PDF Form Library for iOS

PSPDFKit for iOS is a library for filling, reading, creating, and editing PDF AcroForms. It offers developers an API for programmatic access to PDF form objects, as well as a beautiful UI for form filling.

PSPDFKit SDKs are deployed in some of the world’s most popular applications, such as those made by PlanGrid, Disney, DocuSign, Dropbox, IBM, and Lufthansa.

Key Capabilities

  • Fill forms — With the UI or programmatically

  • Capture form data — Export, submit, or embed into the PDF

  • Creation — APIs to generate forms and fields from scratch

  • Appearance — Style colors, backgrounds, borders, and widths

  • Validation — Execute JavaScript to validate form data

  • Form events — Trigger workflows or automations

  • Extendable — Add signing, annotation, editing, and more

Guides for Forms

What Are Forms? Learn about the basics of PDF forms

Supported Form Fields Learn about the types of form fields supported by PSPDFKit

Form Data Formats Learn about using external files to manage form data

Programmatic Form Fill How to query and modify form objects

Fill Form Fields Using the UI Learn about the form fill capabilities of the built-in UI

Attach a File to a PDF How to attach a file to a PDF as a file annotation

Add an Image to a PDF How to configure the image picker for adding an image annotation

Undo and Redo Learn about the undo and redo functionality for forms

Detect User Form Field Input How to listen for user input in forms

Extract Form Data How to extract form field values present in a PDF document

Submit or Save Form Data to PSPDFKit Server How to submit or save form data to the optional PSPDFKit Server

Submit or Save Form Data to an External Destination How to submit or save form data to an external source

Submit or Save Form Data to a Custom Destination How to submit or save form data to custom destination

Embed Form Data into a PDF How to embed form data into a PDF document

Form Object Model How to use the Annotation and FormElement classes

Create a Fillable Form How to programmatically create a fillable PDF form

Add a Signature Field How to add a signature form field to a PDF document

Edit Form Fields How to update a form field or widget annotation

Form Field Flags How to configure form behavior and capabilities

Disable Form Editing How to disable the modification of element types

Flatten Forms How to flatten forms and burn them into the PDF

PDF Actions Support Learn about the PDF actions supported by PSPDFKit

JavaScript Validation How to validate form field values using JavaScript

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