# Nutrient — Intelligent document platform for developers

> Developer-first SDKs, cloud APIs, and low-code tools for building, processing, and automating document workflows. Our Web SDK (WASM) and Document Engine power high-fidelity viewing, editing, redaction, conversion, OCR, and AI-assisted tasks across web, mobile, and server environments.

## Key pages (start here)
- [Web SDK (WASM) overview](https://www.nutrient.io/guides/web/) — Standalone, client-side PDF viewer/editor with annotations, forms, redaction, and more.
- [Document APIs overview](/api/) — Browse Nutrient DWS document APIs for PDF, OCR, conversion, extraction, security, and AI workflows.
- [DWS Processor API overview](/api/processor-api/) — Cloud document processing API for PDF generation, conversion, OCR, redaction, extraction, PDF/A, signatures, and more.
- [DWS Processor pricing](/api/pricing/processor-api/) — Credit-based pricing, free-trial path, and production-evaluation guidance for Document Web Services.
- [Processor API pricing per tool](/api/pricing-per-tool/) — Connect exact DWS workflows like OCR, HTML-to-PDF, extraction, and redaction to per-tool credit pricing, calculators, and commercial evaluation paths.
- [DWS Processor getting started](/guides/dws-processor/getting-started/) — Create an account, get your API key, and make your first request.
- [DWS Viewer API overview](/api/viewer-api/) — Cloud document viewing API for secure browser-based rendering, annotations, forms, signing, and collaboration.
- [DWS Viewer pricing](/api/pricing/viewer-api/) — Viewer-session pricing, free-trial path, and evaluation guidance for embedded document viewing.
- [DWS Accessibility API overview](/api/accessibility-api/) — Cloud PDF accessibility API for auto-tagging and validation workflows.
- [DWS Accessibility pricing](/api/pricing/accessibility-api/) — Quota-based pricing for PDF/UA auto-tagging and validation workflows.
- [HTML-to-PDF API](/api/html-to-pdf-api/) — Convert HTML and CSS into PDFs for invoices, reports, statements, and templates.
- [HTML-to-JPG API](/api/html-to-jpg-api/) — Convert HTML and CSS into JPG image output for previews, screenshots, and image-based delivery workflows.
- [HTML-to-PNG API](/api/html-to-png-api/) — Convert HTML and CSS into PNG image output for previews, screenshots, and image-based delivery workflows.
- [Office-to-PDF API](/api/office-to-pdf-api/) — Convert Word, Excel, and PowerPoint files into PDF documents for exports, reporting, and document-delivery workflows.
- [DOC-to-PDF API](/api/doc-to-pdf-api/) — Convert legacy Word DOC files into PDF documents for exports, reporting, and document-delivery workflows.
- [DOCX-to-PDF API](/api/docx-to-pdf-api/) — Convert Word DOCX files into PDF documents for exports, reporting, and document-delivery workflows.
- [DOC-to-PNG API](/api/doc-to-png-api/) — Convert legacy Word DOC files into PNG image output for previews, exports, and image-based workflows.
- [DOCX-to-PNG API](/api/docx-to-png-api/) — Convert Word DOCX files into PNG image output for previews, exports, and image-based workflows.
- [XLS-to-PDF API](/api/xls-to-pdf-api/) — Convert Excel XLS files into PDF documents for spreadsheet export and reporting workflows.
- [XLS-to-WebP API](/api/xls-to-webp-api/) — Convert Excel XLS files into WebP image output for previews, exports, and image-based workflows.
- [XLSX-to-PDF API](/api/xlsx-to-pdf-api/) — Convert Excel XLSX files into PDF documents for spreadsheet export and reporting workflows.
- [XLSX-to-PNG API](/api/xlsx-to-png-api/) — Convert Excel XLSX files into PNG image output for previews, exports, and image-based workflows.
