{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"tool_sketch2app","slug":"sketch2app","name":"Sketch2App","type":"product","url":"https://www.sketch2app.io","page_url":"https://unfragile.ai/sketch2app","categories":["app-builders"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"tool_sketch2app__cap_0","uri":"capability://image.visual.hand.drawn.sketch.to.interactive.prototype.conversion","name":"hand-drawn sketch to interactive prototype conversion","description":"Converts hand-drawn wireframes (paper or tablet sketches) into clickable HTML/CSS prototypes by combining computer vision for element detection with automatic interaction flow inference. Uses OCR and shape recognition to identify UI components (buttons, text fields, navigation elements) and their spatial relationships, then generates a functional prototype with basic interactivity without manual recreation.","intents":["I want to photograph my paper sketch and instantly get a clickable prototype to test interaction flows","I need to validate wireframe concepts quickly without spending hours recreating them in Figma or Adobe XD","I want to skip the tedious manual recreation step between sketching and prototyping"],"best_for":["solo designers and indie product teams prototyping rapidly","students and educators teaching UX/UI design with quick iteration cycles","non-technical founders validating product concepts before formal design work"],"limitations":["OCR-based approach struggles with overlapping elements, requiring manual cleanup for complex layouts","Handwriting recognition varies significantly with pen pressure, ink consistency, and sketch clarity — messy sketches produce unreliable output","No support for complex interactions beyond basic navigation flows (no conditional logic, animations, or state management)","Generated prototypes are basic HTML/CSS without responsive design or mobile optimization"],"requires":["hand-drawn sketch (paper or digital tablet input)","camera or scanner to capture sketch image at minimum 300 DPI for reliable OCR","modern web browser for prototype preview and interaction testing"],"input_types":["image (JPG, PNG from camera or scanner)","tablet sketch (Apple Pencil, Stylus input)"],"output_types":["interactive HTML prototype","clickable wireframe with basic navigation"],"categories":["image-visual","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_1","uri":"capability://image.visual.automatic.ui.element.detection.and.classification","name":"automatic ui element detection and classification","description":"Identifies and classifies hand-drawn UI components (buttons, text fields, checkboxes, navigation bars, images) using computer vision and machine learning models trained on sketch patterns. Analyzes shape, size, position, and contextual cues to determine component type and semantic role within the layout, enabling automatic code generation for each identified element.","intents":["I want the tool to automatically recognize that this rectangle is a button and this oval is a text input field","I need the system to understand the hierarchy and purpose of elements without me labeling them","I want detected elements to be correctly classified so they generate appropriate HTML semantics"],"best_for":["designers with clear, legible sketch styles","teams using consistent sketching conventions and component patterns","rapid prototyping workflows where 80% accuracy is acceptable"],"limitations":["Classification accuracy degrades significantly with overlapping elements or ambiguous shapes","Struggles with custom or non-standard UI patterns not in training data","Cannot distinguish between decorative elements and functional UI components","No confidence scoring or uncertainty flagging — misclassifications are silent, requiring manual review"],"requires":["clear sketch image with distinct element boundaries","reasonable contrast between sketch lines and background","elements drawn with consistent line weight and style"],"input_types":["image (sketch with visible UI components)"],"output_types":["structured component list with type, position, and properties","HTML element definitions with semantic tags"],"categories":["image-visual","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_2","uri":"capability://planning.reasoning.sketch.based.interaction.flow.inference","name":"sketch-based interaction flow inference","description":"Automatically infers navigation and interaction flows from spatial relationships and element positioning in sketches, creating clickable connections between screens without explicit user annotation. Analyzes button placement, proximity to navigation elements, and layout patterns to generate reasonable default interactions (e.g., button clicks navigate to next screen, form submissions trigger confirmation screens).","intents":["I want the prototype to automatically link buttons to the screens they should navigate to based on my sketch layout","I need basic interaction flows (tap button → go to next screen) without manually defining every interaction","I want to test user flows through multiple sketched screens as a connected prototype"],"best_for":["designers sketching linear user flows with clear navigation patterns","rapid validation of information architecture and screen sequences","projects with standard navigation patterns (bottom tabs, hamburger menus, back buttons)"],"limitations":["Cannot infer complex conditional logic or state-dependent flows","Assumes standard navigation patterns — fails with custom interaction models","No support for animations, transitions, or timing-based interactions","Requires sketches to be organized in a logical sequence; random sketch order produces incorrect flow inference","Cannot handle multi-step forms or workflows with validation logic"],"requires":["multiple sketched screens organized in logical sequence","clear button and navigation element placement","consistent sketch style across all screens"],"input_types":["multiple sketch images in sequence"],"output_types":["interaction map (screen connections)","clickable prototype with navigation