Open your file, go to File > Save As , and select JPEG or JPG from the format dropdown menu.
If you have access to ChemDraw (or ChemSketch), this is the superior method. It ensures the resulting JPG has high resolution and accurately represents the chemical structure. convert cdx to jpg
IrfanView requires that CDX files are supported via Ghostscript or a plugin. If it fails, use Method 4. Open your file, go to File > Save
ChemDraw (Windows/Mac) provides direct export: Open your file
The converter you are using only supports CorelDRAW CDX files, but your file is a ChemDraw CDX file (or vice versa).
: Supports a wide variety of formats and allows for quality adjustments. 3. Open-Source Alternatives