- [ODT-to-PDF API](/api/odt-to-pdf-api/) — Convert OpenDocument text files into PDF documents for office and document-delivery workflows.
- [PPT-to-PDF API](/api/ppt-to-pdf-api/) — Convert legacy PowerPoint PPT files into PDF documents for presentation delivery and archival workflows.
- [PPT-to-PNG API](/api/ppt-to-png-api/) — Convert legacy PowerPoint PPT files into PNG image output for previews, exports, and slide-image workflows.
- [PPTX-to-PDF API](/api/pptx-to-pdf-api/) — Convert PowerPoint PPTX files into PDF documents for presentation delivery and archival workflows.
- [PPTX-to-JPG API](/api/pptx-to-jpg-api/) — Convert PowerPoint PPTX files into JPG image output for previews, exports, and slide-image workflows.
- [Image-to-PDF API](/api/image-to-pdf-api/) — Convert JPG, PNG, TIFF, WebP, and multiple images into PDFs for scans, receipts, and document packaging workflows.
- [BMP-to-PDF API](/api/bmp-to-pdf-api/) — Convert BMP images into PDF documents for scan, packaging, and archival workflows.
- [HEIC-to-PDF API](/api/heic-to-pdf-api/) — Convert HEIC images into PDF documents for mobile-image, scan, and packaging workflows.
- [JPG-to-PDF API](/api/jpg-to-pdf-api/) — Convert JPG images into PDF documents for scans, receipts, and packaging workflows.
- [PNG-to-PDF API](/api/png-to-pdf-api/) — Convert PNG images into PDF documents for scans, screenshots, and packaging workflows.
- [Word-to-image API](/api/word-to-image-api/) — Render Word documents into image output for previews, exports, and document-image workflows.
- [PowerPoint-to-image API](/api/powerpoint-to-image-api/) — Render PowerPoint files into image output for slide previews, exports, and presentation-image workflows.
- [Excel-to-image API](/api/excel-to-image-api/) — Render spreadsheet files into image output for previews and export workflows.
- [HTML-to-image API](/api/html-to-image-api/) — Render HTML and CSS into image output across JPG, PNG, TIFF, and WebP workflows.
- [TIFF-to-PDF API](/api/tiff-to-pdf-api/) — Convert TIFF images into PDF documents for scan, archival, and packaging workflows.
- [WebP-to-PDF API](/api/webp-to-pdf-api/) — Convert WebP images into PDF documents for web-image, scan, and packaging workflows.
- [Extract text from PDF API](/api/extract-text-from-pdf-api/) — Extract PDF text for search, compliance review, downstream AI pipelines, and document-processing workflows.
- [PDF-to-Markdown API](/api/pdf-to-md-api/) — Convert PDFs into Markdown files for AI pipelines, RAG, search indexing, and knowledge-base workflows.
- [Table extraction API](/api/table-extraction-api/) — Extract structured tabular data from PDFs into JSON or Excel for analytics, compliance, and data pipelines.
- [PDF-to-Excel API](/api/pdf-to-excel-api/) — Extract structured tabular PDF data into Excel spreadsheets for analytics, finance, and reporting workflows.
- [PDF-to-DOCX API](/api/pdf-to-docx-api/) — Convert PDF documents into Word DOCX output for editing and downstream document workflows.
- [PDF-to-HTML API](/api/pdf-to-html-api/) — Convert PDF documents into HTML markup for browser-ready output and content workflows.
- [PDF-to-JSON API](/api/pdf-to-json-api/) — Extract structured PDF data into JSON for analytics, automation, and downstream systems.
- [PDF-to-JPG API](/api/pdf-to-jpg-api/) — Render PDF pages into JPG image output for previews, exports, and image-based workflows.
- [PDF-to-PPTX API](/api/pdf-to-pptx-api/) — Convert PDF documents into PowerPoint PPTX output for editing and presentation workflows.
