Explore the Advanced Features PDF API
Each main feature demo link listed below contains several demos that show how to use a particular feature. Click a link to learn more.
PDF Viewer and Editor
View PDF documents in a fast, modern JavaScript-based PDF viewer and editor that works in all major browsers.
Graphical Signatures
Type, Draw or add Image signatures on PDF documents through the new Signature tool. Save Signatures, customise Signature dialog and more.
Real-time Collaboration
Edit documents in Collaboration mode in GcPdfViewer. Allow multiple people from various geographic locations to edit, comment, change, and add data as necessary.
Customize PDF Viewer UI
Customise different parts of GcPdfViewer, as per your business needs. Customise toolbar item with different svg icon, change viewer theme using CSS styles, Localise viewer in any language and more.
Custom Input
Implement new HTML5 input types with validation to view, fill, and submit forms online using JavaScript and GrapeCity Documents PDF Viewer.
PDF Fillable Forms on Any Device
Customize field labels, fine-tune the input controls' behavior, and add additional input validation, regardless of inline validation or field label information. The responsive design provides compatibility for large and small screen sizes.
Comment and Reply
Review your PDF documents in collaboration with other team members. The editor now includes the Text Annotation Comment and Reply tool to add and review comments, usernames, and comment status.
Designer Features
Copy and paste form fields or annotations on the JavaScript PDF document using the shortcut keys or clone button. PDF Editor also includes snap lines and margins to check alignment.
Annotations Editor
Review and mark important information with annotations. Add, modify, or remove annotations from new or existing PDF documents. Apply annotation properties, comment, reply, hide annotations, and redact PDF documents with the annotation editor.
Form Editor
Create new PDF forms from scratch, collect data directly into the PDF form, fill in data from external sources, modify form fields from new or existing PDF documents, or add JavaScript functionality to PDF forms.
Link Annotations
Add Link annotation over existing text, image, area in the PDF document . Set URL, Destination, Action or a JS Action type link over the PDF document or other annotation.
Stamp Annotation
Add image on PDF Documents through the new Stamp annotation. You can also drag/drop image from a local folder or remote url.
Optional Content Layers
The new Layers panel lists the layers in the currently loaded PDF and enables users to hide or show individual layers.
View and navigate through PDF Tags
View the tags available in the PDF file in the new Structure tree panel of GcPdfViewer, as well as navigate through those tags
Navigate through history
PDF link annotations of type 'Action' will now allow go forward/go backward, as per the view history of the Viewer, similar to browsers' go back/forward actions.
XFA Support
View and print XFA forms in GcPdfViewer.
Annotation Rotation
Rotate Stamp Annotations to any degree using free hand rotation on the UI or through Rotate property in property panel.
Form Field Orientation
Customise the Orientation property of Form Fields as per the rotated document
Sticky Behavior
Make certain edit buttons sticky so that the operation can be repeated multiple times without clicking the button again.
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