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UI Builder - Mockup tool

Sketch UI mockups directly on live websites in Chrome

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What is UI Builder - Mockup tool?

UI Builder is a Chrome extension for quick, sketch-style wireframes directly in your browser. Drag buttons, inputs, headers onto any page or blank canvas. Edit text, resize, screenshot, and share — perfect for fast feedback, live demos, and client calls.

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Recent UI Builder - Mockup tool Launches

UI Builder + Mockup tool Sketch UI mockups directly on live websites in Chrome

Launched on May 6th, 2025

Forum Threads

Aleksandr Heinlaid

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12h ago

UI Builder + Mockup tool - Sketch UI mockups directly on live websites in Chrome

UI Builder is a Chrome extension for quick, sketch-style wireframes directly in your browser. Drag buttons, inputs, headers onto any page or blank canvas. Perfect for fast feedback, live demos, and client calls.

View all