Responsive Resize is a tool for aiding development and testing of responsive websites. Responsive Resize works like a mini-browser with an adjustable viewport which can be altered to match the dimensions of virtually any mobile, tablet or desktop device. Responsive Resize comes with over 40 preset virtual devices, but you can also add as many new devices as you require.

Features:

• History remembers up to 25 sites
• Status bar gives load times
• Over 40 preset Mobile, Tablet & Desktop devices
• Ability to create as many new devices as you require
• Ability to choose from preset User Agent Strings - or enter any string you require
• Rotate Device
• Ability to quickly adjust the viewport
• Increase or decrease the width by a set value
• Light or Dark application theme
• Fullscreen mode
• Devices panel
• Preferences panel