- [PDF-to-PNG API](/api/pdf-to-png-api/) — Render PDF pages into PNG image output for previews, exports, and image-based workflows.
- [PDF-to-TIFF API](/api/pdf-to-tiff-api/) — Render PDF pages into TIFF image output for archival, print, and image-based workflows.
- [PDF-to-WebP API](/api/pdf-to-webp-api/) — Render PDF pages into WebP image output for previews, exports, and image-based workflows.
- [PDF-to-XLSX API](/api/pdf-to-xlsx-api/) — Convert PDF documents into XLSX spreadsheet output for structured data and reporting workflows.
- [Key-value pair extraction API](/api/key-value-pair-extraction-api/) — Extract labeled fields from invoices, forms, and structured PDF workflows.
- [Merge PDF API](/api/merge-pdf-api/) — Combine multiple PDFs into a single document for batch processing, assembly, and packaging workflows.
- [Digital signatures API](/api/digital-signatures-api/) — Digitally sign PDFs with certificates for compliance-ready, tamper-evident document workflows.
- [PDF generator API](/api/pdf-generator-api/) — Generate PDFs from HTML, CSS, templates, fonts, and assets for invoices, statements, and branded document workflows.
- [DWS tools overview](/api/tools-overview/) — Browse all 30+ Processor API tools across conversion, extraction, editing, security, and optimization.
- [URL-to-PDF API](/api/url-to-pdf-api/) — Convert live web pages to PDF documents for archival, capture, and reporting workflows.
- [PDF security API](/api/pdf-security-api/) — Add password protection and permissions to PDFs for enterprise document security.
- [PDF watermark API](/api/pdf-watermark-api/) — Add text and image watermarks for branding, confidentiality, and document-control workflows.
- [PDF/A validation API](/api/pdfa-validation-api/) — Validate PDF/A conformance for archival, compliance, and long-term preservation workflows.
- [PDF-to-PDF/A API](/api/pdf-to-pdfa-api/) — Convert documents into PDF/A for archival, compliance, and long-term preservation workflows.
- [Word-to-image API](/api/word-to-image-api/) — Render Word documents into image output for previews, exports, and document-image workflows.
- [PowerPoint-to-image API](/api/powerpoint-to-image-api/) — Render PowerPoint files into image output for slide previews, exports, and presentation-image workflows.
- [Excel-to-image API](/api/excel-to-image-api/) — Render spreadsheet files into image output for previews and export workflows.
- [HTML-to-image API](/api/html-to-image-api/) — Render HTML and CSS into image output across JPG, PNG, TIFF, and WebP workflows.
- [Split PDF API](/api/split-pdf-api/) — Separate PDFs by page range, chapter, or content boundary for intake, routing, and export.
- [PDF form filling API](/api/pdf-form-filling-api/) — Fill PDF form fields programmatically using JSON or XFDF payloads.
- [PDF annotations API](/api/pdf-annotations-api/) — Import, export, and manage highlights, comments, and markup on PDFs.
- [Document Engine (self-hosted server)](https://www.nutrient.io/guides/document-engine/) — Headless PDF server for processing and streaming; integrates with Web SDK.
- [.NET SDK — overview](https://www.nutrient.io/guides/dotnet/) — Comprehensive server-side document toolkit (conversion, OCR/KVP, redaction, signatures, forms, barcodes, imaging, scanning, compression).
  - Viewer option: [DocuVieware — HTML5 viewer for .NET](https://www.nutrient.io/sdk/dotnet/docuvieware/)
  - API reference: [GdPicture.NET API](https://www.nutrient.io/api/gdpicture/)
- [Workflow Automation](https://www.nutrient.io/workflow-automation) — Low-code workflows for requests, approvals, compliance, and more.

