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Free 7-day trial. Choose the plan you need and try it risk-free.
Honest pricing for full-featured plans. airSlate SignNow offers subscription plans with no overages or hidden fees at renewal.
Enterprise-grade security. airSlate SignNow helps you comply with global security standards.
Place electronic signatures and send records in moments instead of hours. Our eSignatures have the identical legal power as wet-ink ones.
Take advantage of the signature tips function and improve your files without any concerns about the safety of your information.
Modify existing forms and save changes, and airSlate SignNow will immediately inform your entire crew that there are updated templates.
Place fillable areas, create or collect electronic signatures, get supplementary documents and payments, and discover different ways to boost your workflows.
Use airSlate SignNow API, the easiest way to create and collect eSignatures. Do so within your CRM systems, on your website, or even in specific apps.
Generate a public link for your template and collect signatures while not having to directly send your document to specific consumer email addresses.
Guía rápida sobre cómo agregar una firma digital a un PDF
La solución de firma electrónica airSlate SignNow está aquí para sustituir tu firma manuscrita y agilizar casi cualquier procedimiento manual basado en papel. Firmar documentos electrónicamente ahorra tiempo, reduce gastos y te ofrece la agilidad para firmar contratos y formularios comerciales desde cualquier lugar y en cualquier momento, en cualquier sistema. Sigue leyendo para aprender la mejor manera de comenzar a mejorar tus flujos de trabajo de aprobación y firmar y enviar documentos para su firma electrónicamente.
Completa los siguientes pasos a continuación para aprender cómo agregar una firma digital a un PDF:
- Abre tu navegador y accede a signnow.com.
- Únete a una prueba gratuita o inicia sesión usando tu correo electrónico o credenciales de Google/Facebook.
- Haz clic en Avatar de Usuario -> Mi Cuenta en la parte superior derecha de la página.
- Personaliza tu Perfil de Usuario con tus datos personales y ajustando configuraciones.
- Crea y gestiona tu(s) Firma(s) Predeterminada(s).
- Regresa a la página del panel de control.
- Pasa el cursor sobre el botón Subir y Crear y elige la opción adecuada.
- Haz clic en el botón Preparar y Enviar junto al nombre del documento.
- Ingresa la dirección de correo electrónico y el nombre de todos los firmantes en el cuadro emergente que se abre.
- Utiliza la opción Comenzar a agregar campos para proceder a editar el archivo y firmarlo tú mismo.
- Haz clic en GUARDAR E INVITAR cuando hayas terminado.
- Continúa afinando tu flujo de trabajo de firma electrónica utilizando más funciones.
No puede ser más simple aprender cómo agregar una firma digital a un PDF que con airSlate SignNow. Crea tu perfil, edita y firma plantillas, solicita firmas y rastrea cada acción realizada en tus documentos.
How it works
What is a digital signature for a PDF?
A digital signature for a PDF is a secure, electronic way to sign documents, ensuring authenticity and integrity. It uses cryptographic techniques to provide a unique identifier for the signer, linking them to the document in a way that is verifiable. This method is widely accepted in legal and business contexts, making it a reliable choice for signing contracts, agreements, and various forms. Digital signatures help streamline workflows by allowing users to sign documents electronically, eliminating the need for paper-based processes.
Steps to add a digital signature to a PDF
Adding a digital signature to a PDF using airSlate SignNow is straightforward. Follow these steps:
- Upload the PDF document to airSlate SignNow.
- Select the area where you want to place your signature.
- Choose to create a new signature or use an existing one.
- Adjust the size and position of your signature as needed.
- Complete any additional fields required in the document.
- Save the signed document, which can then be shared or stored securely.
This process allows for quick and efficient document management, ensuring that all parties can access and sign the document easily.
Legal use of digital signatures in the U.S.
