Firmar y Proteger PDFs

Asegure y garantice la autenticidad de sus PDFs con cifrado moderno, permisos y firmas en unas pocas líneas de código.

Asegure la Autenticidad de Sus Documentos

Firma digital

Firme digitalmente sus PDFs para autenticarlos y proporcionar prueba de autoría o aprobación. Esta función es esencial para documentación legal u oficial.

Aprenda a firmar sus archivos PDF

using IronPdf;
using IronPdf.Signing;
// Cryptographically sign an existing PDF in 1 line of code!
new IronPdf.Signing.PdfSignature("Iron.p12", "123456").SignPdfFile("any.pdf");

using IronPdf;
using IronPdf.Signing;
// Cryptographically sign an existing PDF in 1 line of code!
new IronPdf.Signing.PdfSignature("Iron.p12", "123456").SignPdfFile("any.pdf");

Imports IronPdf
Imports IronPdf.Signing
' Cryptographically sign an existing PDF in 1 line of code!
Call New IronPdf.Signing.PdfSignature("Iron.p12", "123456").SignPdfFile("any.pdf")

Editar y Firmar Historial de Revisiones

Mantenga y edite el historial de revisiones de sus documentos PDF. Haga seguimiento de cambios, aprobaciones y firmas a lo largo del tiempo para una mejor gestión de documentos.

Aprenda a editar y revisar archivos PDF

using IronPdf;
using IronPdf.Rendering;
// Import PDF and enable TrackChanges
PdfDocument pdf = PdfDocument.FromFile("annual_census.pdf", TrackChanges: ChangeTrackingModes.EnableChangeTracking);
// ... Various edits ...
pdf.SignWithFile("/assets/IronSignature.p12", "password", null, IronPdf.Signing.SignaturePermissions.AdditionalSignaturesAndFormFillingAllowed);
PdfDocument pdfWithRevision = pdf.SaveAsRevision();
pdfWithRevision.SaveAs("annual_census_2.pdf");

using IronPdf;
using IronPdf.Rendering;
// Import PDF and enable TrackChanges
PdfDocument pdf = PdfDocument.FromFile("annual_census.pdf", TrackChanges: ChangeTrackingModes.EnableChangeTracking);
// ... Various edits ...
pdf.SignWithFile("/assets/IronSignature.p12", "password", null, IronPdf.Signing.SignaturePermissions.AdditionalSignaturesAndFormFillingAllowed);
PdfDocument pdfWithRevision = pdf.SaveAsRevision();
pdfWithRevision.SaveAs("annual_census_2.pdf");

Imports IronPdf
Imports IronPdf.Rendering
' Import PDF and enable TrackChanges
Dim pdf As PdfDocument = PdfDocument.FromFile("annual_census.pdf", TrackChanges:=ChangeTrackingModes.EnableChangeTracking)
'... Various edits ...
pdf.SignWithFile("/assets/IronSignature.p12", "password", Nothing, IronPdf.Signing.SignaturePermissions.AdditionalSignaturesAndFormFillingAllowed)
Dim pdfWithRevision As PdfDocument = pdf.SaveAsRevision()
pdfWithRevision.SaveAs("annual_census_2.pdf")

Editar Metadatos PDF

Edite los metadatos de sus archivos PDF, como autor, título y tema, para mejorar la organización y búsqueda de documentos.

Aprenda a: editar metadatos

using IronPdf;
using System;

ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Metadata</h1>");
// Access the MetaData class and set the pre-defined metadata properties.
pdf.MetaData.Author = "Iron Software";
pdf.MetaData.CreationDate = DateTime.Today;
pdf.MetaData.Creator = "IronPDF";
pdf.SaveAs("pdf-with-metadata.pdf");

using IronPdf;
using System;

ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Metadata</h1>");
// Access the MetaData class and set the pre-defined metadata properties.
pdf.MetaData.Author = "Iron Software";
pdf.MetaData.CreationDate = DateTime.Today;
pdf.MetaData.Creator = "IronPDF";
pdf.SaveAs("pdf-with-metadata.pdf");

Imports IronPdf
Imports System

Dim renderer As New ChromePdfRenderer()
Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Metadata</h1>")
' Access the MetaData class and set the pre-defined metadata properties.
pdf.MetaData.Author = "Iron Software"
pdf.MetaData.CreationDate = DateTime.Today
pdf.MetaData.Creator = "IronPDF"
pdf.SaveAs("pdf-with-metadata.pdf")

Mejorar con una Gestión Integral de Formularios PDF

Crear Formularios PDF

Cree formularios PDF interactivos con campos rellenables, casillas de verificación, botones de opción y más. Ideal para recopilar información o crear encuestas.

