Convert PDF to Editable PDF Using OCR using n8n action

PDF4me Convert PDF to Editable PDF Using OCR transforms scanned PDFs and image-based documents into searchable, editable PDFs through n8n automation workflows. Process PDFs via n8n triggers, binary data, base64 strings, or public URLs to apply OCR technology with multi-language support, quality level selection (Draft/High), conditional OCR processing, text layer creation, layout preservation, and searchable content generation. This solution is ideal for document digitization, scanned document processing, invoice OCR, archive conversion, searchable PDF creation, and automated OCR workflows that require accurate text recognition with preserved formatting and seamless integration.

Setup

Add the PDF4me "Convert PDF to Editable PDF Using OCR" node to your n8n workflow and configure the required parameters. For initial setup instructions, see our n8n Integration Guide.

Prerequisites:

• PDF4me API credentials
• n8n workflow access

Get Your API Key

Configuration:

1. Add PDF4me node to workflow
2. Select "Convert PDF to Editable PDF Using OCR" action
3. Configure input parameters (see below)

Parameters

Complete list of parameters for the Convert PDF to Editable PDF Using OCR action. Configure these parameters to control OCR conversion.

Important: Parameters marked with an asterisk (***) are required and must be provided for the action to function correctly.

Parameter	Type	Description	Example
Input Data Type***	String	PDF Input Format Selection • Choose the format of your PDF document input • PDF4me supports multiple input types for OCR conversion • Options: Binary Data, Base64 String, or URL	Binary Data
Input Binary Field	Binary	Binary PDF File Input (Required if Binary Data) • Reference PDF file from previous n8n node or file upload • Works with scanned PDFs, image-based PDFs, and mixed content • Required when Input Data Type is "Binary Data"	{{ $binary.data }}
Base64 PDF Content	String	Base64 Encoded PDF Input (Required if Base64 String) • Provide PDF content as base64 encoded string • Supports various PDF formats including scanned documents • Required when Input Data Type is "Base64 String"	JVBE...
PDF URL	String	Public PDF URL Input (Required if URL) • Provide a public/open permission URL to the PDF file • Downloads and processes the document for OCR conversion • Required when Input Data Type is "URL"	https://abc.com/scanned.pdf
Document Name***	String	Input Filename • Specify the name of the input PDF file • Important for OCR quality and text recognition accuracy • Must include .pdf extension	scanned_document.pdf
Quality Type***	String	OCR Quality Selection • Choose the OCR processing quality level • Draft: suitable for normal PDFs (1 API call per file) • High: suitable for images/scanned documents (2 API calls per page)	Draft
OCR Only When Needed***	Boolean	Conditional OCR Processing • True: apply OCR only when PDF is image-based or non-searchable • False: apply OCR to all content regardless of existing text layers • Optimizes processing and API consumption	True
Language***	String	OCR Language Setting • Specify the primary language of the text in the PDF • Optimizes OCR accuracy for better text recognition • English is default, other languages available	English
Output Format***	Boolean	Output Format Control • True: enable advanced formatting options for editable PDF • Ensures better preservation of layout and structure • Recommended for maintaining document formatting	true
Merge All Sheets***	Boolean	Sheet Merging Control • True: merge all sheets/pages into single continuous document • False: maintain individual page structure and formatting • Choose based on desired output structure	True
Output File Name***	String	Output Filename • Specify the name for the generated editable PDF file • Must include .pdf extension • PDF4me ensures unique naming and format validation	editable_pdf_output.pdf
Output Binary Field Name***	String	Binary Data Mapping • Define the variable name for accessing generated editable PDF data • Used in subsequent workflow actions • Essential for workflow data flow	data

Advanced Options

The following parameters are available in the Advanced Options section and are optional:

Parameter	Type	Description	Example
Custom Profiles	String	Custom Configuration Profiles • Set additional options using custom profiles • JSON-like format containing predefined OCR parameters • Includes language detection, text recognition accuracy, formatting preservation • Optional for specialized requirements	{ "language": "auto", "accuracy": "high", "preserveFormatting": true }

