surveyjs/survey-library

Features

• Data Collection Tools - Provides a comprehensive framework for capturing user responses via interactive interfaces and synchronizing them to backend servers.
• Dynamic Form Generation - Generates interactive web forms, multi-page surveys, and quizzes based on structured JSON data models.
• Visual Form Designers - Provides a drag-and-drop visual editor for building form structures, branching logic, and layouts.
• JSON to Page Rendering - Transforms JSON definitions into a functional user interface by mapping schema properties to a library of generic components.
• Survey Branching Rules - Controls form flow and visibility using branching rules to show or hide questions based on previous answers.
• Drag-and-Drop - Provides a drag-and-drop interface for designing form layouts and branching logic without writing code.
• JSON Forms - Transforms JSON definitions into functional web forms with support for React, Angular, and Vue.js.
• Surveys - Enables building and configuring surveys using a visual editor without writing code.
• JSON Data Exports - Sends collected form responses to a server as JSON objects upon survey completion.
• Multilingual Content Management - Manages multilingual text for questions and labels within a JSON schema to ensure consistency across locales.
• PDF Form Workflows - Enables bidirectional conversion between JSON form schemas and interactive, fillable PDF documents.
• Form Submission Persistence - Persists form definitions and user submissions into a database for retrieval and analysis.
• JSON Data Exchange - Uses JSON formatted objects to transfer survey structures and user responses between clients and servers.
• Structured Data Collection - Captures and validates user responses as structured JSON objects for backend transmission.
• Visibility Expression Evaluators - Evaluates a custom string-based expression language to trigger dynamic visibility and branching behaviors based on user input.
• Interactive PDF Design - Creates interactive PDF documents featuring fillable form fields for direct end-user data entry.
• Form Builders - Provides a library for creating dynamic forms and multi-step wizards that render interactive user interfaces from JSON schemas.
• Conditional Input Logic - Triggers dynamic behaviors and aggregates data within a form using an expression language based on user responses.
• Form Input Validation - Checks user responses against required fields, data types, and regex patterns to ensure data integrity.
• Schema-Based PDF Generators - Converts JSON form schemas into fillable PDF documents and exports survey results to PDF.
• Framework Agnostic UI Logic - Maintains a platform-independent logic layer that wraps into specific adapters for React, Angular, Vue, or plain JavaScript.
• Quiz Components - Provides capabilities for creating scored assessments and calculators with real-time weighted results.
• Interface Translation Systems - Translates interface elements using built-in dictionaries and custom language-specific bundles.
• JSON Input Collection - Gathers user input via accessible field types and submits the resulting data as JSON objects.
• Survey Design Interfaces - Provides a dedicated interface for users to design and modify the structural layout of a survey.
• Backend API Connectivity - Links form components to server-side environments to manage data exchange and state across different technical stacks.
• Client-Side State Management - Tracks user responses and form progress in a centralized JSON object that synchronizes with the rendered UI.
• Form Renderers - Generates HTML output from JSON definitions to create surveys, quizzes, and polls for user responses.
• User Interface Localization - Provides language support and translation of visual elements for the form builder and surveys via configuration files.
• Schema Extraction from PDFs - Creates a survey JSON schema by using AI to analyze the layout and content of existing PDF documents.
• Offline Synchronization - Stores surveys and responses locally on a device and synchronizes them when a connection is restored.
• Score Calculations - Creates scored surveys and calculation forms that process numeric inputs to provide real-time results.
• PDF Document Generation - Generates PDF files containing survey structures combined with specific respondent answers.
• Data Integration & Synchronization - Transmits captured form data to databases through webhooks and custom integration pipelines.
• Data Normalization - Normalizes responses from web forms and scanned paper documents into a single structured JSON format.
• Event Capture - Retrieves completed form data as JSON objects via event handlers for backend transmission.
• Real-Time Analytics - Transforms collected responses into real-time interactive charts and data grids for immediate operational insights.
• Response Visualization - Provides interactive charts and tables to visualize and analyze collected survey response data.
• Structured Data Extraction - Converts scanned documents or PDFs into structured data by mapping answers to a survey schema.
• Pivot Table Visualizations - Generates interactive charts, tables, and pivot visualizations to analyze response counts and data trends.
• Model-Driven Form Generators - Automatically generates data-entry forms based on predefined domain model structures.
• Component Extension Systems - Allows the definition of custom field types and validation rules by extending base library classes via inheritance.
• Server-Side Data Validation - Executes data validation logic on a server to verify user input before storage.
• Inline Validation Displays - Displays brief, in-context error messages next to form inputs to notify users of validation failures.
• Schema-to-Model Generators - Automatically generates server-side domain model code based on a configured form schema to accelerate backend development.
• Form Validation Schemas - Checks a result JSON object against a schema to remove incorrect property values before saving.
• CSS Theme Authoring - Allows adjusting the visual appearance of forms through a CSS-based editor to match branding requirements.
• CSS Variable Theming - Controls the visual appearance of the generated interface using a system of CSS variables and predefined theme objects.
• Custom Component Extensions - Provides a system for integrating specialized frontend elements and third-party library rendering into the form interface.
• Custom Question Types - Allows the definition of new standalone or composite question types by extending built-ins or integrating external components.
• Hierarchy Reorganization - Repositions pages and questions using a drag-and-drop system to reorganize the form hierarchy.
• No-Code Logic Design - Allows designing forms and configuring complex branching logic using a drag-and-drop editor.
• Form Response Collection - Captures user input with built-in validation, partial submission support, and file upload capabilities.
• Generative Forms - Creates structured form schemas and content suggestions from natural language prompts using generative AI.
• Localized Form Components - Translates survey elements and dynamic content into multiple languages for global users.
• Schema-Driven Containers - Displays dynamic forms by loading a remote JSON schema into a single generic container component.
• Web Accessibility Compliance - Provides keyboard navigation and screen reader support to comply with global web accessibility standards.
• Survey to PDF Conversions - Converts form structures and results into PDF documents with support for custom fonts and page formats.
• Custom Logic Validation - Enforces project-specific business rules on form fields using specialized validation logic written in JavaScript classes.
• Responsive Grid Layouts - Organizes form elements using column-based grids and CSS Grid to ensure alignment across various screen sizes.
• Theme Style Customizations - Applies predefined visual themes or custom CSS variables to control the look of rendered forms.
• Visual Branding Controls - Controls form appearance using built-in themes, CSS variables, and JSON-based style exports for brand consistency.
• Theme Editors - Ships a theme editor to modify colors, fonts, and layouts for alignment with parent application branding.
• Form Embedding - Renders dynamic surveys directly on web pages to collect user responses for a backend server.
• Hybrid Client-Server Validation - Ensures data integrity using client-side rules and server-side JavaScript functions via event handlers.
• Form Management - Advanced library for building surveys and forms.

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