Java PDF redaction SDK
Nutrient Java SDK offers developers a robust API to automate redaction by permanently removing content from PDF documents.
Key capabilities
Permanently remove content (not just obscure it)
For strings, preset patterns, or regex
Add editing, bookmarks, OCR, and more


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.
Essential guides

Redact preset patterns
How to automate redaction by searching for preset text patterns

Redact regex patterns
How to automate redaction by using regex patterns in text search

Search and redact
How to automatically create redactions based on search criteria

Programmatic redaction
How to use the API to programmatically redact content from PDFs

Frontend integration
How to integrate a client-side UI to create and preview redactions