## Web SDK (highest priority)
- [Web SDK overview](https://www.nutrient.io/guides/web/) — WASM-based PDF rendering in the browser; no server required.
- [Browser support and WASM](https://www.nutrient.io/guides/web/pspdfkit-for-web/browser-support/) — Rendering engine, compatibility, and performance notes.

## Interactive demos and Playground
- [Web demos](https://www.nutrient.io/demo/viewer) — Interactive demo hub with 80+ live examples and code playground: viewer, annotations, forms, collaboration, signatures, editor, generation, conversion, redaction, OCR, security, comparison.

## Document Engine (with Web SDK)
- [What is Document Engine?](https://www.nutrient.io/guides/document-engine/) — Self-hosted/headless service for processing and streaming (server-render → client bitmaps).
- [Getting started](https://www.nutrient.io/sdk/document-engine/getting-started/) — Setup, deployment, and pairing with Web SDK.
- [Downloads/Docker pull](https://www.nutrient.io/guides/document-engine/downloads/) — Pull from Docker Hub/AWS ECR.

## .NET SDK (server-side) and DocuVieware (viewer option)
- **.NET SDK** — Broad capability set for enterprise-grade document workflows:
  - Conversion (HTML/Office/image↔PDF, PDF/A), merge/split, watermark, linearize
  - OCR and extraction (full/zonal), key-value pairs (KVP), tables, search
  - Redaction and security (programmatic/UI, encryption, digital signatures/certification)
  - Forms and annotations (create/fill/flatten, XFDF import/export, markup)
  - Imaging and compression (filters, deskew/denoise, MRC, barcode read/write)
  - Scanning and print (TWAIN/WIA capture, programmatic printing)
  - Links: [.NET guides](https://www.nutrient.io/guides/dotnet/), [GdPicture.NET API](https://www.nutrient.io/api/gdpicture/)
- **DocuVieware (HTML5 viewer)** — Pairs with the .NET SDK for web apps (view, annotate, redact, sign, convert, collaborate).
  - Links: [overview](https://www.nutrient.io/sdk/dotnet/docuvieware/), [features](https://www.nutrient.io/sdk/dotnet/docuvieware/features/)

## Native SDKs
- [iOS SDK](https://www.nutrient.io/sdk/ios/)
- [Android SDK](https://www.nutrient.io/sdk/android/)
- [React Native](https://www.nutrient.io/sdk/react-native/)
- [Flutter](https://www.nutrient.io/sdk/flutter/)
- [Node.js](https://www.nutrient.io/sdk/nodejs/)
- [Salesforce](https://www.nutrient.io/low-code/integrations/salesforce)

## Integrations and Workflow
- [Workflow Automation](https://www.nutrient.io/workflow-automation) — CAPEX, AP, purchase requests, travel, contract approval, etc.
- [Document Converter (Muhimbi)](https://www.nutrient.io/low-code/document-converter) — 100+ conversions, merge, watermark, OCR (KVP).
- [Document Editor](https://www.nutrient.io/low-code/document-editor)
- [Searchability (OCR)](https://www.nutrient.io/low-code/document-searchability)

## AI and authoring
- [AI document processing](https://www.nutrient.io/sdk/ai-document-processing/) — Intelligent document processing for classification and data extraction (KVP, tables) across PDFs and images. Implementation: [developer guides](https://www.nutrient.io/guides/ai-document-processing/intro/).
- AI and document APIs: [data extraction](https://www.nutrient.io/api/data-extraction-api/), [Redaction API](https://www.nutrient.io/api/redaction-api/), [AI redaction](https://www.nutrient.io/api/ai-redaction-api/), [OCR](https://www.nutrient.io/api/pdf-ocr-api/).
- [AI Assistant](https://www.nutrient.io/sdk/ai-assistant/) — Chat, summarize, translate, and redact inside the viewer UI; works with your model provider. Implementation: [guides](https://www.nutrient.io/guides/ai-assistant/).
- [Document Authoring SDK](https://www.nutrient.io/sdk/document-authoring/) — WYSIWYG DOCX editor with PDF-fidelity export. Implementation: [guides](https://www.nutrient.io/guides/document-authoring/).

## Use and licensing (summary)
- Commercial/closed source; licensed per bundle ID (iOS), package name (Android/Windows), or domain (Web).
- Web SDK runs client-side (WASM). Document Engine is self-hosted or managed.
- .NET offers comprehensive server-side processing; DocuVieware is the HTML5 viewer.

