Welcome to the world's #1
Online Mockup Tool

Collaborative, Real-Time Mockups

Mock up using hundreds of built in widgets and icons or upload your own content from Sketch, Photoshop or other tools.

Live Video Hangouts, Comments and Chat

Connect designers and developers together in live presentations to communicate your ideas without ever leaving Fluid UI.

Design on Desktop. Test on Mobile.

Preview your mockups as you build them and test your ideas with customers early and often.

Interactive, Collaborative Mockup Design

Create, share and communicate your Mockups with your entire team - no matter where they are in the world.

Used by the very best product design teams in the industry

customer logos

Start now. Get your entire team designing mockups online together in the next 15 minutes

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Or see our training and tutorials.