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All-in-one prototyping tool for web and mobile apps

From wireframes to highly interactive prototypes

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Justinmind prototyping and wireframing tool for web and mobile apps

Easily design fully-interactive prototypes

Design from scratch. From clickable wireframes to completely interactive prototypes. We provide a full range of web interactions and mobile gestures, so that you can focus on creating delightful user experiences.
Visual design
You can design the style, size and layout distribution of any UI element to fit the look and feel of your screens.
Web interactions
Design web experiences with a full range of interactions, animations and transitions. Create anything from simple links to advanced interactions.
Mobile gestures
Choose from a ton of gestures that allow you to rotate, tap, swipe, scroll and pinch your way through your mobile app prototype.

Responsive prototyping

Create wireframes for websites and web apps that adapt to multiple screen resolutions for desktop and mobile. The UI elements in your screens will also adapt automatically. One free prototyping tool to rule all devices!
Liquid layouts
Define liquid containers to allow elements on a page adapt to different screen sizes, orientations, or aspect ratios.
Auto-resize UI components
Auto-resize automatically resizes groups of elements on your pages, saving you from multiple changes and letting you focus on creating.
Advanced pinning
Fix the position of objects in containers or screens. Combine the power of pinning with an offset to create responsive experiences.
Forms and data in motion
Prototype smart forms and data lists, and test them instantly without writing a single line of code. You can also design conditional navigation flows for advanced user journeys.
Prototyping form interaction
Define interactions and validations for form fields: input, drop-downs, radio buttons ...
Data lists and grids
Design data visualization. Data lists can be dynamic and use data to help user testing.
Bring your prototypes to life in a click
Visualize your web and mobile prototypes, while you design them. Test your designs with users.
Instant preview
Simulate prototype behavior while you design. Save time on your creations!
View on device
Use our viewer to test your prototype live on any iPhone, iPad or Android device.
Export to HTML
Export your prototype to a fully functional and interactive HTML.
Free UI kits for web and mobile
Speed up your design process with ready-made and frequently updated UI kits. You can also create your own UI kits with personalized components
Websites and web apps
Use UI kits for wireframing and prototyping with interactive components
Mobile apps
Find iOS and Android components pre-installed in the Justinmind free prototyping tool.
Diagramming, Sketching and more
You’ll also find UI kits for flowcharts, sketching, Salesforce, Oracle and many more.
Interactive prototypes help us learn quickly and iterate, so that we can create great products"
Meagan Timney
Senior Product Designer
INKLING
Efficiently showing our requirements has led to highly functional, well-designed products that our clients love"
Kacie Conroy
Senior Business Analyst
YAHARA SOFTWARE
With the ability to create prototypes across different screen sizes and devices, we are able to validate hypotheses prior to creative design and build"
Chris Murray
Director User Experience
DIGITAS HEALTH LIFEBRANDS

Design Systems

Keep consistency in your Style Guides, UI component libraries, interactions, templates and other deliverables. Share your assets with design teams, business analysts and developers.
Create your own UI Kits
Easily refine and reuse the built-in libraries or create your own. Personalize them with your own style and interactions.
Share and sync UI components
Centralized management for your UI kits. Maintain your UI elements and style guides synchronized across all your teams.
Reuse via templates and masters
Templates and masters allow you to share and reuse content (headers, footers and more) across all the screens of a prototype.

A free prototyping tool to rule all screens

It's easy to get started and it's Free!

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Collaborate on your prototypes

Validate early and often. Allow all your stakeholders to test and review your prototype, leaving no room for misunderstandings. Improve communication between teams, putting them all on the same page.
Share and get feedback
A single click lets you publish your prototypes and invite all project stakeholders to give feedback early on.
Team prototyping
Multiple users can work on or edit the same prototype simultaneously. Our version control system tracks the changes.

Design handoff for developers

Say goodbye to time-costly communication breakdowns. With our developer-friendly viewer, design-development collaboration is stress-free. Developers can inspect prototypes and get assets. Keeping developers in the loop means your designs get built pixel perfect.

Specifications

Instantly export your project to clear specifications documents, along with the visuals needed for easy interpretation. All the information in your prototypes can be exported to customizable documents. You can even create customized document templates.
Export documentation
With a single click, generate specifications documents from your prototypes.
Manage requirements
Add and manage text requirements within the UI prototype and integrate the requirements in your preferred Agile tool.
Customize deliverables
Create your own specifications document templates or use our API to generate the assets you need.

We love your agile and design tools

By combining Justinmind’s prototyping strength and your current design, agile and user testing tools, you’ll be able to rapidly build engaging prototypes for real users to test drive. Bring your designs to life right now!
Sketch
Import your designs from Sketch into Justinmind and add interactions, effects and transitions
Adobe Suite
Edit images in Illustrator or Photoshop and see those edits reflected instantly in your interactive prototypes
Atlassian JIRA
Justinmind’s powerful JIRA integration means you can streamline information and break down silos
Microsoft TFS
Import and export work items from Microsoft TFS to Justinmind
User Testing
Record user's reactions as they test the prototype
Hotjar
Know how real users interact with prototypes
View all integrations

Success stories

Find out why thousands of users love to use Justinmind to create web and mobile app prototypes and wireframes.
Temple University inspires the next generation of designers with Justinmind Philadelphia’s Temple University bridges the gap between design and business with a little help from Justinmind
How middle schoolers are designing mobile apps with Justinmind What happens when middle schoolers build prototypes with Justinmind? A whole heap of innovation
How TokBox solved rework problems with Justinmind TokBox's web and mobile app prototyping better since Interaction Designer Charles Diggs found the right prototyping tool

Validate early, prototype better, communicate faster

Try the most powerful prototyping tool!

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