Prototyping tool for web and mobile. Interactive prototypes, user testing, and handoff to dev.
What is Proto.io?
Prototyping tool for web and mobile. Interactive prototypes, user testing, and handoff to dev. See it in our Design Tools collection.
Key benefits
- Proto.io helps you design or prototype interfaces faster than starting from scratch.
- Proto.io supports modern product design workflows, from early exploration through handoff.
- Teams can use Proto.io alongside tools like Figma, Webflow, or Framer for a more complete design stack.
Use cases
- Using Proto.io during early sketching and wireframing for a new product or feature.
- Relying on Proto.io to maintain design systems, component libraries, or tokens.
- Pairing Proto.io with your dev stack so handoff to engineering is smoother.
About Proto.io
Prototyping tool for web and mobile. Interactive prototypes, user testing, and handoff to dev.
Proto.io appears in The Stash under the design tools category so you can quickly understand what it does, when to use it, and where it fits into your workflow.
Sources & further reading
- prototyping
- ui
- mobile
- testing
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