CharSet Studio
Character ROM Editor
Only for Mac
Free
Mac
Create, edit and export classic 8×8 character ROMs for Commodore 64 emulators, homebrew projects and retro computer development.
CharSet Studio is a native macOS application for creating, editing and exporting classic 8×8 character ROMs.
Whether you’re developing an emulator, building a homebrew project, restoring vintage hardware or experimenting with your own character sets, CharSet Studio provides a fast and intuitive workflow for editing characters and generating source code.
Features
• Create and edit 8×8 character ROMs with an easy-to-use pixel editor
• Open and modify existing binary character ROM files
• Save edited ROMs as standard binary (.bin) files
• Generate Swift source code for emulator and app development
• Generate C source code for embedded and retro computing projects
• Generate Commodore BASIC DATA statements
• Automatically copy generated source code to the clipboard
• Native macOS interface designed for speed and simplicity
Perfect for
• Commodore 64 enthusiasts
• Emulator developers
• Homebrew programmers
• Retro computing projects
• Educational use
Privacy First
CharSet Studio works entirely on your Mac.
No accounts. No subscriptions. No advertising. No analytics. No tracking.
Your character ROMs never leave your computer.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Andrew Hazon, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Andrew Hazon
- Size
- 3.8 MB
- Category
- Utilities
- Compatibility
Requires macOS 13.5 or later.
- Mac
Requires macOS 13.5 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 hazon