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About DBC File Editor Online
The DBC File Editor Online is a powerful, free web-based tool designed for automotive engineers, embedded systems developers, and hobbyists working with CAN (Controller Area Network) bus systems. It allows you to parse, view, edit, and create Vector DBC files directly in your browser without installing heavy software.
Key Features
- Instant Parsing: Upload any standard .dbc file and instantly view its structure.
- Visual Bit Mapping: Our unique 8x8 bit grid visualizer helps you see exactly how signals are packed into CAN frames, making it easy to spot overlaps or unused bits.
- Full Editing Suite: Modify message IDs, names, DLCs, and signal properties (start bit, length, factor, offset, units) with a user-friendly interface.
- Privacy First: All processing happens 100% on your device using client-side JavaScript. Your proprietary CAN database files never leave your computer.
- Export Options: Save your work back to .dbc format or export to JSON for use in web applications and dashboards.
How to Use
- Click the Import DBC button or drag and drop your file into the editor.
- Select a Message from the sidebar to view its details.
- Use the Signals table to edit existing signals or add new ones. Watch the Bit Visualization update in real-time!
- When finished, click Export DBC to save your changes.
Frequently Asked Questions (FAQ)
A DBC file is a text-based database file used to describe the data payload of CAN bus messages. It maps raw binary data to human-readable physical values (like RPM, Speed, Temperature) using scaling factors and offsets.
Yes, this tool is completely free to use for both personal and commercial projects.
Currently, the tool supports standard signals. Multiplexed signal support is planned for future updates.
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