links","flow diagram showing inferred user paths"],"categories":["planning-reasoning","image-visual"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_3","uri":"capability://image.visual.sketch.image.preprocessing.and.normalization","name":"sketch image preprocessing and normalization","description":"Applies computer vision preprocessing to raw sketch images to improve OCR and element detection accuracy, including contrast enhancement, skew correction, noise reduction, and line thickening. Normalizes variations in pen pressure, ink consistency, and image quality to create a standardized input for downstream ML models, compensating for the inherent variability of hand-drawn input.","intents":["I want the tool to handle my messy, low-contrast sketch photo and still extract elements accurately","I need the system to correct for camera angle and perspective distortion in my sketch photo","I want preprocessing to work with sketches drawn with different pen types and pressure levels"],"best_for":["designers using mobile cameras to capture sketches (not professional scanners)","rapid sketching workflows where input quality varies","tablet sketches with variable pen pressure or stylus types"],"limitations":["Preprocessing cannot recover information from extremely low-contrast or blurry images","Aggressive noise reduction can erase fine details or thin lines","Perspective correction assumes roughly planar sketch surfaces; curved or heavily angled photos may produce artifacts","Preprocessing adds 500ms-2s latency per image depending on resolution and complexity"],"requires":["sketch image with minimum 300 DPI or 1024x768 resolution","reasonably legible sketch (not completely illegible handwriting or faint lines)"],"input_types":["image (JPG, PNG, potentially low-quality mobile camera photos)"],"output_types":["normalized sketch image (enhanced contrast, corrected perspective)","quality assessment metadata"],"categories":["image-visual","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_4","uri":"capability://code.generation.editing.basic.html.css.prototype.generation","name":"basic html/css prototype generation","description":"Generates functional HTML and CSS code from detected UI elements and inferred layouts, creating a responsive prototype that can be previewed in a web browser. Maps detected components to semantic HTML elements (buttons, inputs, divs) and generates CSS for positioning, sizing, and basic styling based on sketch appearance (colors, text styles, spacing inferred from sketch).","intents":["I want my sketch automatically converted to actual HTML code I can view in a browser","I need a prototype I can share with stakeholders or test on mobile devices","I want to export the generated code to customize it further in my own editor"],"best_for":["designers who want quick browser-based prototypes without learning HTML/CSS","teams needing shareable, interactive prototypes from sketches","projects where generated code will be further customized by developers"],"limitations":["Generated CSS is basic and often requires manual refinement for production quality","No support for responsive design or mobile-first approaches — layouts are fixed-width","Limited styling options — cannot infer complex color schemes, gradients, or advanced CSS from sketches","No JavaScript generation — interactions are limited to basic navigation, no dynamic behavior","Exported code lacks comments, semantic structure, or best practices — difficult to maintain or extend","No integration with CSS frameworks (Bootstrap, Tailwind) — generates vanilla CSS only"],"requires":["modern web browser (Chrome, Firefox, Safari, Edge)","internet connection for prototype preview (or local export for offline use)"],"input_types":["detected UI elements with positions and properties"],"output_types":["HTML file","CSS file","interactive prototype (browser-viewable)","exportable code archive"],"categories":["code-generation-editing","image-visual"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_5","uri":"capability://image.visual.text.extraction.and.ocr.from.sketches","name":"text extraction and ocr from sketches","description":"Extracts handwritten and printed text from sketch images using optical character recognition (OCR), converting hand-drawn labels, button text, and form field placeholders into machine-readable text. Handles variable handwriting styles, sketch-specific text characteristics (often larger, less uniform than printed text), and contextual text placement to populate generated prototypes with actual content.","intents":["I want the tool to read the button labels and field names I wrote on my sketch","I need extracted text to populate the generated prototype so it looks like my original sketch","I want to avoid manually retyping all the text from my sketch into the prototype"],"best_for":["sketches with legible, reasonably-sized handwriting","designs with clear text labels and minimal text overlap","rapid prototyping where approximate text extraction is acceptable"],"limitations":["OCR accuracy varies significantly with handwriting legibility — poor handwriting produces garbled text requiring manual correction","Struggles with overlapping text, text at angles, or text integrated with drawings","Cannot distinguish between labels and decorative text","Supports only Latin characters reliably; non-Latin scripts (CJK, Arabic, etc.) have lower accuracy","No context awareness — cannot correct obvious OCR errors (e.g., 'l' vs '1', 'O' vs '0')","Requires minimum text size (~12pt equivalent) for reliable extraction"],"requires":["sketch with legible text at reasonable size","clear contrast between text and background","text oriented horizontally (not rotated or vertical)"],"input_types":["sketch image with handwritten or printed text"],"output_types":["extracted text strings","text with position/bounding box metadata","populated prototype with extracted text"],"categories":["image-visual","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_6","uri":"capability://automation.workflow.prototype.preview.and.browser.based.interaction.testing","name":"prototype