It's a simple and lite tool to Test Responsive Sites.
It's uses Browser DOM and Javascript.
It can take keyboard input to control the Frames Dimention.
| Keys | What They Does |
|---|---|
| W + Plus(+) | Increases Width |
| W + Minus(-) | Decreases Width |
| H + Plus(+) | Increases Height |
| H + Minus(-) | Decreases Height |