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Redact Any Document Type
99.7% Accuracy
70+ Data Types

Redact Any Document Type

Protect sensitive data across 50+ document formats including PDFs, Office documents, images, scanned files, audio, and video. Intelligent processing preserves formatting.

Enterprise Security
Real-Time Processing
Compliance Ready
0 Words Protected
0+ Enterprise Clients
0+ Languages
50 +
Formats
99 %
OCR Accuracy
150 +
Languages
100 M+
Docs Processed

50+ Document Formats

From PDFs to videos, we process any document type your organization handles. Click a format to learn about specific capabilities.

Universal Document Processing

One API for all your document redaction needs

PDF Processing

Native PDF text extraction with visual redaction. Handles forms, annotations, embedded images, and encrypted PDFs.

OCR Technology

Advanced OCR extracts text from scanned documents and images with 99%+ accuracy across 150+ languages.

Image Redaction

Detect and redact sensitive data in photos, screenshots, scans, and graphics. Multiple visual redaction styles.

Audio Transcription

Transcribe audio files and redact sensitive information. Supports speech-to-text in 100+ languages.

Video Processing

Extract and redact audio transcripts from video. Visual redaction for on-screen text and faces.

Office Documents

Full support for Word, Excel, PowerPoint with formatting preservation. Track changes and comments handling.

How It Works

Simple integration, powerful results

01

Upload Content

Send your documents, text, or files through our secure API endpoint or web interface.

02

AI Detection

Our AI analyzes content to identify all sensitive information types with 99.7% accuracy.

03

Smart Redaction

Sensitive data is automatically redacted based on your configured compliance rules.

04

Secure Delivery

Receive your redacted content with full audit trail and compliance documentation.

Easy API Integration

Get started with just a few lines of code

  • RESTful API with JSON responses
  • SDKs for Python, Node.js, Java, Go
  • Webhook support for async processing
  • Sandbox environment for testing
redaction_api.py
import requests

api_key = "your_api_key"
url = "https://api.redactionapi.net/v1/redact"

data = {
    "text": "John Smith's SSN is 123-45-6789",
    "redaction_types": ["ssn", "person_name"],
    "output_format": "redacted"
}

response = requests.post(url,
    headers={"Authorization": f"Bearer {api_key}"},
    json=data
)

print(response.json())
# Output: {"redacted_text": "[PERSON_NAME]'s SSN is [SSN_REDACTED]"}
const axios = require('axios');

const apiKey = 'your_api_key';
const url = 'https://api.redactionapi.net/v1/redact';

const data = {
    text: "John Smith's SSN is 123-45-6789",
    redaction_types: ["ssn", "person_name"],
    output_format: "redacted"
};

axios.post(url, data, {
    headers: { 'Authorization': `Bearer ${apiKey}` }
})
.then(response => {
    console.log(response.data);
    // Output: {"redacted_text": "[PERSON_NAME]'s SSN is [SSN_REDACTED]"}
});
curl -X POST https://api.redactionapi.net/v1/redact \
  -H "Authorization: Bearer your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "text": "John Smith's SSN is 123-45-6789",
    "redaction_types": ["ssn", "person_name"],
    "output_format": "redacted"
  }'

# Response:
# {"redacted_text": "[PERSON_NAME]'s SSN is [SSN_REDACTED]"}
SSL Encrypted
<500ms Response

Comprehensive Document Processing for Data Protection

In today's digital workplace, sensitive data exists across an ever-expanding variety of document formats. From traditional office documents to multimedia files, from structured data exports to scanned paper archives, organizations must protect sensitive information wherever it resides. Effective data protection requires redaction capabilities that span this entire document landscape without requiring different tools for different formats.

RedactionAPI provides unified redaction across 50+ document formats through a single API. Whether you're processing PDFs, Word documents, spreadsheets, images, audio recordings, or video files, the same API calls and redaction rules apply. This simplifies integration, ensures consistent protection, and eliminates the need to maintain multiple redaction solutions.

Intelligent Document Processing

Our document processing goes beyond simple text extraction. We understand document structure, preserving the relationship between content elements while applying appropriate redaction. Headers, footers, tables, lists, and other structural elements are maintained in the output, ensuring redacted documents remain usable and professional.

For documents containing multiple content types—like PDFs with embedded images or presentations with audio narration—we process each content type appropriately. Embedded images undergo OCR and visual redaction. Audio tracks are transcribed and analyzed. The result is comprehensive protection across all information channels within a document.

OCR and Scanned Document Processing

Many organizations maintain large archives of scanned documents that may contain sensitive information. These documents present unique challenges: the text exists only as pixels in an image, invisible to traditional text-based redaction tools. Our OCR technology addresses this challenge with high accuracy across document types and languages.

Our neural network-based OCR achieves 99%+ accuracy on standard document scans and maintains high accuracy even with challenging inputs like faded text, skewed pages, mixed fonts, and handwritten annotations. Support for 150+ languages means global document archives can be processed without language-specific configuration.

Preserving Document Integrity

Effective redaction must protect sensitive data while preserving document usability. A heavily processed document that loses formatting, structure, or quality serves no one's needs. Our processing pipeline prioritizes document integrity throughout the redaction process.

For text documents, we maintain fonts, styles, pagination, and layout. For images, we preserve resolution and quality outside redacted regions. For audio and video, we maintain synchronization, quality, and metadata. The goal is output documents that appear and function identically to originals except for the appropriately redacted sensitive content.

Trusted by Industry Leaders

Trusted by 500+ enterprises worldwide

Frequently Asked Questions

Everything you need to know about our redaction services

Still have questions?

Our team is ready to help you get started.

Contact Support
01

What document formats do you support?

We support 50+ formats including: PDF (native and scanned), Microsoft Office (Word, Excel, PowerPoint), images (JPG, PNG, TIFF, BMP, GIF), audio (MP3, WAV, M4A, FLAC), video (MP4, AVI, MOV, MKV), plain text, HTML, XML, JSON, CSV, and many more. Contact us if you have a specific format not listed.

02

How does OCR work for scanned documents?

Our OCR engine uses advanced neural networks to extract text from scanned documents and images with 99%+ accuracy. It handles various scan qualities, skewed pages, handwritten text, and documents in 150+ languages. Extracted text is then processed for sensitive data detection.

03

Does redaction preserve document formatting?

Yes, we preserve original document formatting wherever possible. For PDFs, we maintain layout, fonts, and structure. For Office documents, we preserve styles, headers/footers, and embedded objects. For images, we maintain resolution and quality outside redacted areas.

04

Can you redact sensitive data in images within PDFs?

Yes, our PDF processing handles embedded images. We extract images, run OCR if needed, detect sensitive data, and apply visual redaction. The redacted image is re-embedded in the PDF, maintaining document structure.

05

How do you handle audio and video redaction?

For audio, we transcribe the content using speech-to-text, identify sensitive information in the transcript, and can either provide the redacted transcript or mute/beep sensitive audio segments. For video, we combine audio processing with visual analysis to detect on-screen text and faces.

06

What about encrypted or password-protected documents?

We can process password-protected documents if you provide the password. For documents with DRM or other protection, we need appropriate permissions. We maintain encryption on output documents using your specified passwords or encryption settings.

Enterprise-Grade Security

Start Processing Documents Today

Upload any document format and see redaction in action.

No credit card required
10,000 words free
Setup in 5 minutes