ToolsForIcons Latest version: 1.0 (2024-09-18).

This application converts, extracts and designs Windows and macOS icons.

An overview of its features:

• Viewing icons.
• Converting icons from the Windows ICO format to the macOS ICNS format and vice versa.
• Converting images (including SVGs) to Windows or macOS icons.
• Extracting icons (ICOs and ICNSs) and saving them as individual images or icons.
• Extracting icons from application files (DLL, EXE, APP,...).
• Designing or (re)composing icons and adding a background from one or multiple existing images (including SVGs) or emojis.
• The Windows version supports composing 32-bit and 64-bit icon resource DLLs.

Screenshots:
           

The application costs 10 euros. You can download the application for free and test it for 14 days before purchasing.