Responsively App
Preview a website at several screen sizes together and inspect responsive layout problems.
What’s included for free?
Free desktop browser with synchronised previews, custom device profiles and screenshots. Runs on Windows, macOS and Linux; simulated viewports do not replace testing on real devices.
Where it runs: Local install
Provider information ↗Checked 2026-10-09
Before you use it
AGPL-3.0 software; observe source-sharing obligations when distributing modifications or offering modified network services.
Provider terms can change. Check current pricing and usage rights before starting a project.