v.177
Device Swap Preview
You're on: 🖥 desktop
→
Preview as: 📱 mobile
Your device
🖥 Desktop
Preview mode
📱 Mobile
Tool
v.177 / JaySoft
Open on mobile to preview desktop sites, or on desktop to preview mobile sites.
What is Device Swap Preview?
A free developer tool that displays any website in a swapped device viewport. Test how your site looks on mobile vs desktop — without installing simulators or browser extensions.
- Swap device viewports instantly from any browser
- Works on both mobile and desktop devices
- Supports iPhone, Android, HD, Full HD resolutions
- No install required — 100% browser-based
- Free for personal and commercial use
v.177 — part of JaySoft Dev Tools suite (v.177.jaysoft.dev)