Skip to content
Getting Digital

Design and UX

Prototyping and design tools

A prototype is a question you can hand to someone. Paper sketches, clickable wireframes and near-final simulations each answer a different one, and the craft lies in building no more fidelity than the question needs. This topic covers that loop and the tools that carry it, from Figma and Sketch to Framer and Adobe XD, treating each as part of the landscape, not as a verdict on which to buy.

Why this topic exists: Figma, Sketch, Adobe XD and the prototyping loop from paper to clickable: NN/g's Prototyping topic; Udemy's Design Tools shelf; the third and fifth courses of Google's UX programme.

Every prototype exists to answer a question more cheaply than building the real thing would. Does anyone understand this navigation? Is the new checkout shorter than the old one? Will the sponsor approve this direction? The Interaction Design Foundation sorts prototypes into low, mid and high fidelity, and Nielsen Norman Group files prototyping among its research topics, not under visual design. That placement is the right instinct: a prototype is a test instrument first and a drawing second.

Match the fidelity to the question

FidelityTypical formGood at testingPoor at testing
LowPaper sketches, whiteboard flows, grey-box wireframesStructure, order of steps, whether the idea makes sense at allVisual appeal, fine interaction, familiar interface patterns
MidClickable wireframes with real labels and little stylingNavigation, wording, whether people finish the taskEmotional response to the brand, motion
HighNear-final screens with interaction and real contentDetailed usability, sign-off, developer hand-offBig structural questions, because people react to the polish

The usual error runs one way: too much fidelity too early. A polished screen draws comments about colour when the real question was whether the flow should exist, and the hours invested make the designer reluctant to bin it. Google's UX programme follows the right order, with a course on wireframes and low-fidelity prototypes well ahead of the one on high-fidelity work in Figma, which is the tool the Google UX Design certificate teaches.

Judging the tools

Figma, Sketch, Framer and Adobe XD all combine drawing, reusable components and a prototyping mode, and they differ in platform, collaboration model and how close their output sits to production. None of them is the right answer for everyone; the questions below separate them for a given team.

  • Components and variants: the raw material of a design system, and how easily they update across files.
  • Prototyping depth: simple links between screens, or conditions, variables and motion.
  • Collaboration: live co-editing, comments and version history for non-designers.
  • Hand-off: how developers read spacing, tokens and assets without asking.
  • Kits and templates: starter files and web templates that save setup time, provided their licence covers client work.

Write the question on the file

Put the question a prototype must answer, and the fidelity that answer needs, as the file's first line before you start. When testing has answered it, stop polishing and move on. Paper still belongs in the kit: five minutes of sketching explores more layouts than an hour of dragging rectangles.

Prototyping leads naturally into UX research, where prototypes meet users, and into design systems, where the components become shared infrastructure for a whole product team. Designers who enjoy the interactive end of the work often go further into motion and logic, building prototypes realistic enough that developers treat them as a specification. That is valuable, as long as the team remembers a convincing simulation is still not a tested product.

Next to this topic

Concepts to know

Glossary entries with the reason each one matters here.

Certifications that test it

Vendor exams and free certificates; facts, cost and the preparation path are on each page, and the certifications hub has them all.

Tools of the trade

  • Figma

    The design tool of the decade.

Frequently asked

Which design tool makes a sensible first one to learn?
Whichever one the job advertisements in your market name most often, since hiring teams expect to share files with you. The principles of components, layout and prototyping carry across, so switching later costs weeks rather than starting over. Avoid spending months comparing tools instead of designing.
Is a wireframe the same as a prototype?
Not quite. A wireframe is a static drawing of a screen's structure. It becomes a prototype once it can be used to test something, for example by linking screens so a person can click through a task. Many low-fidelity prototypes are simply connected wireframes.
Can I prototype without design software?
Yes. Paper, sticky notes and a pen are enough for early tests, and a person moving paper screens in response to taps can simulate a flow convincingly. Software becomes worthwhile when you need realistic interaction, remote testing or a file developers can build from.

Courses in the directory

826 courses are filed here; the top 6 by our ranking, details and the provider link on each course page.

Browse the directory shelf

Last reviewed 26 September 2026 · Getting Digital