Aprenda a crear formularios PDF

using IronPdf;

// Input and Text Area forms HTML
string FormHtml = @"
<html>
    <body>
        <h2>Editable PDF Form</h2>
        <form>
            First name: <br> <input type='text' name='firstname' value=''> <br>
            Last name: <br> <input type='text' name='lastname' value=''> <br>
            Address: <br> <textarea name='address' rows='4' cols='50'></textarea>
        </form>
    </body>
</html>
";

// Instantiate Renderer
ChromePdfRenderer Renderer = new ChromePdfRenderer();
Renderer.RenderingOptions.CreatePdfFormsFromHtml = true;
Renderer.RenderHtmlAsPdf(FormHtml).SaveAs("textAreaAndInputForm.pdf");

using IronPdf;

// Input and Text Area forms HTML
string FormHtml = @"
<html>
    <body>
        <h2>Editable PDF Form</h2>
        <form>
            First name: <br> <input type='text' name='firstname' value=''> <br>
            Last name: <br> <input type='text' name='lastname' value=''> <br>
            Address: <br> <textarea name='address' rows='4' cols='50'></textarea>
        </form>
    </body>
</html>
";

// Instantiate Renderer
ChromePdfRenderer Renderer = new ChromePdfRenderer();
Renderer.RenderingOptions.CreatePdfFormsFromHtml = true;
Renderer.RenderHtmlAsPdf(FormHtml).SaveAs("textAreaAndInputForm.pdf");

Imports IronPdf

' Input and Text Area forms HTML
Dim FormHtml As String = "
<html>
    <body>
        <h2>Editable PDF Form</h2>
        <form>
            First name: <br> <input type='text' name='firstname' value=''> <br>
            Last name: <br> <input type='text' name='lastname' value=''> <br>
            Address: <br> <textarea name='address' rows='4' cols='50'></textarea>
        </form>
    </body>
</html>
"

' Instantiate Renderer
Dim Renderer As New ChromePdfRenderer()
Renderer.RenderingOptions.CreatePdfFormsFromHtml = True
Renderer.RenderHtmlAsPdf(FormHtml).SaveAs("textAreaAndInputForm.pdf")

Rellenar y Editar Formularios

Rellene y edite formularios PDF existentes con facilidad. Modifique campos de formulario, actualice contenido y guarde cambios para una gestión de documentos fluida.

Aprenda a: completar y editar formularios

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("textAreaAndInputForm.pdf");

// Set text input form values
pdf.Form.FindFormField("firstname").Value = "John";
pdf.Form.FindFormField("lastname").Value = "Smith";

// Set text area form values
pdf.Form.FindFormField("address").Value = "Iron Software LLC\r\n205 N. Michigan Ave.";

pdf.SaveAs("textAreaAndInputFormEdited.pdf");

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("textAreaAndInputForm.pdf");

// Set text input form values
pdf.Form.FindFormField("firstname").Value = "John";
pdf.Form.FindFormField("lastname").Value = "Smith";

// Set text area form values
pdf.Form.FindFormField("address").Value = "Iron Software LLC\r\n205 N. Michigan Ave.";

pdf.SaveAs("textAreaAndInputFormEdited.pdf");

Imports IronPdf

Dim pdf As PdfDocument = PdfDocument.FromFile("textAreaAndInputForm.pdf")

' Set text input form values
pdf.Form.FindFormField("firstname").Value = "John"
pdf.Form.FindFormField("lastname").Value = "Smith"

' Set text area form values
pdf.Form.FindFormField("address").Value = "Iron Software LLC" & vbCrLf & "205 N. Michigan Ave."

pdf.SaveAs("textAreaAndInputFormEdited.pdf")

Aplanar Campos de Formulario

Aplane los campos de formulario para bloquear los datos ingresados y evitar ediciones futuras, asegurando la integridad del contenido del formulario.

