Cómo usar: Sign PDF
- Drop the PDF you need to sign.
- Draw, type or upload your signature.
- Go to the right page and click where the signature goes; drag it into place and set the size. Add the date if needed.
- Click Download signed PDF.
Sign without printing or uploading
Most “free” e-sign services upload your contract to their servers and ask you to create an account. This tool works entirely in your browser: the PDF and your signature never leave your device. Your signature is added to the page as an image, the way a signed-and-scanned page would look, and the rest of the PDF — text, links, forms — stays as it was.
Is it legally binding?
In many countries (including under the US ESIGN Act and the EU eIDAS regulation) an electronic signature placed with the intent to sign is valid for most everyday agreements. Some documents — and some institutions — require a certified digital signature with an identity check instead. If in doubt, ask whoever requested the signature.
Private by design
Most online PDF services upload your document to their servers. This tool processes the file entirely in your browser with open-source libraries (pdf-lib and PDF.js), so contracts, invoices, bank statements and IDs never leave your device. It works offline once the page has loaded, and there are no file-count limits, watermarks or sign-ups.
Need to fill in text too? Use Add Watermark to PDF for stamps like “APPROVED”, and Protect PDF to lock the signed copy with a password.
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Herramientas que combinan con: Sign PDF
- Combinar archivos PDF — Combina varios archivos PDF en un solo documento.
- De JPG a PDF — Convierte fotos, escaneos y capturas de pantalla en un único PDF.
- De PDF a Word — Convierte un PDF en un archivo de Word editable.
- Escáner de tarjetas de identificación — Haz una foto o sube el anverso y el reverso de tu DNI, carné de conducir, permiso de residencia o tarjeta bancaria; arrastra las esquinas para enderezar cada lado y colócalos ambos en una hoja de tamaño A4 o Letter a tamaño real, listos para imprimir o guardar como PDF.