Important notes:
GraphicConverter 12 is a paid upgrade for all customers of version 1.x-11.x. You can order the upgrade at the order page.
Customers who bought the app from the Mac App Store have to download and install any updates from within the Mac App Store. Updates maybe delayed in the Mac App Store due the Apple review process.
GraphicConverter 12

- version 12.4.2
- Universal Binary for Intel and Apple Silicon Macs
- metadata juggler, vector objects, drag and drop converter, automatic free mask and much more
- requires High Sierra (macOS 10.13) up to Tahoe (macOS 26.x)
- new features of each macOS are supported
- approx. 260 MB
- multilingual (Brazilian Portuguese, Chinese (simplified), Chinese (traditional), Czech, Danish, Dutch, English, French, German, Italian, Japanese, Russian, Spanish, Swedish
Download now (from Lemke Software server)
Download now (from MacVF.com)
Checksum: SHA256 cac80c3ab68818bd54b0fde44465e7714cdc465b5673725f1bfac8126da231ea
GraphicConverter First Aid

This is a little tool to trash the preferences.
Download now (requires macOS 10.13 (High Sierra) up to macOS 15 (Sequoia))
Download now (requires macOS 10.9 (Mavericks) up to macOS 10.12 (Sierra))