Desbloquear PDF online
Quita la contraseña y las restricciones de un PDF cuya contraseña conoces. Gratis, privado y rápido: todo se ejecuta en tu navegador, no se sube nada y no hay nada que instalar.
Quita la contraseña y las restricciones de un PDF cuya contraseña conoces. Arrastra tus archivos al recuadro de arriba, ajusta las opciones si quieres y descarga el resultado. La herramienta Desbloquear PDF de FansBond funciona por completo en tu navegador, así que tus archivos nunca salen de tu dispositivo. Es gratis, no necesita cuenta y no hay nada que instalar.
- Privado por diseño: los archivos se procesan en tu dispositivo y nunca se suben a un servidor.
- Nada que instalar: funciona en Chrome, Safari, Firefox y Edge en ordenador, Android y iPhone.
- Gratis, sin registro, sin marca de agua y sin límites diarios.
- Acepta: PDF.
- Guarda como: PDF.
What Desbloquear PDF does
Desbloquear PDF removes the encryption from a PDF so it opens without a password and can be printed, copied, edited, merged or compressed. It is meant for your own files, for example a bank statement or payslip that arrives protected with a password you know.
The file is decrypted with qpdf. You enter the password once, and qpdf writes a new copy without encryption or permission restrictions, named with -unlocked. Content, links, bookmarks and form fields stay as they were. The tool cannot find or bypass a password you do not know.
Cómo usar Desbloquear PDF
- Arrastra tus archivos PDF al recuadro.
- Ajusta las opciones de la herramienta Desbloquear PDF.
- Haz clic en Aplicar. El PDF se procesa en tu dispositivo.
- Descarga el nuevo PDF.
When to use Desbloquear PDF
- Remove the password from monthly bank statements so they can be merged into one file for a mortgage or loan application.
- Unlock a payslip or tax document from your employer so it can be uploaded to a portal that rejects protected files.
- Remove printing and copying restrictions from a PDF you created yourself and no longer need to protect.
- Unlock a protected file before compressing, splitting or signing it, because those tools cannot work on encrypted PDFs.
Settings explained
- Password
- Enter the password used to open the file, or its owner password. Leave it empty for PDFs that open without a password but block printing, copying or editing; those restrictions can be removed without one.
- Add more files
- Add several protected PDFs to unlock them in one run. The same password is used for every file, so this works best for documents that share a password, such as statements from one bank.
¿Qué es PDF?
PDF (Portable Document Format) es un formato de documento creado por Adobe en 1993. Los archivos usan la extensión .pdf.
PDF was created by Adobe to show documents the same way on any device and printer. A PDF file describes pages with text, fonts, vector graphics and images at fixed positions. It became an open ISO standard in 2008, and there are special variants such as PDF/A for archiving and PDF/X for printing.
PDF is the right choice for documents that must look the same everywhere, such as contracts, invoices, forms, manuals, reports and files for printing. It also supports digital signatures, fillable forms, comments and password protection.
PDF is hard to edit, because text is stored as positioned pieces, not as flowing paragraphs. Converting a PDF to Word may change the layout. Scanned PDFs contain pictures of text, not real text, unless OCR has been applied.
All major web browsers open PDF files directly. Windows, macOS, iOS and most Android phones include a PDF viewer, and Adobe Acrobat Reader and many free apps can view, annotate and fill PDF forms on all platforms.
Por qué usar Desbloquear PDF de FansBond
La mayoría de los convertidores online suben tus archivos a sus servidores. La herramienta Desbloquear PDF de FansBond hace el trabajo dentro de tu navegador, con WebAssembly y las API modernas del navegador. Tus archivos se quedan en tu dispositivo, lo que es más seguro para fotos privadas, contratos y trabajos sin publicar, y a menudo es más rápido porque no hay que subir ni descargar nada.
Sin colas, sin marcas de agua y sin cuenta. Una vez cargada la página, la herramienta sigue funcionando incluso con una conexión lenta.
Tips for the best result
- If a file needs a password to open and you leave the field empty, the tool reports that the PDF could not be processed. Enter the password and try again.
- Passwords are case sensitive. If the password is rejected, check Caps Lock and the keyboard language before you try again.
- Banks and employers often build the password from your date of birth, customer number or tax number. Check the email or letter that came with the file.
- Without encryption, anyone who gets the unlocked copy can open it. Store it in a safe place, or delete it when you no longer need it.
How Desbloquear PDF works in your browser
Encryption and decryption use qpdf, a widely used open-source PDF toolkit, compiled to WebAssembly. Protected files use 256-bit AES, the strongest encryption method in the PDF standard.
The password you type is used only inside your browser tab to encrypt or decrypt the file. It is never sent anywhere and is not stored after you close the page.
Privacy and security
Most online converters upload your files to a server, process them there and keep a copy for some time. Desbloquear PDF works differently: the code is downloaded to your browser once, and your files are read and written only on your device.
You can check this yourself: after the page has loaded, turn off your internet connection and the tool still works. This makes it safe for contracts, IDs, medical records, private photos and unreleased work.
Preguntas frecuentes
¿La herramienta Desbloquear PDF es gratis?
Sí. La herramienta Desbloquear PDF de FansBond es completamente gratuita, sin registro, sin marca de agua y sin límite diario.
¿Se suben mis archivos a un servidor?
No. Tus archivos se procesan en tu navegador, en tu propio dispositivo. Nunca se envían a FansBond ni a nadie más.
¿Tengo que instalar algún programa?
No. Funciona en cualquier navegador moderno (Chrome, Safari, Firefox, Edge) en Windows, Mac, Linux, Android y iPhone.
¿Hay un límite de tamaño de archivo?
No hay un límite fijo. Como el trabajo se hace en tu dispositivo, el límite real depende de su memoria. La mayoría de los móviles manejan archivos de unos cientos de megabytes, y los ordenadores, mucho más.
Can I unlock a PDF if I forgot the password?
No. Files that need a password to open can only be unlocked with the correct password. The tool does not guess or crack passwords, and an AES-encrypted PDF cannot practically be opened without it. Ask the sender for the password or for an unprotected copy.
What is the difference between an open password and restrictions?
An open password, also called a user password, is needed to view the file. Restrictions are set with an owner password and only limit actions such as printing or copying, while the file still opens normally. This tool removes both; only the open password must be entered.
Does unlocking change the content?
No. qpdf only removes the encryption. Pages, text, images, links, bookmarks, form fields and metadata stay the same, and the file size usually changes only a little. A certificate-based digital signature in the file will show as invalid, because the bytes of the file change.
Herramientas relacionadas
- Recortar PDFRecorta los márgenes de las páginas de un PDF.
- Extraer páginas de PDFCopia las páginas que elijas en un PDF nuevo.
- Aplanar PDFAplana los campos de formulario y las anotaciones para que el PDF se vea igual en todas partes y no se pueda editar.
- Unir PDFCombina varios archivos PDF en uno solo, en el orden que elijas.
- Eliminar páginas de PDFElimina de un PDF las páginas que no necesitas.
- Dividir PDFDivide un PDF en páginas sueltas o en los rangos que elijas.
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