ResForge is a resource editor for macOS, capable of editing classic resource fork files and related formats. Based on ResKnife by Nicholas Shanks and Uli Kusterer, this derivative of the project has been rewritten for modern macOS systems.

Download the latest version of ResForge from the Releases page.

ResForge is compatible with macOS 10.15 or later and runs natively on both 64-bit Intel and Apple Silicon.

• Hexadecimal editor, powered by HexFiend.
• Template editor, supporting a wide array of field types.
  • User-defined templates, loaded automatically from resource files in ~/Library/Application Support/ResForge/.
  • Template-driven bulk data view, with CSV import/export.
  • Generic binary file editor, via the Open with Template… menu item.
• Image editor, supporting 'PICT', 'PNG ', 'PNGf', 'cicn' & 'ppat' resources, plus view-only support for a variety of icons and other bitmaps.
• Sound editor, supporting sampled 'snd ' resources.
• Dialog editor, supporting 'DITL' resources (by Uli Kusterer)
• Menu editor, supporting 'MENU', 'CMNU' & 'cmnu' resources (by Uli Kusterer)
• Tools for EV Nova, including a sprite (rlëD) editor, a ship animation (shän) editor and a galaxy editor.

• Macintosh resource format, in either resource fork or data fork.
• Rez format, used by EV Nova.
• Extended resource format, defined by Graphite.
• MacBinary encoded resource fork.
• AppleSingle/AppleDouble encoded resource fork.

To build ResForge yourself you will need to have Xcode 15 or later installed.

Make sure to use the --recurse-submodules option when cloning the repository, or use git submodule update --init to initialise an existing copy.

• HexFiend - Powers the hexadecimal editor.
• CSV.swift - Provides reading/writing of CSV files.
• swift-parsing - Provides parsing of custom DSLs.

• resource_dasm - CLI tools for disassembling resource files.

Distributed under the MIT License. See LICENSE for more information.