nutrient-document-processing

name nutrient-document-processing description Process, convert, OCR, extract, redact, sign, and fill documents using the Nutrient DWS API. Works with PDFs, DOCX, XLSX, PPTX, HTML, and images. Use when converting, OCRing, extracting from, redacting, signing, or filling documents via the Nutrient DWS API. metadata {"origin":"ECC"} Nutrient Document Processing Note: This skill integrates with the Nutrient commercial API. Review their terms before use. Process documents with the Nutrient DWS Processor API . Convert formats, extract text and tables, OCR scanned documents, redact PII, add watermarks, digitally sign, and fill PDF forms. Setup Get a free API key at nutrient.io export NUTRIENT_API_KEY= "pdf_live_..." All requests go to https://api.nutrient.io/build as multipart POST with an instructions JSON field. Operations Convert Documents # DOCX to PDF curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.docx=@document.docx" \ -F 'instructions={"parts":[{"file":"document.docx"}]}' \ -o output.pdf # PDF to DOCX curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"docx"}}' \ -o output.docx # HTML to PDF curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "index.html=@index.html" \ -F 'instructions={"parts":[{"html":"index.html"}]}' \ -o output.pdf Supported inputs: PDF, DOCX, XLSX, PPTX, DOC, XLS, PPT, PPS, PPSX, ODT, RTF, HTML, JPG, PNG, TIFF, HEIC, GIF, WebP, SVG, TGA, EPS. Extract Text and Data # Extract plain text curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"text"}}' \ -o output.txt # Extract tables as Excel curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"output":{"type":"xlsx"}}' \ -o tables.xlsx OCR Scanned Documents # OCR to searchable PDF (supports 100+ languages) curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "scanned.pdf=@scanned.pdf" \ -F 'instructions={"parts":[{"file":"scanned.pdf"}],"actions":[{"type":"ocr","language":"english"}]}' \ -o searchable.pdf Languages: Supports 100+ languages via ISO 639-2 codes (e.g., eng , deu , fra , spa , jpn , kor , chi_sim , chi_tra , ara , hin , rus ). Full language names like english or german also work. See the complete OCR language table for all supported codes. Redact Sensitive Information # Pattern-based (SSN, email) curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"redaction","strategy":"preset","strategyOptions":{"preset":"social-security-number"}},{"type":"redaction","strategy":"preset","strategyOptions":{"preset":"email-address"}}]}' \ -o redacted.pdf # Regex-based curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"redaction","strategy":"regex","strategyOptions":{"regex":"\\b[A-Z]{2}\\d{6}\\b"}}]}' \ -o redacted.pdf Presets: social-security-number , email-address , credit-card-number , international-phone-number , north-american-phone-number , date , time , url , ipv4 , ipv6 , mac-address , us-zip-code , vin . Add Watermarks curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"watermark","text":"CONFIDENTIAL","fontSize":72,"opacity":0.3,"rotation":-45}]}' \ -o watermarked.pdf Digital Signatures # Self-signed CMS signature curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "document.pdf=@document.pdf" \ -F 'instructions={"parts":[{"file":"document.pdf"}],"actions":[{"type":"sign","signatureType":"cms"}]}' \ -o signed.pdf Fill PDF Forms curl -X POST https://api.nutrient.io/build \ -H "Authorization: Bearer $NUTRIENT_API_KEY " \ -F "form.pdf=@form.pdf" \ -F 'instructions={"parts":[{"file":"form.pdf"}],"actions":[{"type":"fillForm","formFields":{"name":"Jane Smith","email":"jane@example.com","date":"2026-02-06"}}]}' \ -o filled.pdf MCP Server (Alternative) For native tool integration, use the MCP server instead of curl: { "mcpServers" : { "nutrient-dws" : { "command" : "npx" , "args" : [ "-y" , "@nutrient-sdk/dws-mcp-server" ] , "env" : { "NUTRIENT_DWS_API_KEY" : "YOUR_API_KEY" , "SANDBOX_PATH" : "/path/to/working/directory" } } } } When to Use Converting documents between formats (PDF, DOCX, XLSX, PPTX, HTML, images) Extracting text, tables, or key-value pairs from PDFs OCR on scanned documents or images Redacting PII before sharing documents Adding watermarks to drafts or confidential documents Digitally signing contracts or agreements Filling PDF forms programmatically Links API Playground Full API Docs npm MCP Server