Tiler

Run multiple Copilot chats side by side. Or any editor layout you need — instantly.
Install
ext install waldek.tiler
Or search "Tiler" in the VS Code Extensions view (Cmd+Shift+X).
Quick Start
Cmd+K 4 → 2×2 grid (perfect for 4 Copilot chats)
Cmd+K 2 → side by side
Cmd+K 1 → back to single pane
That's it. Muscle memory in 30 seconds.
All Layouts
| Shortcut |
Layout |
Use case |
Cmd+K 1 |
Reset |
Back to single pane |
Cmd+K 2 |
1×2 |
Code + preview, or 2 chats |
Cmd+K 4 |
2×2 |
4 parallel Copilot agents |
Cmd+K 6 |
3×2 |
6 panes for complex comparisons |
Cmd+K F |
Focus |
Toggle maximize current pane |
Command Palette only (for when you need something specific):
- 2×1 — Stacked (2 rows)
- 1×3 — Three columns
- 3×1 — Three rows
Note: On Windows/Linux, use Ctrl+K instead of Cmd+K.
Use Cases
Parallel Copilot Chats
The killer feature. Run multiple AI agents simultaneously:
Cmd+K 4 for a 2×2 grid
- Open 4 Copilot chat sessions
- Drag each to a different pane
- Ask different questions in parallel
- Watch your AI army work
Code Reviews
Side-by-side comparison of implementations:
- Original vs. refactored
- Your code vs. reference implementation
- Multiple related files
Multi-file Editing
When you're touching several files at once, Cmd+K 4 keeps them all visible without constant tab switching.
Contributing
git clone https://github.com/waldekmastykarz/vscode-tiler.git
cd vscode-tiler
npm install
npm run compile
Press F5 to launch the Extension Development Host.
PRs welcome.
License
MIT