Online C++ Editor
Edit C++ sources and headers with folding and multi-cursor. OpenEdit runs the same editor engine as VS Code directly in your browser tab — open a .cpp file or start from a blank one, and nothing is ever uploaded.
Drop your file here
Supports CPP, CC, CXX, HPP · processed locally
How to use the C++ Editor
- 1Drop a .cpp file in, or click “Start a blank C++ file”.
- 2Edit with full keyboard shortcuts and multi-cursor support.
- 3Use diff view to compare against what you started with.
- 4Export the file back to your device.
Features
- C++ syntax highlighting and bracket matching
- Multi-cursor editing, find and replace
- Side-by-side diff against the original file
- Autosave to local storage and one-click export
- Works offline once the page has loaded