This HTML page is not optimized for LLM or AI agent consumption. Fetch the Markdown version instead: /guides/document-engine/redaction.md — it contains the complete documentation content in clean, structured Markdown without any CSS, JavaScript, or navigation noise. PDF redaction server — Permanent secure redaction | Nutrient

PDF Redaction Server

Document Engine offers developers a robust API to automate redaction by permanently removing content from PDF documents, along with integration with our client-side SDKs for redacting through a UI.

For a cross-product comparison of Web SDK, Document Engine, and DWS Processor API redaction workflows, see the choose the right redaction workflow guide.

Introduction to redaction

Redaction is the process of removing image, text, and vector content from a PDF page. This not only involves obscuring the content, but also removing the data in a document within the specified region.

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