

Turn your images into Commodore 128 VDC graphics.

JUNKSOFT IMG2VDC is a dedicated image converter for Commodore 128 VDC graphics, designed for developers, retro-computing enthusiasts and anyone creating new software for the C128.

Load a modern PNG or JPG image, preview the result in an authentic VDC-style display, adjust the conversion settings, and export graphics ready for use in your C128 projects.

Features

VDC 640×200 Color Bitmap

• 640×200 VDC color bitmap conversion
• 16-color VDC RGBI palette
• Configurable color-cell sizes
• 8×2, 8×4 and 8×8 color cells
• Optional ordered dithering

VDC 640×200 Monochrome

• Convert images to 640×200 monochrome VDC bitmap graphics

VDC 80×25 Custom Charset

• Generate custom 8×8 character graphics
• Per-character foreground colors
• Automatic duplicate glyph elimination
• Screen data and character data export

Image Processing

Choose how your source image is fitted to the target resolution:

• Crop
• Stretch
• Letterbox

The converter also includes optional ordered dithering to improve the appearance of images when working within the limitations of the VDC color system.

Live Preview

IMG2VDC provides a live preview so you can see how your image will look before exporting it.

The preview is designed around the actual limitations and characteristics of Commodore 128 VDC graphics rather than treating the conversion as a generic modern image resize.

Export

IMG2VDC can export ready-to-use C128 VDC graphics data, including:

• PRG output
• Raw bitmap data
• VDC color/attribute data
• Custom character data
• Screen data
• Preview images
• Conversion metadata
• CBM PRG Studio assembly include data

ZIP export is also available for convenient project packaging.

Convenience Features

• PNG and JPG image input
• Clipboard image paste with Ctrl+V on supported systems
• Image-path startup support
• English and German interface
• JUNKSOFT branding and documentation included

Commodore 128 VDC

IMG2VDC is specifically made for the Commodore 128 VDC, including the standard high-resolution 640×200 VDC graphics format.

The included example package demonstrates a complete VDC title image and a ready-made loader workflow.

Included

The download package contains:

• IMG2VDC converter
• Documentation
• Basic-Loader

Requirements

Windows PC 

Commodore 128 Development

Whether you are creating a game, demo, intro, utility or graphics experiment for the C128, IMG2VDC is intended to make the image-to-VDC workflow faster and easier.

Create your artwork on a modern computer.
Convert it to VDC graphics.
Put it on your C128.

JUNKSOFT

IMG2VDC v2.2

Copyright © 2026 JUNKSOFT