preview and browser-based interaction testing","description":"Provides a web-based preview environment where generated prototypes can be viewed, interacted with, and tested in real-time without export or additional tools. Enables clicking through navigation flows, testing form inputs, and validating interaction logic directly in the browser, with responsive preview modes for different screen sizes.","intents":["I want to click through my prototype in a browser to test if the interaction flows work as intended","I need to share a clickable prototype link with stakeholders for feedback without exporting files","I want to test my prototype on mobile devices to see how it looks and feels"],"best_for":["designers validating interaction flows and user paths","teams gathering stakeholder feedback on prototypes","remote collaboration where sharing a link is easier than file exchange"],"limitations":["Preview is limited to basic navigation and form interactions — no complex state management or conditional logic","No animation or transition previews — interactions are instant","Mobile preview is responsive layout only; does not simulate actual mobile performance or touch interactions","Shared prototype links have no access controls or expiration — anyone with the link can view","No analytics or user testing data collection — cannot track how users interact with the prototype"],"requires":["modern web browser with JavaScript enabled","internet connection to access preview server","generated prototype (HTML/CSS output)"],"input_types":["generated HTML/CSS prototype"],"output_types":["shareable prototype URL","interactive browser preview","responsive layout preview"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"tool_sketch2app__cap_7","uri":"capability://code.generation.editing.prototype.export.and.code.customization","name":"prototype export and code customization","description":"Exports generated prototypes as downloadable HTML/CSS files that can be imported into code editors, version control systems, or development environments for further customization and refinement. Provides clean, readable code structure with comments and semantic HTML to enable developers to extend functionality, integrate with backends, or apply design system standards.","intents":["I want to download the generated code and customize it in my own code editor","I need to integrate the prototype with a backend API or database","I want to apply my company's design system and component library to the generated prototype"],"best_for":["design-to-development handoff workflows","teams where developers will extend and customize generated code","projects requiring integration with existing codebases or design systems"],"limitations":["Exported code lacks comments and documentation — requires developer interpretation","No built-in support for popular frameworks (React, Vue, Angular) — exports vanilla HTML/CSS only","No integration with design system tools (Storybook, Zeroheight) — design tokens and component definitions are not exported","Code structure is optimized for generation, not maintainability — refactoring may be required for production use","No version control integration — exported code is a snapshot, not connected to the original sketch"],"requires":["code editor or IDE (VS Code, Sublime, etc.)","basic HTML/CSS knowledge to customize exported code","optional: Node.js and npm for build tools or framework integration"],"input_types":["generated prototype"],"output_types":["HTML file","CSS file","ZIP archive with project structure","optional: framework-specific code (React, Vue, etc.)"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":39,"verified":false,"data_access_risk":"high","permissions":["hand-drawn sketch (paper or digital tablet input)","camera or scanner to capture sketch image at minimum 300 DPI for reliable OCR","modern web browser for prototype preview and interaction testing","clear sketch image with distinct element boundaries","reasonable contrast between sketch lines and background","elements drawn with consistent line weight and style","multiple sketched screens organized in logical sequence","clear button and navigation element placement","consistent sketch style across all screens","sketch image with minimum 300 DPI or 1024x768 resolution"],"failure_modes":["OCR-based approach struggles with overlapping elements, requiring manual cleanup for complex layouts","Handwriting recognition varies significantly with pen pressure, ink consistency, and sketch clarity — messy sketches produce unreliable output","No support for complex interactions beyond basic navigation flows (no conditional logic, animations, or state management)","Generated prototypes are basic HTML/CSS without responsive design or mobile optimization","Classification accuracy degrades significantly with overlapping elements or ambiguous shapes","Struggles with custom or non-standard UI patterns not in training data","Cannot distinguish between decorative elements and functional UI components","No confidence scoring or uncertainty flagging — misclassifications are silent, requiring manual review","Cannot infer complex conditional logic or state-dependent flows","Assumes standard navigation patterns — fails with custom interaction models","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.31666666666666665,"quality":0.67,"ecosystem":0.15000000000000002,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.35,"freshness":0.05}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:33.096Z","last_scraped_at":"2026-04-05T13:23:42.559Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=sketch2app","compare_url":"https://unfragile.ai/compare?artifact=sketch2app"}},"signature":"CHHOxYbjLjPH8C4n6dgfccMR2y2Po0r1B4Vd0rJQSOGn4JEO+HTc52b07+wclRwUwaHq7C3y1OwPz3IF7tUWBQ==","signedAt":"2026-06-21T21:02:36.298Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/sketch2app","artifact":"https://unfragile.ai/sketch2app","verify":"https://unfragile.ai/api/v1/verify?slug=sketch2app","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}