Aprenda a: aplanar campos de formulario

using IronPdf;

// Select the desired PDF File
PdfDocument pdf = PdfDocument.FromFile("textAreaAndInputFormEdited.pdf");

// Flatten the pdf
pdf.Flatten();

// Save as a new file
pdf.SaveAs("after_flatten.pdf");

using IronPdf;

// Select the desired PDF File
PdfDocument pdf = PdfDocument.FromFile("textAreaAndInputFormEdited.pdf");

// Flatten the pdf
pdf.Flatten();

// Save as a new file
pdf.SaveAs("after_flatten.pdf");

Imports IronPdf

' Select the desired PDF File
Dim pdf As PdfDocument = PdfDocument.FromFile("textAreaAndInputFormEdited.pdf")

' Flatten the pdf
pdf.Flatten()

' Save as a new file
pdf.SaveAs("after_flatten.pdf")

Asegure la Seguridad de Su Documentación

Sanitizar PDFs

Sanitice sus PDFs eliminando metadatos ocultos, contenido sensible y comentarios para proteger la confidencialidad y seguridad de su documento.

Aprenda a desinfectar archivos PDF

using IronPdf;

// Import PDF document
PdfDocument pdf = PdfDocument.FromFile("sample.pdf");

// Sanitize with Bitmap
PdfDocument sanitizeWithBitmap = Cleaner.SanitizeWithBitmap(pdf);

// Sanitize with SVG
PdfDocument sanitizeWithSvg = Cleaner.SanitizeWithSvg(pdf);

// Export PDFs
sanitizeWithBitmap.SaveAs("sanitizeWithBitmap.pdf");
sanitizeWithSvg.SaveAs("sanitizeWithSvg.pdf");

using IronPdf;

// Import PDF document
PdfDocument pdf = PdfDocument.FromFile("sample.pdf");

// Sanitize with Bitmap
PdfDocument sanitizeWithBitmap = Cleaner.SanitizeWithBitmap(pdf);

// Sanitize with SVG
PdfDocument sanitizeWithSvg = Cleaner.SanitizeWithSvg(pdf);

// Export PDFs
sanitizeWithBitmap.SaveAs("sanitizeWithBitmap.pdf");
sanitizeWithSvg.SaveAs("sanitizeWithSvg.pdf");

Imports IronPdf

' Import PDF document
Dim pdf As PdfDocument = PdfDocument.FromFile("sample.pdf")

' Sanitize with Bitmap
Dim sanitizeWithBitmap As PdfDocument = Cleaner.SanitizeWithBitmap(pdf)

' Sanitize with SVG
Dim sanitizeWithSvg As PdfDocument = Cleaner.SanitizeWithSvg(pdf)

' Export PDFs
sanitizeWithBitmap.SaveAs("sanitizeWithBitmap.pdf")
sanitizeWithSvg.SaveAs("sanitizeWithSvg.pdf")

Establecer Contraseña y Permisos

Establezca contraseñas y permisos en sus PDFs para controlar el acceso, prevenir ediciones no autorizadas y proteger información sensible.

Aprenda a establecer permisos de archivos PDF

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Secret Information:</h1> Hello World");

// Password to edit the pdf
pdf.SecuritySettings.OwnerPassword = "123password";

// Password to open the pdf
pdf.SecuritySettings.UserPassword = "password123";
pdf.SaveAs("protected.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Secret Information:</h1> Hello World");

// Password to edit the pdf
pdf.SecuritySettings.OwnerPassword = "123password";

// Password to open the pdf
pdf.SecuritySettings.UserPassword = "password123";
pdf.SaveAs("protected.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Secret Information:</h1> Hello World")

' Password to edit the pdf
pdf.SecuritySettings.OwnerPassword = "123password"

' Password to open the pdf
pdf.SecuritySettings.UserPassword = "password123"
pdf.SaveAs("protected.pdf")