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Create interactive PDF forms
Create fillable PDF forms with text fields, check boxes, drop-down lists, and other supported form controls. Use this feature to collect structured data through standardized digital forms.
Populate forms with data
Automatically fill PDF, Word, and Excel forms using data from databases, APIs, CRM platforms, and other business applications. Use this feature to generate accurate prefilled documents.


Extract data from submitted forms
Extract form field values from PDF, Word, and Excel forms and use that extracted data in databases, business applications, and automated workflows. Use this feature when form data must be validated, stored, or integrated into business systems.
Form processing libraries
Choose the right document library
Select the library that matches your application’s document format and processing needs. Use PDF, Word, or Excel independently for focused requirements, or combine multiple libraries to build complete document solutions within one SDK.
PDF library
Create, fill, extract, validate, and manage PDF forms programmatically. Use it when applications require form-driven workflows and collect structured data digitally.
Framework: .NET · Flutter · JavaScript
Word library
Create editable document templates with form fields and content controls to support guided data entry and standardized business document workflows across organizations.
Frequently Asked Questions
Can the .NET Document SDK create forms without Microsoft Office or Adobe Acrobat?
Yes. The Document SDK works directly with PDF, Word, and Excel formats using managed .NET libraries. Form creation, population, extraction, and validation run entirely in application code without requiring Microsoft Office or Adobe Acrobat to be installed on the server.
What types of form fields can I create with the Document SDK?
Document SDK supports interactive form fields in PDF, Word, and Excel documents. Create text boxes, check boxes, drop-downs, radio buttons, signature fields, and other controls for efficient data collection and validation.
Can I automate Document SDK form workflows in .NET applications?
Yes. You can automatically create, fill, extract, and process PDF, Word, and Excel forms as part of document workflows, business applications, and backend services using the supported APIs.
Can the .NET Document SDK prefill existing forms with data from a business system?
Yes. Existing PDF, Word, and Excel forms can be loaded and populated programmatically. Field values can originate from CRM, ERP, SaaS, database, or API sources, making outbound document workflows such as prefilled applications, policy documents, and account-opening forms repeatable and reliable.
Can I convert Word form fields into editable PDF form fields during Word-to-PDF conversion?
Yes. The Document SDK can preserve Word form fields as editable PDF form fields during Word-to-PDF conversion. This allows you to create forms in Word and generate fillable PDF documents while retaining interactive form fields for data entry.
Does Document SDK form processing work on Linux, Docker, and cloud environments?
Yes. Document SDK form processing runs across Windows, Linux, and macOS environments. It supports Docker and major cloud platforms without requiring desktop software installation.
Resources
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