Free Wireframing tool for
Web and Mobile

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Justinmind prototyping and wireframing tool for web and mobile apps
Justinmind wireframing tool for mobile and web apps
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Unlimited hi-fi wireframes that you can preview and test

Give free rein to your creativity! With Justinmind you can build as many app wireframes and prototypes as you wish, with no limits.

Preview and test your prototypes and validate the complete experience in any browser, or as if viewed on a real device. You'll see how your real app or website will look in seconds, without coding.

UI prototype for tablet
UI prototype for mobile app
UI prototype for tablet
UI prototype for mobile app

UI Kits to create interactive wireframes for iOS, Android and Web

Speed up your design process with ready-made and frequently updated UI libraries to wireframe web and mobile apps.

You can use all the interactive UI elements for web and mobile that are pre-loaded in Justinmind. Through easy drag & drop you can add them to the work area and create real and clickable prototypes in minutes, learning to appreciate the immediacy of Justinmind.

Pre-installed UI libraries for prototyping

Clickable Images in your web and mobile mockups

Prototypes made with Justinmind are more than just bare page changing: you will have a first version of your website or mobile app to show your users or clients.

Add images to your wireframes and quickly create clickable regions with the hotspot tool.
Wireframe many pages of a website or an app and build links between them, simply dragging the component to the screen you want to link to.

Clickable images and link interactions in wireframes

A drag & drop wireframe design environment

Find an efficient wireframe design environment in Justinmind!
All images inserted into your wireframe can be modified to fit the dimensions and style of your design.
Use guides, rulers, and the grid tool to place and align elements on the canvas.

You can also customize all your UI elements, by adjusting the edges of your borders, from sharp to completely round edges.

Advanced wireframe design environment

Styles and Fonts

All new projects start with a default template and Justinmind UI elements are contained within it.

You can change the default style, position, size, background, and layout distribution of any UI element to fit the look and feel of your screens.
A font type drop-down contains the list of fonts available on your system and an option to add more from Google fonts directory.

Styles and fonts for your wireframes

Integration with design tools

Linking images and SVG files can be especially helpful when working simultaneously with Photoshop, Illustrator or Sketch. All images embedded in your wireframe will be automatically updated whenever files are modified.

Furthermore, with Justinmind you can import, embed or link any SVG and other Vector files. You can also change their color, and scale them without losing quality.

Integration with design tools

Start with a 30-day free pro trial.

After the trial, we'll switch you to our free forever edition
Free Professional Pro
Unlimited Prototypes and Pages
Build as many prototypes, pages and screens as you wish, with no limits, no code, and no cost involved.
Interactive Widgets for Web, iPhone, Android, and iPad
Frequently updated, the UI elements are all in web font to edit color, size and shadow, and fit your design guidelines and brand image.
Basic interaction: Link
Build links between screens of your prototypes and wireframes, or external links. You can easily do it by drag & drop.
Clickable images
Create interactive wireframes from image files and screenshots in no time, using hotspots and transparent input elements.
Advanced Web Interactions and Mobile Gestures
Choose from a full set of gestures and super-smooth transitions that will make your prototype feel as realistic as possible.
Effects and Transitions
Improve UX in interaction design by building beautiful animations through a wide variety of events, and define how your items will react by using a vast selection of effects.
Export to: interactive HTML, Documents and Images
Create and share content that you can use and reuse on any screen or design with templates, and apply your changes globally across your prototype with Masters.
Cloud Collaboration
A single click lets you publish your entire prototyping experience online and invite users and customers to share ideas and participate in the creative process.
Conditional Navigation and Business Logic
Reproduce the end-to-end flows of business rules and conditions to validate the specific requirements of your prototype.
Trusted by some of the world's smartest companies
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"Our potential users get to see and interact with the ideas that they've conveyed to us and it helps us to communicate our vision for the software to an increasingly visually-oriented audience."
Marc Adler
VP of Application Development, IT Solutions Consulting, Inc
"Justinmind is far and away the best wireframe / prototyping tool in the market today. It has helped us at Oracle drive product development to convey concepts for building next generation software applications."
Sean Frogner
Director Product Management, Oracle
"I found the support guys incredibly helpful and friendly, they always did their best to find a solution to all the problems and questions we threw at them."
Ailsa Berkeley
Web Design Team Lead, Globoforce