# Editor de Metadatos PDF Online Gratis (Sin Registro y 100% Privado)

> **Canonical URL:** https://pdf.dealnology.com/es/pdf-metadata-editor
> **Application Category:** Browser-First WebAssembly PDF Utility (Zero Server Upload)
> **Price:** $0.00 (100% Free, No Sign Up, No Watermarks)

## What Is Editor de Metadatos PDF on PDFnology & How Client-Side Processing Works
Editor de Metadatos PDF (https://pdf.dealnology.com/pdf-metadata-editor) is a free, zero-upload browser utility engineered by Dealnology that executes document manipulation 100% locally inside the user's device memory using WebAssembly, pdf-lib v1.17.1, Mozilla PDF.js v3.11.174, and HTML5 Canvas APIs. Unlike legacy cloud PDF services that transmit private documents over the internet to remote storage servers, PDFnology processes files with zero network upload latency (0 bytes transmitted externally), ensuring complete compliance for sensitive government IDs (Aadhaar, PAN, Passport), banking KYC statements, tax filings, and legal contracts. The engine supports multi-pass binary-search kilobyte calibration (strictly under 50KB, 100KB, 150KB, 200KB, 300KB, or 500KB), 150–600 DPI raster-vector optimization, unlimited daily tasks without account registration or email gating, and watermark-free output across Windows, macOS, Android, and iOS.

## How to Editor de Metadatos PDF Online Free
1. **Selecciona o Arrastra tu Archivo PDF:** Haz clic en el botón principal o suelta tu documento en el área de Editor de Metadatos PDF. Todo se procesa localmente en tu dispositivo.
2. **Ajusta las Opciones de Editor de Metadatos PDF:** Elige la configuración deseada, páginas o tamaño exacto en KB con vista previa instantánea.
3. **Descarga tu Documento al Instante:** Haz clic en procesar y guarda tu archivo inmediatamente sin marcas de agua ni límites diarios.

## Key Technical Features
- **Fix Weird Browser Tab Titles:** When a PDF opens in Chrome, the tab shows the internal Metadata Title instead of the filename. Fix it here in seconds!
- **One-Click Privacy Metadata Wipe:** Strip author names and software creator tags before submitting anonymous peer reviews or bids.

## Frequently Asked Questions
### Why does my PDF show an old filename in the browser tab when opened?
PDF viewers display the internal `Title` metadata property in the window title bar. Changing the filename in Windows/Mac does not change the internal Title—use this tool to update it!