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Flet Preview

Preview Flet apps inside VS Code with web and mobile device-frame modes

The Problem

Building Flet apps usually means constantly switching from your editor to a browser window just to check layout changes. That breaks flow, slows iteration, and makes mobile UI tuning especially awkward.

About

Run Flet apps in a VS Code preview tab, auto-pick a free port, and stay inside your editor while iterating on Python UI work. Free includes a starter set of iPhone and Android frames, while Pro unlocks broader device coverage.

Free vs Pro

FREEVSCode Marketplace

✓One-click web preview for the current Flet Python file
✓2 free iPhone frames to sample compact and large iOS layouts
✓2 free Android frames to sample compact and large Android layouts
✓Auto-picks an open local port when your default is busy

Install Free →

PROEverything in Free +

✦3 more recent iPhone device frames inside VS Code
✦3 more recent Android device frames inside VS Code
✦Broader mobile layout coverage without opening simulators or separate browser windows

Pro License

$9.99/ lifetime

One-time purchase

✓ Lifetime updates included
✓ Activate on up to 3 devices
✓ License key — no account needed
✓ 30-day refund guarantee

Buy Lifetime — $9.99

Secure checkout via Polar.sh