In the United States, digital signatures are legally recognized under the Electronic Signatures in Global and National Commerce (ESIGN) Act and the Uniform Electronic Transactions Act (UETA). These laws establish that electronic signatures hold the same legal weight as traditional handwritten signatures, provided that both parties consent to use electronic means for signing. Businesses and individuals can rely on digital signatures for contracts, agreements, and other formal documents, ensuring compliance with legal standards.
Security & compliance guidelines for digital signatures
When using digital signatures, it is essential to adhere to security and compliance guidelines to protect sensitive information. Key considerations include:
- Use strong encryption methods to secure the signature and the document.
- Ensure that the signing process includes authentication measures, such as two-factor authentication.
- Maintain an audit trail that records all actions taken on the document, including timestamps and signer identities.
- Store signed documents in a secure environment to prevent unauthorized access.
Following these guidelines helps ensure that digital signatures are both secure and legally valid.
Examples of using digital signatures in various contexts
Digital signatures can be applied in numerous scenarios, enhancing efficiency and security. Common examples include:
- Signing employment contracts and onboarding documents.
- Finalizing real estate transactions and lease agreements.
- Approving financial documents, such as loan applications and tax forms.
- Executing legal agreements, including non-disclosure agreements (NDAs) and service contracts.
These examples illustrate the versatility of digital signatures in both personal and professional settings, making them an essential tool for modern document management.
Sending and signing methods for PDFs
With airSlate SignNow, users can send and sign PDFs through various methods, ensuring flexibility and convenience. Options include:
- Web platform: Access airSlate SignNow via a web browser to upload and manage documents.
- Mobile app: Use the airSlate SignNow mobile application to sign documents on the go.
- Email: Send documents directly for signature via email, allowing recipients to sign without needing an account.
These methods cater to different user preferences and workflows, making it easy to manage documents efficiently.
- Best ROI. Our customers achieve an average 7x ROI within the first six months.
- Scales with your use cases. From SMBs to mid-market, airSlate SignNow delivers results for businesses of all sizes.
- Intuitive UI and API. Sign and send documents from your apps in minutes.
Here is a list of the most common customer questions. If you can't find an answer to your question, please don't hesitate to reach out to us.
To add a digital signature to a PDF using airSlate SignNow, simply upload your document to the platform. Then, select the 'Sign' option, choose 'Add Signature,' and follow the prompts to create or upload your signature. Finally, place your signature on the document and save it.
airSlate SignNow offers a variety of features for digital signatures, including customizable signing workflows, templates, and the ability to sign documents from any device. Additionally, it provides secure storage and compliance with eSignature laws, ensuring your documents are legally binding.
Yes, airSlate SignNow offers various pricing plans that cater to different business needs. Each plan includes the ability to add a digital signature to a PDF, along with additional features. You can choose a plan that fits your budget and requirements.
Absolutely! airSlate SignNow integrates seamlessly with various applications, including Google Drive, Salesforce, and Microsoft Office. This allows you to streamline your workflow and easily add a digital signature to a PDF from your preferred tools.
Using airSlate SignNow for digital signatures offers numerous benefits, such as increased efficiency, reduced paper usage, and enhanced security. It simplifies the signing process, allowing you to add a digital signature to a PDF quickly and securely, which can save time and resources.
Yes, it is safe to add a digital signature to a PDF with airSlate SignNow. The platform employs advanced encryption and security measures to protect your documents and personal information. You can trust that your signatures and data are secure.
Yes, airSlate SignNow allows you to add multiple digital signatures to a single PDF document. This feature is particularly useful for documents that require approval from multiple parties, making it easy to manage the signing process efficiently.
airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific.

Todo su negocio gana con software de firma electrónica. Genere una firma electrónica única e impulse los flujos de trabajo de sus documentos.
Open PDF, click Tools, Prepare Form, Add digital signature, then drag a box to place the signature. Name the field and save.
Open the PDF you want to have signed. 2. Click Send for Signature in the right panel or choose Tools > Send for Signature. 3. To add more documents, click ...
Follow these steps to create a signature block and add your signature to the document. Select TOOLS (you'll find it in the upper left corner) to open the Tools ...






