Cómo funciona
Sube PDF, AES-256, descarga cifrado local.
Añade contraseña AES-256 sin subir.
🔒 100% Secure & Local: Your documents are processed entirely in your browser and never uploaded to any server.
Arrastra y suelta archivos aquí
AES-256 encryption runs locally. Choose a password you will remember. Up to 80 MB · 25 files / batch
Sube PDF, AES-256, descarga cifrado local.
Conversions run in your tab with JavaScript — no desktop app required.
Files stay on your device during processing. We do not receive your uploads.
Heavy codecs and AI models run locally via Web Workers and WASM (FFmpeg.wasm, Transformers.js).
Sube PDF, AES-256, descarga cifrado local.
Contraseñas perdidas no se recuperan. El procesamiento es 100% sin conexión en tu navegador: los archivos nunca salen de tu dispositivo.
Yes. This tool is free convert online with no signup. Processing stays in your browser — no uploads.
You control quality settings. Choose higher quality for no quality loss when converting online.
Every conversion runs inside your browser tab using JavaScript and Web Workers. There is no background server queue and no account is required for core tools.
Your files are never uploaded to FreeConvertKit for processing. Originals, previews, and exports stay on your device unless you choose to download or share them yourself.
When codecs or AI models are needed, WebAssembly modules such as FFmpeg.wasm and Transformers.js execute locally — giving you desktop-class power with absolute file privacy.
Convierte PDF a documentos Word (.docx) editables en tu navegador.
Convierte documentos Word en PDF listos para compartir sin salir del navegador.