DocRedactNow is a 100% offline document redaction tool for Windows. It permanently removes PII (emails, credit cards, names, etc.) from DOCX, XLSX, PPTX, PDF, and TXT files. The entire app is only 12.8MB. It runs completely locally with no cloud dependencies, no telemetry, and no file uploads. It includes 34 built-in detection rules and supports batch processing for hundreds of files. Rated 4.5/5 on Softpedia and 4/5 on Softonic.