Annotate a UI design for engineers
Generate clear annotations for a screen — interactions, data rules, and behavior on tap, hover and load — so engineers do not have to guess your intent.
A pixel-perfect mockup still leaves the most important questions unanswered: what does this button submit, where does this link go, what validates this field, what shows while data loads. Annotations are how a designer answers those questions in writing.
Describe the screen and this tool drafts those annotations — interaction notes, data and validation rules, and state behavior — in a structure engineering can read top to bottom. You correct the specifics; it handles the completeness.
The tool for this
📐Design Handoff Spec
Turn a screen description into a developer-ready handoff spec — spacing, type, states, a11y.
Frequently asked questions
What makes a good UI annotation? +
It states the behavior, not just the look: what an element does, what data it shows, and how it validates or errors. The tool drafts annotations in exactly that form.
Does it include validation rules? +
Yes. For inputs it proposes validation and error messaging so engineers do not invent their own rules.
Can I paste it into Figma or a ticket? +
Yes. The output is plain structured text you can drop into design notes, a Jira ticket, or a README.
Related tools
✏️UX Microcopy Pack
Buttons, empty states, errors, tooltips — multiple on-tone variants per slot.
📐Design Handoff Spec
Turn a screen description into a developer-ready handoff spec — spacing, type, states, a11y.
♿Accessibility (WCAG) Check
Heuristic WCAG 2.2 review — likely issues, the success criterion, impact and fixes.
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