Output

Output Parameters

Parameter	Type	Description	Example
success	Boolean	PDF4me OCR conversion status indicator - Boolean flag indicating the success or failure of the OCR conversion process. Returns true for successful conversions and false for any errors, enabling robust error handling in automated workflows	true
message	String	PDF4me OCR conversion status message - Descriptive message indicating the result of the OCR conversion process. Provides clear status messages for successful conversions and detailed error information for troubleshooting purposes	PDF converted to editable PDF using OCR successfully
fileName	String	PDF4me generated filename - The complete filename of the successfully processed editable PDF document with proper extension. PDF4me ensures unique naming and validates file format compliance for seamless integration with downstream processes	editable_pdf_output.pdf
mimeType	String	PDF4me MIME type identifier - The standardized MIME type for the generated editable PDF file, always set to application/pdf by PDF4me's OCR processing engine. This ensures proper file handling and recognition across all systems and applications	application/pdf
fileSize	Number	PDF4me file size in bytes - The exact size of the generated editable PDF file in bytes, provided for storage planning, bandwidth optimization, and file transfer monitoring. Essential for enterprise document management and workflow automation	121875
qualityType	String	PDF4me OCR quality setting used - The quality setting that was applied during the OCR conversion process. Shows the actual quality level used for text recognition and document processing. Common values include "Draft", "High", and "Archival"	Draft
ocrWhenNeeded	String	PDF4me OCR conditional processing setting - Indicates whether OCR was applied conditionally (only when needed) or to all content. Shows the actual setting used during processing for verification and debugging purposes	true
language	String	PDF4me OCR language setting used - The language setting that was applied during the OCR conversion process. Shows the actual language used for text recognition to optimize accuracy and processing	English
mergeAllSheets	Boolean	PDF4me sheet merging setting used - Indicates whether all sheets or pages were merged into a single document during processing. Shows the actual setting applied for document structure handling	false

N8N Action Response

The PDF4me Convert PDF to Editable PDF Using OCR API returns a response that can be viewed in multiple formats. Choose the view that best fits your needs:

JSON

JSON Response Format

The raw JSON response from the API:

{
  "success": true,
  "message": "PDF converted to editable PDF using OCR successfully",
  "fileName": "editable_pdf_output.pdf",
  "mimeType": "application/pdf",
  "fileSize": 121875,
  "qualityType": "Draft",
  "ocrWhenNeeded": "true",
  "language": "English",
  "mergeAllSheets": false
}

Table

Table View

Response data in a structured table format:

Parameter	Value
success	true
message	PDF converted to editable PDF using OCR successfully
fileName	editable_pdf_output.pdf
mimeType	application/pdf
fileSize	121875
qualityType	Draft
ocrWhenNeeded	true
language	English
mergeAllSheets	false

Schema

Schema View

The data structure and types of the response:

success: ✓ true
message: AB PDF converted to editable PDF using OCR successfully
fileName: AB editable_pdf_output.pdf
mimeType: AB application/pdf
fileSize: # 121875
qualityType: AB Draft
ocrWhenNeeded: AB true
language: AB English
mergeAllSheets: ✓ false

Type Indicators:

• AB = String
• # = Number
• ✓ = Boolean

Binary

Binary Data View

The actual editable PDF file data and metadata:

data
─────────────────────────────────────────
File Name: editable_pdf_output.pdf
File Extension: pdf
Mime Type: application/pdf
File Size: 119.0 KB

Use Cases

Document Digitization and Archival

• Convert paper documents and scanned files into searchable, editable digital formats
• Digitize historical archives and legacy documents for modern access and preservation
• Transform physical forms and documents into editable digital versions

Content Management and Searchability

• Make scanned documents searchable for content management systems
• Enable full-text search capabilities on previously non-searchable documents
• Convert image-based PDFs into accessible, editable content for better user experience

Workflow Automation and Processing

• Automate the conversion of scanned documents in document processing workflows
• Process incoming paper documents for automated data extraction and analysis
• Enable downstream processing of previously static document content

Get Help

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