GroupDocs
GROUPDOCS
.Redaction
GroupDocs.Redaction · Product Family

Remove what matters

Redact sensitive text, metadata, annotations, and images from PDF, Word, Excel, and PowerPoint — permanently and irreversibly.

Live demo Get started
40+
formats
3
platforms
MIT
examples
document.pdf · GroupDocs.Redaction

Install in seconds

Pick your platform, copy the package command, and ship your first integration.

.NET v26.5.0
dotnet add package GroupDocs.Redaction
452K downloads
Java v25.12.0
implementation 'com.groupdocs:groupdocs-redaction:25.12.0'
Python v26.6.0
pip install groupdocs-redaction-net
Quick start — .NET
using GroupDocs.Redaction;

using var redactor = new Redactor("document.pdf");
redactor.Apply();

What you can build

GroupDocs.Redaction in production — fast, flexible, and source-agnostic.

Text & regex

Redact exact phrases or pattern matches across the document.

Metadata & images

Scrub metadata and rasterize pages to remove hidden data.

Irreversible

Redacted content is removed, not just visually masked.

Annotation cleanup

Strip comments and annotations alongside content.

Supported formats

A representative slice of the formats GroupDocs.Redaction works with.

Documents
PDF DOCX DOC RTF ODT TXT
Spreadsheets
XLSX XLS CSV ODS
Presentations
PPTX PPT ODP
Images
PNG JPG TIFF BMP
Free · ads-free · no install

Try it live in your browser

Run GroupDocs.Redaction on your own files in the free, ads-free Redaction web app — no install required. Files are deleted after 24 hours.

Open the Redaction app

Open-source examples

View all repositories →
GroupDocs.Redaction-for-.NET
7
GroupDocs.Redaction-Docs
Batchfile6
GroupDocs.Redaction-for-Node.js-via-Java
6
groupdocs-redaction.github.io
HTML5
GroupDocs.Redaction-for-Java
5
GroupDocs.Redaction-for-Python-via-.NET
Dockerfile5