Word/Excel/PDF Metadata Editor – Herramienta en línea gratuita – ToolBox

Word (DOCX) / Excel (XLSX) / PDF metadata editor. View and edit common document properties such as creation time, modification time, author, title, subject, keywords, and description. Also supports Office extended properties (company, manager) and custom properties. Everything runs locally in your browser en línea gratuito con no file uploads, ideal for privacy cleanup before sharing and for document metadata normalization.