Free wireframing tool for web and mobile

Unlimited wireframes and users. Free forever

Free wireframing tool for web and mobile apps
wireframing tool to design website apps

Interactive 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.

Create 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.

Powering wireframing at 20,000+ companies worldwide

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Web and mobile emulators

Design your wireframe with the certainty that you’ll be able to see it in action from the start with our device emulators: with a single click of a button, you can experience your wireframe design with an iPhone or Samsung shell. Enjoy the freedom to mimic mobile gestures such as swiping, or test your wireframe against several different devices.

drag and drop wireframe design software

A drag & drop wireframe design software

Find an efficient wireframe software 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.

Styles and fonts for wireframe design

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.

wireframing tool integration with design tools

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.

Try all features 15 days

After the trial we’ll switch you to our free forever edition

Unlimited prototypes, pages and users
Build as many prototypes, pages and screens as you wish, with no limits, no code, and no cost involved.
Web and mobile app wireframing
Frequently updated, the UI elements are all in web font to edit color, size and shadow, and fit your design guidelines and brand image.
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, transitions and animations
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. Forms and data-lists prototyping
Reproduce the end-to-end flows of business rules and conditions to validate the specific requirements of your prototype.