## Contact
- Email: support@nutrient.io
- Security: https://www.nutrient.io/security/
- Partners: https://www.nutrient.io/partners/
- Customers/Stories: https://www.nutrient.io/blog/categories/customer-stories/

## Optional

Use these links to access deep-dive indexes for platform-specific guides, API reference, and blog content:

### SDKs

- [Web SDK](https://www.nutrient.io/guides/web/llms.txt) — JavaScript/WASM PDF SDK
- [.NET SDK](https://www.nutrient.io/guides/dotnet/llms.txt) — Server-side document processing
- [iOS SDK](https://www.nutrient.io/guides/ios/llms.txt) — Swift/Objective-C mobile SDK
- [Android SDK](https://www.nutrient.io/guides/android/llms.txt) — Kotlin/Java mobile SDK
- [Java SDK](https://www.nutrient.io/guides/java/llms.txt) — Server-side Java SDK
- [Node.js](https://www.nutrient.io/guides/nodejs/llms.txt) — Node.js integration
- [Flutter](https://www.nutrient.io/guides/flutter/llms.txt) — Cross-platform mobile SDK
- [React Native](https://www.nutrient.io/guides/react-native/llms.txt) — Cross-platform mobile SDK
- [.NET MAUI](https://www.nutrient.io/guides/maui/llms.txt) — Cross-platform .NET SDK

### Server and Cloud

- [Document Engine](https://www.nutrient.io/guides/document-engine/llms.txt) — Self-hosted PDF processing server
- [DWS Processor](https://www.nutrient.io/guides/dws-processor/llms.txt) — Cloud document processing API
  - Product overview: [Processor API](/api/processor-api/)
  - Pricing: [Processor API pricing](/api/pricing/processor-api/)
  - Getting started: [DWS Processor getting started](/guides/dws-processor/getting-started/)
  - Postman: [Postman collection](/guides/dws-processor/getting-started/postman-collection/)
- [DWS Viewer](https://www.nutrient.io/guides/dws-viewer/llms.txt) — Cloud document viewing API
  - Product overview: [Viewer API](/api/viewer-api/)
  - Pricing: [Viewer API pricing](/api/pricing/viewer-api/)
  - Guides: [DWS Viewer guides](/guides/dws-viewer/)
- [DWS Accessibility](https://www.nutrient.io/guides/dws-accessibility/llms.txt) — Cloud PDF accessibility API
  - Product overview: [Accessibility API](/api/accessibility-api/)
  - Pricing: [Accessibility API pricing](/api/pricing/accessibility-api/)
  - Guides: [DWS Accessibility guides](/guides/dws-accessibility/)

### AI features

- [AI document processing](https://www.nutrient.io/guides/ai-document-processing/llms.txt) — Intelligent document extraction
- [AI Assistant](https://www.nutrient.io/guides/ai-assistant/llms.txt) — AI-powered document assistant
- [Document Authoring](https://www.nutrient.io/guides/document-authoring/llms.txt) — Document creation and editing

### API reference

- [Web SDK API](https://www.nutrient.io/api/web/llms.txt) — JavaScript/TypeScript API reference
- [iOS SDK API](https://www.nutrient.io/api/ios/llms.txt) — Swift/Objective-C API reference
- [Android SDK API](https://www.nutrient.io/api/android/llms.txt) — Kotlin/Java API reference
- [Java SDK API](https://www.nutrient.io/api/java-sdk/llms.txt) — Server-side Java API reference
- [React Native API](https://www.nutrient.io/api/react-native/llms.txt) — Cross-platform mobile API reference
- [.NET MAUI API](https://www.nutrient.io/api/maui/llms.txt) — Cross-platform .NET API reference
- [GdPicture.NET API](https://www.nutrient.io/api/gdpicture/llms.txt) — .NET document processing API reference
- [DocuVieware API](https://www.nutrient.io/api/docuvieware/llms.txt) — HTML5 viewer API reference
- [AI Assistant API](https://www.nutrient.io/api/ai-assistant/llms.txt) — AI-powered document assistant API reference
- [Document Authoring API](https://www.nutrient.io/api/document-authoring/llms.txt) — Document editor API reference
- [XtractFlow API](https://www.nutrient.io/api/xtractflow/llms.txt) — AI document processing API reference

### Blog

- [Nutrient blog](https://www.nutrient.io/blog/llms.txt) — 1,900+ articles on document technology, SDKs, and workflow automation